Top Software Testing Companies in the UK

Irrespective of how good your product is, it can fail in the absence of effective QA testing. Software testing companies in the United Kingdom will follow all the procedures and protocols to ensure that your product doesn't fail in the market. Hire from this list of the top QA testers in the UK for the best results.

Here are the Top Software Testing Companies in the United Kingdom

GenSoft

GenSoft

GenSoft - Your Strategic Partner in Quality
GenSoft is a full-cycle QA agency that helps digital teams ship better products through structured, end-to-end quality assurance. We work with companies that want to strengthen quality, reduce costly production issues, and make releases more predictable.We cover a wide range of testing services depending on the productโ€™s needs, including functional, regression, exploratory, API, usability, web, mobile, and end-to-end testing, as well as test automation support. Whether a client needs ongoing QA coverage, help organizing a testing process, or support with building automation from scratch, we focus on practical solutions that bring visible results.At GenSoft, we believe quality is not only about testing at the end. It is about building the right process, improving visibility, and helping teams identify risks earlier. That is why we combine hands-on QA work with a proactive, product-minded approach. ... Read more
Services
  • Testing Services
Focus in
  • Automation Testing
  • Manual Testing
  • Performance Testing
  • Smoke Testing
  • A/B Testing
  • $25 - $49

  • 10 - 49

  • 2025

  • London, United Kingdom
Testmatick

Testmatick

Quality is never too much
TestMatick is a leading provider of top quality software testing services. The company was founded in 2009 and headquartered in New York, USA. Our strong team of testers can start testing your project of any complexity within 24 hours.
Services
  • Testing Services
Focus in
  • Manual Testing
  • Interface Testing
  • Automation Testing
  • QA Testing
  • Unit Testing
  • NA

  • 50 - 249

  • 2009

  • London, United Kingdom
QA Madness

QA Madness

Skilled, savvy, sane
QA Madness is a full-cycle quality engineering provider for digital products, delivering QA audit and strategy, manual testing, test automation, and ongoing quality maintenance. We test web, mobile, desktop, API, accessibility, performance, security, and AI systems for SaaS, FinTech, HealthTech, e-commerce, logistics, and other complex products. Every engagement is delivered by 100% Middle and Senior QA engineers who integrate with internal teams and use AI-assisted workflows where they add value. QA Madness is an ISTQB Silver Partner and ISO/IEC 27001:2022 certified. ... Read more
Services
  • Testing Services
Focus in
  • Manual Testing
  • Automation Testing
  • QA Testing
  • Application Security Testing
  • $25 - $49

  • 50 - 249

  • 2013

  • London, United Kingdom
Persol Cross Technology Vietnam

Persol Cross Technology Vietnam

IT company that embodies Work and Smile.
PERSOL CROSS TECHNOLOGY VIETNAM We aim to be an IT company where each and every employee embraces our group culture of “Work and Smile”. By Leveraging technology, we create innovative solutions through the synergy of various cultures & lifestyles and contribute to the growth and wellbeing of people & society of the world, all starting from the heart of Asia. WHAT WE EXCEL AT:  As a leading technology branch, we deliver high-quality, cost-effective, and secure software solutions tailored for Mid-Market & Enterprise clients globally, specializing in:  * Software & Web Development: Enterprise management systems, custom Web/Mobile Apps built with modern tech stacks (React, PHP/Laravel, .NET/C#, Java, Vue.js, Flutter).  * End-to-End Testing Services: Deep domain expertise in Manual and Automation Testing, ensuring zero-downtime and high data integrity.  * Cloud & Infrastructure: Advanced system design, maintenance, and optimization on AWS and Microsoft Azure. OUR PROVEN TRACK RECORD:  We are recognized by global clients as a proactive, transparent, and problem-solving tech partner. Our breakthrough successes include:  * Seamless Database & ATS/CRM Migrations: Successfully migrated complex legacy databases into modern instances (e.g., Bullhorn ATS) for international corporations like Persol APAC and Exclaim IT.  * Enterprise Workflow Automation: Deployed advanced RPA (Robotic Process Automation) and customized cost-effective pricing modules that slashed manual errors and boosted delivery speeds.    PERSOL GROUP PERSOL Group consists of over 150 companies operating within domestic Japan & overseas, including HR service companies focused on temporary staffing, recruiting, and job advertisements, to tech service companies, specializing in IT outsourcing and design development. Presently, at 710 sites worldwide, PERSOL group endeavors to resolve various employment related challenges, in order to realize the Group's vision of "Creating a social infrastructure for people and organizations that catalyzes growth and innovation." ... Read more
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • Testing Services
  • Cloud Computing Services
Focus in
  • Regression Testing
  • Manual Testing
  • Automation Testing
  • Integration Testing
  • System Testing
  • < $25

