The Best Software QA Companies in the UK

Looking for a top software QA company in the United Kingdom?

Hiring a software testing company is a necessity to both test and improve the services your company offers, especially in an increasingly digital world.

To assist you in your search for a partner, we’ve compiled this list of the top software testing companies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.

List of the Best United Kingdom Software QA Companies

  • 1

    Unosquare, LLC

    Founded in 2009, Unosquare, LLC is headquartered in Lake Oswego, Ore. with other locations in Guadalajara, Mexico, and Belfast, U.K. With more than 600 employees, they provide software testing and development services, combined with their staff augmentation services to meet software engineering needs, using nearshore development professionals.

    Notable Project

    A caller ID company hired Unosquare, LLC to provide software engineering and QA resources. Assisting on various projects, Unosquare provided daily support in all aspects of application development.

    "I have been most impressed with the caliber of the technical resources provided by Unosquare." – Senior Director Software Engineering, Caller ID Company

    Former clients
    Vesta
    Harvard Business Publishing
    Foundation Medicine
    Edwards Lifesciences
    Axis Bank
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place Belfast, United Kingdom
    4.9
    4.9
    12 Clutch reviews
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  • 2

    Tremend Software Consulting

    Tremend Software Consulting is a software engineering company in Bucharest, Romania; Aliso Viejo, Calif.; and Brasov, Romania. Founded in 2005, they have about 337 employees that serve mostly midmarket and small-business clients in the financial, IT, and telecommunications sectors. Services include IT managed services, custom software development, and e-commerce development. 

    Notable Project

    Tremend Software Consulting handled mobile app and web development efforts for an independent media platform. They built a native app for iOS, Android, and web, comprising the partner's MVP. The partner had nothing but praise for the results of the engagement, and the solution met expectations. 

    "They are super flexible and they want to understand the need behind the project and they want to be a part of it." –Co-Founder, Independent Media Platform

    Former clients
    Orange
    ING Bank
    Carrefour
    Actility
    Braeburn
    $ $ $ $ $
    equalizer $10,000+
    group250 - 999 Employees
    place London, United Kingdom
    4.8
    4.8
    9 Clutch reviews
  • 3

    Indiespring

    Founded in 2011, Indiespring is a development firm. Their team of around 20 employees is based in Manchester, United Kingdom. They focus on mobile app development, app marketing, and application testing.

    Notable Project

    Indiespring developed a mobile app for an online gambling platform. The team also built an accompanying website. They managed servers and third party relationships with clients.

    "They take criticism and direct feedback very well; they don’t get defensive." – CMO, Online Gambling Platform

    Former clients
    More Than Car Insurance
    Nokia
    Royal Sun Alliance
    Alstom
    Oxford University
    Bahamas Telecom
    $ $ $ $ $
    equalizer $50,000+
    group10 - 49 Employees
    place Manchester, United Kingdom
    4.9
    4.9
    8 Clutch reviews
  • 4

    Bad Dinosaur

    Bad Dinosaur is a development company in Edinburgh, Scotland. Founded in 2013, they have about 15 employees that serve small-business and midmarket clients in the financial, education, and business sectors. Services include custom software development, UI/UX design, and mobile app development.

    Notable Project

    Bad Dinosaur provided prototype development for a smartphone ordering solution. Their team implemented existing sketches and wireframes to build an Adobe XD prototype. The prototype has helped the client to interact with their customers and has received positive feedback.

    “The work was delivered to a high standard and the overall output exceeded our expectations at the beginning of the campaign.” – Co-Founder & CEO, Smartphone Company

    Former clients
    Acorn Wellbeing
    University of St Andrews
    OneDotAll
    Altor Wealth Management
    The Lang Cat
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place Edinburgh, United Kingdom
    5.0
    5.0
    5 Clutch reviews
  • 5

    Xibis

    Xibis is a web and mobile application development company based in Leicester, UK. It was founded in 1998 and employs a team of 27 that works on projects in web development, mobile app development, e-commerce development, and application testing.

    Notable Project

    Xibis was hired by an automotive supply company to get its mobile app off the ground. Xibis created the visual design and back-end development for an iOS and Android compatible app, along with a corresponding mobile website. Xibis has now been commissioned to create a second website.