  • 50 - 249

  • 2013

  • London, United Kingdom
Ajackus

Ajackus

Ship 10x Faster with AI-Augmented Engineering Teams
Ajackus is a Mumbai-headquartered engineering firm founded in 2011 that delivers technology solutions for enterprises and growth-stage companies across FinTech, PropTech, Healthcare, and Travel. With 14 years of engineering depth and 300+ solutions delivered globally, Ajackus builds embedded technology teams that understand clients' industries — not just their codebases. Our engineers have been part of founding technology teams at companies like Dotloop (acquired by Zillow for $110M) and Nium (cross-border remittance across 55+ countries), and we serve enterprise clients including Visa, Wells Fargo, Lockheed Martin, VTS, Gulf Oil, Guidehouse, KPMG, and the UN-backed Medicines Patent Pool. Our industry expertise spans FinTech compliance and payment infrastructure, PropTech platforms and automation, Healthcare data systems and regulatory intelligence across 130+ countries, and enterprise safety and GRC. We also operate a dedicated ServiceNow practice delivering multi-module solutions for Fortune 500 companies and federal agencies, including Discovery/CMDB, GRC, SecOps, and GenAI enablement. What sets Ajackus apart is the depth and longevity of our client relationships. Our average engagement spans 5+ years — clients who get acquired keep us, and founders who start new ventures return. Every engineer is a full-time Ajackus employee, vetted through Tacnique, our proprietary assessment platform that has conducted 14,000+ technical interviews across a 200,000+ engineer network. We maintain compliance readiness for GDPR, HIPAA, and PCI DSS, with enterprise-grade security protocols including multilateral NDAs, encrypted infrastructure, and zero subcontracting. Ajackus operates from India (Mumbai HQ), UAE, and USA. Great Place to Work® Certified. Rated 4.9/5 on Clutch across 29 verified reviews. ... Read more
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • Web Design
  • Testing Services
Focus in
  • Manual Testing
  • Automation Testing
  • QA Testing
  • Load Testing
  • Usability Testing
  • $25 - $49

  • 50 - 249

  • 2011

  • Abbeywood, United Kingdom
Softexpoit Pvt. Limited

Softexpoit Pvt. Limited

Global Software, Mobile, Web, Server, AI Development Solutions.
Softexpoit's team of experts combines technical expertise and creativity to develop custom software, mobile app, and web app solutions that meet your specific business/official needs. We understand that every business is different, which is why we offer customized solutions that are designed to meet your specific needs. Whether you're looking to optimize your own business operations/ process/ provide value-added services to your customers or want to launch a successful SaaS-type business, we are here to help. Contact us!   At Softexpoit, we are proud to serve a diverse range of industries with our world-class software/mobile app/web app solutions. Our team of experts is dedicated to delivering outstanding results, and our innovative approach ensures that we are always at the forefront of the latest technology. We provide global coverage and support for all major platforms including Android, iOS, and web. Our real-time server technology guarantees a seamless user experience, and our commitment to delivering bug-free software sets us apart from the competition. We can serve the following industries: Information Technology Financial Services  and Fin-Tech Healthcare Retail Transportation and Logistics Telecommunications Manufacturing Energy and Utilities Government and Public Sector Education and eLearning Media and Entertainment Real Estate Enterprise Section Hospitality and Tourism Food and Beverage Non-Profit Organizations Automotive Insurance Sports and Fitness Construction and Engineering Realtime GPS based Solutions E-Commerce SAAS Solutions On-Demand Service Security Ride Sharing Management Startup Agriculture and Livestock and Many More.....   Choose Softexpoit for your next software/mobile app/web app solution, and experience the difference that comes from working with a world-class team. ... Read more
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • Testing Services
Focus in
  • QA Testing
  • NA

  • 10 - 49

  • 2021

  • London, United Kingdom
Tiksom

Tiksom

Digital Transformation, AI-ML Development, and Product Engineering
Tiksom, headquartered in Manchester, UK, excels in Digital Transformation, AI/ML Development, and Product Engineering, bringing innovation and expertise to the forefront of every project. With over a decade of experience, we've pioneered bespoke solutions in custom web & mobile applications, leveraging cutting-edge technology. Our track record includes empowering numerous Startups with MVPs and delivering SaaS-based products to SMEs and Enterprises. Comprising seasoned developers, designers, analysts, and managers, our team is dedicated to crafting cloud-based software and applications. Harnessing our deep technical and managerial expertise, we breathe life into your business concepts. โ–  DIGITAL TRANSFORMATION Empowering businesses with tailored digital transformation solutions, we enable our clients to navigate the ever-evolving digital landscape with confidence and efficiency. Our expertise ensures seamless integration of cutting-edge technologies, driving innovation and sustainable growth for our partners. โ–  AI/ML DEVELOPMENT Unlock the potential of AI and machine learning with our bespoke development services, tailored to meet your unique business needs. From predictive analytics to intelligent automation, we empower our clients to harness the transformative power of AI for enhanced efficiency and innovation. โ–  PRODUCT ENGINEERING Elevate your product vision with our comprehensive product engineering services, designed to transform ideas into robust, scalable solutions. From conceptualisation to deployment, we partner with you to navigate the entire product lifecycle, delivering innovative and market-ready solutions tailored to your business goals. โ–  OUR PROCESS We adhere to Extreme Programming and Scrum practices, ensuring daily meetings, demos, and retrospectives for increased effectiveness and productivity. You'll have direct access to every team member, keeping you updated on progress at each iteration. ... Read more
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • Web Design
  • E-commerce Development
Focus in
  • QA Testing
  • Selenium
  • $25 - $49

  • 10 - 49

  • 2017

  • Manchester, United Kingdom
FortySeven Software Professionals

FortySeven Software Professionals

Software Professionals
FortySeven Software Professionals (FSSP) is a European based IT consulting, IT outsourcing and full-cycle software development company. Over a decade FSSP helping clients to scale their business operations from startups to Fortune 500 companies. FortySeven has offices in UK, Spain, Latvia and Poland. FortySeven certified with ISO 27001, ISO 9001. FortySeven specializes in software development in regulated markets, providing services for Fortune 500 companies, startups, state oil and gas companies, nuclear power plants, government financial institutes with high responsibility and critical security levels. FortySeven is helping clients to implement industry information security standards and best practices including ISO27001, PCI DSS and beyond. We reveal, transform, accelerate, and optimize the way startups and enterprises do business. ... Read more
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • E-commerce Development
  • Testing Services
Focus in
  • Manual Testing
  • Automation Testing
  • Performance Testing
  • A/B Testing
  • QA Testing
  • $50 - $99

  • 250 - 999

  • 2006

  • London, United Kingdom
QA Mentor

QA Mentor

CMMI appraised, ISO certified Testing Company
Founded in 2010, QA Mentor is a multi-award-winning testing and QA company based in New York. It is CMMI Level 3 SVC + SSD v1.3 appraised ISO 27001:2013, ISO 9001:2015 and ISO 20000-1 certified company. Core QA services provided by them include Manual Test Design & Execution, QA Performance & Capacity Planning, QA Performance Engineering & Optimization, QA Recruitment & Staffing, QA Lab Compatibility, Security Testing Services, iOS App Testing Services, Android Testing Services, etc. ... Read more
Services
  • Testing Services
Focus in
  • Unit Testing
  • Integration Testing
  • Sanity Testing
  • Interface Testing
  • Regression Testing
  • < $25

  • 250 - 999

  • 2010

  • London, United Kingdom
a1qa

a1qa

Software Testing and Quality Assurance Company
Founded in 2003, a1qa is a QA and software testing company . They provide a wide range of testing and quality assurance services to both Fortune 500 enterprises and mid-size organizations worldwide. Their full-cycle testing services include QA consulting, Software lifecycle QA, Managed testing services, Ad-hoc testing, Test automation, Pre-certification testing, Documentation services, Dedicated QA teams, etc. ... Read more
Services
  • Testing Services
Focus in
  • QA Testing
  • Manual Testing
  • Automation Testing
  • Performance Testing
  • Compatibility Testing
  • $25 - $49