    "We’re really satisfied with the app. Within the first year of its launch, we were voted one of the top 500 apps by the Sunday Times. We were in the list for 2011 and 2012. So, we were really happy with it. " – Marketing Manager, Automotive Supply Company

    Former clients
    Dunelm Mills
    Halfords
    Inteflora
    Forte Lubricants
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place Leicester, United Kingdom
    5.0
    5.0
    1 Clutch review
    Awards

    Excellence in Digital Mapping Award - British Cartographic Society (2017)

  • 6

    Lambert Labs

    Founded in 2017, Lambert Labs is a software development agency that specializes in Python. Their team of fewer than 10 employees is based in London. They also provide web development services and application testing. 

    Notable Project

    Lambert Labs provides ongoing part-time support to an analytics platform. They've built APIs and helped with EPO services. They provided high-quality code, proving to be a reliable partner. 

    "They are incredibly diligent and knowledgeable." – Co-Founder, Data Solutions Provider 

    Former clients
    Accenture
    Let's Do This
    Caribou Data
    Fundment
    $ $ $ $ $
    equalizer $1,000+
    group2 - 9 Employees
    place London, United Kingdom
    5.0
    5.0
    4 Clutch reviews
  • 7

    Audacia

    Audacia is a bespoke software development firm headquartered in Leeds, UK. Founded in 2007, and have about 30 employees, most of their clients are large-scale enterprises in the European market. They provide custom software development, web development, mobile apps, software integration, and staff augmentation.

    Notable Project

    Audacia developed a sophisticated Magento-integrated database for a data center equipment broker. Audacia delivered a high-performing database integrated with both the Magento build and Sage 200 ERP, and the site has had no unplanned downtime since partnering with them.

    "They were clear and transparent, which is important for project management. Their updates were good and they were fantastic communicators." — IT Security Manager, Hardware Broker

    Former clients
    O2
    TD Bank
    Enterprise Car Club
    Pfizer
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place Leeds, United Kingdom
    4.9
    4.9
    4 Clutch reviews
  • 8

    Synetec Ltd

    Synetec is a software development consultancy headquartered in London. They were established in 2009, and have 26 employees. Synetec's range of services includes cloud, CRM, and business intelligence consulting, software integration, web development, custom software development, and more.

    Notable Project

    Synetec is engaged in a development partnership with a voice AI firm. The client's backend database requires integration of voice AI algorithms and CRM data, for which Synetec uses Microsoft Azure and SQL. The client emphasized that Synetec's work has not produced any negative feedback, and the partnership is considered integral to their business.

    "What is most impressive and impactful of them being a small business is their flexibility and availability." — CEO, Voice AI Firm

    Former clients
    Argentex
    Genesis
    Jabre Capital Partners
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.7
    4.7
    5 Clutch reviews
    Awards

    2018 DevOps Excellence Award

  • 9

    The London Software Testing Company

    The London Software Testing Company is a boutique software testing consultancy based in London with an office in Warsaw, Poland. The consultancy, founded in 2014, has a team of less than ten that provides application testing, BI & big data counsulting & SI, business consulting, and HR services to enterprise and smaller-sized financial services companies and institutions.

    Notable Project

    A regulatory software company hired The London Software Testing Company to handle QA testing on software for European regulations that the company was developing. The scope included checking whether the specifications of individual user stories or items on the backlog were good enough for engineers to follow and pick up, designing the test cases, checking the implementation and if the right values and results were produced, and exploratory and regression testing. The London Software Testing Company accomplished these tasks and met all expectations.

    "I can rely on them because they always take responsibility for the things they work on." - Interim Program Director, Regulatory Software Company

    Former clients
    The Depository Trust and Clearing Corporation (DTCC)
    SunGard Financial Systems - now FIS Global
    Impendium Systems - now Deutsche Borse Group
    $ $ $ $ $
    equalizer $100,000+
    groupFreelancer Employees
    place London, United Kingdom
    5.0
    5.0
    3 Clutch reviews
  • 10

    ACS

    ACS is a software house based in Bollington, England, and founded in 2099. Their team of no more than 10 specializes in custom software development, mobile app development, and big data consulting solutions for clients in the fields of hospitality and healthcare.

    Notable Project

    ACS developed a website for an athletic nonprofit. ACS worked on the backend and content of the nonprofit’s website to make it more easily manageable. ACS’s work has left a positive impact on the nonprofit.

    “There’s a high level of trust between our company and ACS.” - Co-Founder, Athletic Nonprofit

    Former clients
    The Manchester United Supporters Trust
    Sony Music
    EA
    $ $ $ $ $
    equalizer

    Undisclosed

    group2 - 9 Employees
    place Bollington, United Kingdom
    4.5
    4.5
    1 Clutch review
  • 11

    Ruvca Consulting

    Ruvca Consulting is a consultancy founded in 2011 with fewer than 10 members. Based in Dartford, England, they are experts in custom software development and application testing solutions for clients in the financial, business, and IT services industries, among others.