  • 1,000 - 9,999

  • 2003

  • London, United Kingdom
IntegraQA

IntegraQA

Helping You Launch Reliable, Bug-Free Websites and Apps with Confidence
IntegraQA is a UK-based software testing and quality assurance company helping businesses launch reliable, high-performing websites and applications with confidence. We specialise in identifying critical issues before release, ensuring your product delivers a seamless user experience across all devices, browsers, and environments. Our approach combines expert manual testing with efficient automation to provide thorough, scalable, and cost-effective QA solutions. Whether you’re preparing for launch, releasing new features, or improving an existing product, IntegraQA acts as a trusted quality partner — providing an independent layer of testing that reduces risk, improves performance, and protects your reputation. Our services include website testing, mobile app testing, regression testing, user acceptance testing (UAT), API testing, and exploratory testing, all tailored to your product and development workflow. We work with startups, SMEs, and growing digital teams, offering flexible QA support without the delays and overhead of scaling internal resources. Our focus is simple: helping you deliver software that works flawlessly — every time. With a UK-based team, clear communication, and structured reporting, IntegraQA ensures you have full visibility over quality at every stage of your release cycle.   ... Read more
Services
  • Testing Services
Focus in
  • Manual Testing
  • Automation Testing
  • $25 - $49

  • 2 - 9

  • 2025

  • Manchester, United Kingdom
Merged Minds

Merged Minds

Professionals with young hearts and open minds
Merged Minds is a software testing service provider, focusing on supporting projects quality assurance using manual and automated test tools.Our experience goes way back to 2006 with the Merged Minds brand founded in 2017.We can support any software projects using our knowledge covering Functional (ad-hoc, browser compatibility, GUI, integration, system, sanity, smoke, interface, regression, happy path, end2end workflow, negative-positive, alpha-beta/acceptance and risk-based) and Non-functional (performance, load,  stress, security, compatibility, install, recovery, reliability, usability and localisation) testing. ... Read more
Services
  • Testing Services
Focus in
  • Manual Testing
  • Automation Testing
  • Smoke Testing
  • Performance Testing
  • A/B Testing
  • < $25

  • 2 - 9

  • 2017

  • Walton on Thames, United Kingdom
Testdel UK LTd.

Testdel UK LTd.

In Quality we believe
TestDel has developed its services for companies wishing to outsource all or a portion of their software quality activities so they may gain testing efficiencies and reduce administrative burdens associated with in-house QA teams. An established and trusted brand with a global presence and network. TestDel delivers Onshore Testing Services, providing our clients with bespoke world-class testing service models coupled with the ability to offshore transition, improving the ROI whilst delivering outstanding results. ... Read more
Services
  • Testing Services
  • IT Services
Focus in
  • Automation Testing
  • Performance Testing
  • QA Testing
  • Integration Testing
  • Load Testing
  • NA

  • 50 - 249

  • 2016

  • London, United Kingdom
Netro Systems Limited

Netro Systems Limited

We develop impactful products
Netro Systems is a software development company led by you as the CEO and co-founder. The company focuses on best-in-class software development and targets markets in the UK, US, and UAE. Netro Systems has developed a diverse range of digital products, including over 20 MVPs, SaaS platforms, apps, and PWAs. The company specializes in building innovative and user-friendly solutions, including: Qurio: An app for young children (pre-play to Class 4) that combines education and entertainment. Flypers: A content-sharing app for wallpapers and ringtones, similar to Zedge. KidsAI: An AI-powered parental control app with unique features to help manage children's activities and emotional well-being. TitanX: An app for a wearable device that uses AI to monitor health and assist users with daily tasks through voice commands. Telzen: A telecom app tailored for Gen Z users, offering a comprehensive suite of features for the demographic. Redeemr: An app designed to help users manage and pay off credit card debt using gamification and expenditure control. Netro Systems is also involved in marketing efforts on platforms like LinkedIn, engaging with individuals who are starting MVPs or SaaS projects. ... Read more
Services
  • Mobile App Development
  • Software Development
  • Web Design
  • Testing Services
  • Maintenance & Support
Focus in
  • A/B Testing
  • Performance Testing
  • Usability Testing
  • Manual Testing
  • QA Testing
  • $50 - $99

  • 10 - 49

  • 2019

  • Glasgow, United Kingdom
Innovecs Supply Chain

Innovecs Supply Chain

Experience Unmatched Supply Chain Optimization
Innovecs Supply Chain Practice, a division of global tech powerhouse Innovecs, brings revolutionary approaches to Warehousing Management Systems (WMS). From R&D centers located in EMEA region to business sites and team distribution hubs across Europe and the US, our seasoned team of specialists are committed to tailoring WMS solutions that ensure scalability, enhanced productivity, and optimal inventory management. Navigating the vast logistics landscape, we specialize in system integration, future-proofed strategies, and meticulous configurations. Whether establishing new systems or upgrading current ones, we adapt to the ever-evolving demands of the sector. Our belief lies in genuine partnerships. Emphasizing mutual respect and open dialogue, we don't just deliver solutions—we create lasting innovations. Choose Innovecs, and gain more than a provider: secure a partner dedicated to elevating your logistics endeavors, with a promise of quality, timeliness, and budget fidelity. ... Read more
Services
  • Mobile App Development
  • Software Development
  • Web Design
  • Testing Services
  • Cloud Computing Services
Focus in
  • QA Testing
  • Manual Testing
  • Automation Testing
  • NA

  • 250 - 999

  • 2011

  • London, United Kingdom
Artilab

Artilab

Leading experts in WordPress web development
๐Ÿ“ฉGet a FREE CONSULTATION OR WEBSITE AUDIT and find out how our WordPress development services can help you achieve your business goals! Just write us: [email protected]  Artilab is the go-to custom WordPress development company and is loved by clients.  We create high-quality, marketing-ready websites, allowing our clients to focus on their business goals without worrying about the technical side of the business.   With over 120+ completed web development projects on WordPress, we can create top-notch websites for our clients. Over the years of website development, 90% of our clients have stayed with Artilab for technical support, and another 85% have returned to us with new projects. Our mission is to be the web experts for your online business:  ๐ŸŸข 10+ years of team’s experience in web development.  ๐ŸŸข 3+ Years of average duration of cooperation ๐ŸŸข Green zone of Google Page Speed  ๐ŸŸข We are trusted by USAID, Dewalt, Fintech Harbor, Sequoia, Dollet, and many others industry leaders. Our WordPress development services include Custom WordPress development Development of custom WordPress plugins UI/UX design for WordPress websites  Website speed optimization and performance improvements Ongoing technical support and WordPress maintenance services Website security enhancements Technical SEO implementation and optimization  ... Read more
Services
  • Web Development
  • Web Design
  • E-commerce Development
  • Testing Services
  • Maintenance & Support
Focus in
  • Manual Testing
  • Automation Testing
  • Performance Testing
  • A/B Testing
  • Usability Testing
  • $25 - $49

  • 10 - 49

  • 2019

  • London, United Kingdom
Aegasis Labs

Aegasis Labs

Driving business impact with software and AI
Aegasis Labs is a software development company that provides a range of services related to data engineering, cloud engineering, data science, and machine learning. The company aims to help businesses increase their revenue and improve their bottom line through the development of custom solutions. With a team of experienced professionals in these fields, Aegasis Labs is well-equipped to handle a wide range of projects and challenges faced by businesses. Whether you need to build a data pipeline, migrate to the cloud, or develop machine learning models, Aegasis Labs has the expertise and resources to help you achieve your goals.   ... Read more
Services
  • Web Development
  • Software Development
  • Testing Services
  • Big Data & BI
  • Cloud Computing Services
Focus in
  • Automation Testing
  • QA Testing
  • $50 - $99

  • 10 - 49

  • 2020

  • London, United Kingdom
Kazma Technology

Kazma Technology

Trusted Technology Partner
Founded in 20th century, Kazma Technology commenced business as a website development. At the time the Web was still in its infancy, and Kazma’s early work focused on CMS and ecommerce installations predominantly for business. As the Web developed, Kazma leveraged its close ties with different companies and quickly gained a reputation for using emerging technologies to build complex enterprise-level solutions and today we are an independent company. Smartphone adoption grew rapidly in 2008/2009 and by early 2011, the business had rebranded as Kazma Technology with the intention of focusing entirely on mobile development and building E commerce application. Our team lives and breathes mobile, and we're excited to be a part of the biggest technology shift since the adoption of the PC. Why choose us? When you work with Kazma Technology, you'll deal with the people who are actually building your solution. There's no middle-man, and no project management “firewall”. Our agile, test-driven development process is completely transparent. This open approach lets us deliver intelligent mobile solutions swiftly and cost-effectively to every one of our clients. Our team has the technical expertise to work with clients' existing data, no matter how it's captured or stored. And we have the business sense to anticipate the needs of our clients and their customers. That's how we create mobile solutions that deliver real results. Our team has adapted many successful methodologies to manage projects lifecycle, technical aspects of our team includes Photoshop, HTML, CSS, .NET technologies, AJAX, jQuery. Vision & Mission       ... Read more
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • Web Design
  • E-commerce Development
Focus in
  • Manual Testing
  • Automation Testing
  • Performance Testing
  • Load Testing
  • Usability Testing
  • < $25

  • 10 - 49

  • 2012

  • London, United Kingdom
Four Ages Software

Four Ages Software

Custom Software Development
Four Ages provides comprehensive software development solutions tailored to clients' varied business requirements and tech goals of different complexity. Tech stack: Back-end - JavaScript, PHP, Python, Java, Ruby on Rails, C/C++, .Net, Node JS Front-end - React JS, Angular, Vue Mobile - iOS, Android, Flutter, React Native Databases - MongoDB, PostgreSQL, MySql, AWS DynamoDB, Firebase, Couchbase Cloud - AWS, MS Azure, GCP Contact us via https://four-ages.com/contact-us ... Read more
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • E-commerce Development
  • Testing Services
Focus in
  • Manual Testing
  • Automation Testing
  • Load Testing
  • $25 - $49

  • 10 - 49

  • 2016

  • London, United Kingdom
Teceze Ltd

Teceze Ltd

Managed IT Services and Cybersecurity Services
TECEZE offers a full spectrum of Information Technology services. reliable managed IT service provider that offers a wide array of solution strategies for optimizing the IT operations of business enterprises with enhanced excellence. At TECEZE, we integrate the latest emerging technologies with our performance-oriented methodologies to deploy a comprehensive IT architecture tailored to your business needs. Our full-circle IT support services are designed to be innovative and future-proof.   ... Read more
Services
  • Mobile App Development
  • Software Development
  • Web Design
  • Testing Services
  • Maintenance & Support
Focus in
  • Manual Testing
  • Automation Testing
  • Performance Testing
  • A/B Testing
  • $50 - $99

  • 50 - 249

  • 2012

  • London, United Kingdom
Bladeware

Bladeware

We automate workflows for healthcare practices
Bladeware builds & fixes healthcare software. We always start with an audit.For health-tech startups that's the tech - security, HIPAA, how production-ready an AI-built app is to handle patient data.For specialty and cash-pay practices - it's operations: where workflows leak time and money. Then we fix it with whatever fits better: automations, integrations between the tools you already have, custom software - sometimes just advice, not everything needs to be built.WHAT WE DOSafety & HIPAA audits of AI-built health apps - bring your vibe-coded app to productionWorkflow automation for cash-pay practicesPatient portals and EMR/EHR integrations (Cerbo, Athena, DrChrono, Healthie and others)Custom healthcare software - from MVP to production-readySTANDARDSHIPAA, HITECH, PIPEDA, GDPR, PDPA.  ... Read more
Services
  • Mobile App Development
  • Software Development
  • Testing Services
Focus in
  • Manual Testing
  • QA Testing
  • Unit Testing
  • Integration Testing
  • Regression Testing
  • $25 - $49

  • 10 - 49

  • 2018

  • London, United Kingdom
Gearheart

Gearheart

ENTERPRISE B2B SAAS PRODUCT STUDIO
Gearheart is a product development studio specializing in operational workflow-heavy B2B SaaS platforms  โ€” the kind where permissions, data isolation, and workflow logic determine whether the product actually holds up at enterprise scale.We engage at the start of a build, or when a product has outgrown its early architecture: when roles multiply, new features require touching everything, or an SMB tool needs to move upmarket and suddenly requires audit trails, compliance readiness, and data segregation.14 years, 80+ products shipped. Strongest track record in GRC/Compliance SaaS, HR/Payroll SaaS, Workflow Automation, Low-Code / No-Code Platforms, Legacy App Modernization, AI Integration in B2B SaaS:SmartSuite (Work Operating System) โ†’  Built from scratch. 7M+ users, $1.2M ARR in 4 weeks post-launch, $38M raised. Used by companies like Capital OneGloballi (HR and payroll platform) โ†’ Enterprise compliance logic across 125+ countries, built from the ground up, $10M+ raised.WHAT WE HELP WITH: Permission and access control architecture that scales.Multi-tenant data models built for growth from day one.Workflow engines that handle enterprise-level complexity.Adding an enterprise layer to products moving upmarket. AI readiness โ€” clean data foundations that make AI features actually buildable.HOW WE ENGAGE: Custom Software Development: Full-cycle product development, from architecture decisions to production deployment.Embedded Engineers: Senior engineers who plug into your team and work as part of it.QA Systems & Test Automation: End-to-end quality assurance built into the process, not bolted on after.Architecture Advisory: CTO-level guidance on data models, permissions, and system design.DevOps & Infra Checkup: Audit and optimization of your infrastructure, deployment pipelines, and cloud setup. ... Read more
Services
  • Web Development
  • Software Development
  • Testing Services
  • IT Services
  • Artificial Intelligence
Focus in
  • Manual Testing
  • Automation Testing
  • $50 - $99

  • 10 - 49

  • 2012

  • London, United Kingdom
ESTENX

ESTENX

Custom software development
We create great mobile and web apps using the latest technologies focused on building elegant and functional products. What sets us apart is our can-do attitude about every project we take up. We are a bright team of 20+ developers, designers, analysts, and QA engineers who don’t just build apps but also innovate the way business people think.    
Services
  • Mobile App Development
  • Software Development
  • Web Design
  • Testing Services
  • Blockchain Development
Focus in
  • Manual Testing
  • Automation Testing
  • $50 - $99

  • 10 - 49

  • 2022

  • London, United Kingdom
Appsynergies

Appsynergies

Appsynergies a fast-growing SaaS-based start-up
AppSynergies is a fast-growing SaaS-based start-up with a very talented and rapidly expanding team. We develop cutting-edge AI-driven Social, FinTech, PropTech & EdTech Apps.  We aspire to create a happy and productive workplace for our employees, that embodies respect and transparency in every part of the organization.  We put value at the heart of our process & focus on what's important to our users. This way, we can prove the value of our app idea before we begin development. We then build on this mobile strategy through discovery, design, development and optimization. ... Read more
Services
  • Mobile App Development
  • Web Development
  • E-commerce Development
  • Testing Services
  • Maintenance & Support
Focus in
  • Manual Testing
  • Automation Testing
  • Performance Testing
  • A/B Testing
  • NA

  • 10 - 49

  • 2019

  • Harrow Weald, United Kingdom
StairwaySoft

StairwaySoft

Your dedicated R&D engineering team, built to accelerate your tech roadmap
StairwaySoft is a global engineering provider of innovative software development services with a team of expert engineers. We service various businesses internationally to create solutions and help companies achieve their technology goals. We build software solutions through an ever-expanding UNIQUE HYBRID of Eastern European, Middle East and Central Asia Engineering matched with Israeli Innovation ... Read more
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • Web Design
  • E-commerce Development
Focus in
  • QA Testing
  • Acceptance Testing
  • Stress Testing
  • Volume Testing
  • Compatibility Testing
  • $25 - $49

  • 10 - 49

  • 2012

  • Kington, United Kingdom
Krify UK Limited

Krify UK Limited

Passionate to create value
Krify is a bespoke mobile applications and software services provider based in UK, USA and India. Creating value for our clients is our passion and software technology is our forte. Our core competency includes Mobile App(Android, iOS, and Flutter), Web, Wearable app development and Digital marketing services. Krify extends its services into quality testing, content development, PR, SEO, and many more. ... Read more
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • Web Design
  • E-commerce Development
Focus in
  • Manual Testing
  • < $25

  • 50 - 249

  • 2005

  • London, United Kingdom
Pearl Lemon Web

Pearl Lemon Web

For When Life Gives You...
Pearl Lemon Web Offers Full Service Website Design And Development. Get a website that’s as unique as your company. No more generic, cookie cutter templates. The Pearl Lemon Web team makes sure they understand a business' brand image, and brand goals, before they begin work and keep it top of mind every step of the way. Our Creative and Tech teams work together at Pearl Lemon Web to ensure a seamless web design product. That's essential because every element of your new website needs to function well and look great, and only this kind of team work can make sure that's the case. Cutting-edge technology that ensures your website will keep up with changing web trends without another major overhaul. The websites we create are easy to update and even easy to tweak if the need arises. Pearl Lemon designers are backed by a full service marketing team who can launch your new website to make the impressive market impact you’re looking for. Whether you’re an ecommerce store, brick-and-mortar business, or service provider of any kind, our designers can create the webpages that your company needs to reach, inform, and convert your target audience while As a part of an award-winning full-service digital marketing agency, we also offer SEO, lead generation and many other digital marketing marketing services to enhance your strategy and your company's overall brand. ... Read more
Services
  • Mobile App Development
  • Web Development
  • Testing Services
  • Maintenance & Support
  • IT Services
Focus in
  • Manual Testing
  • $100 - $149

  • 50 - 249

  • 2021

  • London, United Kingdom
3Ace Tech

3Ace Tech

Transforming Ideas into Iconic Digital Experiences
We design, build and scale products throughout the entire product lifecycle and specialise in crafting unforgettable digital experiences made to pump your brand to new heights. We Deliver Happiness End-to-End Expertise: Comprehensive support from ideation to scaling, ensuring a seamless product lifecycle. Innovative Design: Creating memorable digital experiences that captivate and engage your audience. Boosting Brands: Driving your brand's growth with bespoke solutions tailored to your unique needs. ... Read more
Services
  • Mobile App Development
  • Web Development
  • Software Development
  • Web Design
  • E-commerce Development
Focus in
  • QA Testing
  • $25 - $49

  • 10 - 49

  • 2023

  • Birmingham, United Kingdom
Packetlabs

Packetlabs

Ready for more than a VA scan
Packetlabs is a Canadian-based CREST and SOC 2 Type II-accredited cybersecurity firm that delivers best-in-class cybersecurity solutions that go beyond the checkbox for SMBs and enterprises across North America.  The benefits of engaging with Packetlabs extend beyond mere compliance; we provide actionable intelligence that organizations can use to fortify their defences. By identifying weaknesses that others may overlook, Packetlabs empowers its clients to make informed decisions about their security strategies. Our consultants are not only skilled in identifying vulnerabilities but are also committed to ongoing learning, ensuring that they are equipped to navigate the complexities of modern networks and evade potential controls. Through our 95% manual penetration testing methodology (and 0% outsourcing guarantee), we offer several solutions that push the envelope on security–and guarantee full regulatory and cyber insurance compliance. In summary, Packetlabs stands out in the cybersecurity field by offering a robust suite of services designed to uncover and address vulnerabilities through expert penetration testing. Our focus on manual testing, continuous learning, and thoroughness positions us as a valuable partner for organizations seeking to enhance their security posture in an increasingly complex threat landscape. ๐—ฆ๐—ฒ๐—ฟ๐˜ƒ๐—ถ๐—ฐ๐—ฒ๐˜€ ๐—–๐—ฎ๐˜๐—ฒ๐—ด๐—ผ๐—ฟ๐—ถ๐—ฒ๐˜€ ๐—œ๐—ป๐—ฐ๐—น๐˜‚๐—ฑ๐—ฒ: Penetration Testing (includes Ransomware & Cloud), Adversary Simulation (includes red teaming & purple teaming), Application Security & Security Assessment (includes cyber maturity assessments, ICS/OT assessments & CIS Benchmark Audits).   ... Read more
Services
  • Testing Services
  • IT Services
Focus in
  • Performance Testing
  • Usability Testing
  • QA Testing
  • Application Security Testing
  • System Testing
  • $200 - $300

  • 50 - 249

  • 2011

  • London, United Kingdom
Bit Zesty Ltd

Bit Zesty Ltd

London based digital innovation agency
We are a London-based innovation agency. We create human-centred digital products. We specialise in Product Strategy, UX Design and Web App Development.
Services
  • Software Development
  • E-commerce Development
  • Testing Services
  • Maintenance & Support
Focus in
  • Usability Testing
  • Performance Testing
  • A/B Testing
  • Automation Testing
  • < $25

  • 10 - 49

  • 2009

  • London, United Kingdom

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