    Notable Project

    Ruvca Consulting provided front-end development solutions for an investment bank. The bank needed assistance with various projects. Ruvca Consulting helped increase the bank’s APS time to market.

    “They understand priorities and delivers to your expectations.” - Head of GM eFX IT, Investment Bank

    Former clients
    PortfolioNinja
    $ $ $ $ $
    equalizer $5,000+
    group2 - 9 Employees
    place Dartford, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 12

    Fluidity Software Solutions

    Fluidity Software Solutions is a software company based in Cape Town, South Africa. Run by more than 10 members, they have provided custom software, web, and mobile app development solutions to clients since their founding in 2013.

    Notable Project

    Fluidity Software Solutions developed custom software for a business evaluations platform. The goal was to develop a valuation SaaS. So far, the platform has been satisfied with the level of work done by Fluidity Software Solutions.

    “They’re very dependable, available, and committed to the project.” - Co-Founder & Director, Business Evaluations Platform

    Former clients
    Bravely
    PathCare
    Worth Busines
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place Glen Vine, United Kingdom
    4.6
    4.6
    4 Clutch reviews
  • 13

    O'Dwyer Software

    O'Dwyer Software is a London-based software company founded in 2014 with a team of more than two experts. They specialize in web development, custom software development, and application testing for clients ranging from small businesses to large firms.

    Notable Project

    O'Dwyer Software developed a dashboard for a computer software firm. The firm needed an internal system that managed their CI data, which was to be used for all their projects. O'Dwyer Software helped improve their tool, which was met with positive feedback.

    “They asked the right questions to make sure they were producing the right thing the first time.” - Team Lead, Computer Software Firm

    Former clients
    Babylon Health
    Sky
    Mozilla
    $ $ $ $ $
    equalizer $10,000+
    group2 - 9 Employees
    place London, United Kingdom
    4.5
    4.5
    2 Clutch reviews
  • 14

    Builder.ai

    Founded 2014 and headquartered in Los Angeles, Engineer.ai is a development company that works with midmarket and enterprise companies in the IT, retail, and financial industries. With two other locations in the UK and India, a team of 250 provides custom software development, mobile app development, application management, and artificial intelligence services to clients

    Notable Project

    A non-profit organization partnered with Engineer.ai for app development and design for citizen to exchange information on locations to reduce accidents. They provided the client with UI/UX design, development, testing, and launch of the application for the client.

    “We had good and sincere discussions on issues and how to handle them. Engineer.ai is very experienced in these projects and presented solutions quickly, so we can move forward.” – Technology Strategist, Non-profit Organization

    Former clients
    Virgin
    Unite
    BBC Click
    MoodIt
    StarJets
    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place Paddington, United Kingdom
    4.8
    4.8
    3 Clutch reviews
  • 15

    Fish Percolator

    Fish Percolator is a business process optimization consultancy and software design house based in Leeds, U.K. The company, founded in 2015, is a solo enterprise that provides custom software development, IT strategy consulting, web development, product design, and application testing services to small and midmarket companies. 

    Notable Project

    A strategic branding agency hired Fish Percolator to design and develop an analytics and measurement software application for use in the communcations industry. To date, the app is still in its early trials, but has been well-received by potential users. 

    "Their working methodology was second to none and the final output, superb." - Owner, Strategic Branding Agency

    Former clients
    Noiiz
    Leeds City Council
    Improve Your Accent
    Pecan Deluxe
    $ $ $ $ $
    equalizer $5,000+
    group2 - 9 Employees
    place Leeds, United Kingdom
    5.0
    5.0
    4 Clutch reviews
  • 16

    Artecha

    Founded in 2018, Artecha is a development firm. Their team of around 5 employees is based in London, with additional offices in Kyiv, Ukraine and Milan They focus on web development, mobile app development, and application management.

    Notable Project

    Artecha developed a website for a real estate company. The team consulted on, built, and designed the platform. They also identified and created a brand identity for the client.

    "Our platform works good and looks really great. We have positive feedback from the users we’ve tested with." – Founder, Real Estate Company

    Former clients
    Propertalis
    $ $ $ $ $
    equalizer $1,000+
    group2 - 9 Employees
    place London, United Kingdom
    5.0
    5.0
    2 Clutch reviews
  • 17

    Intuitech Technology Ltd

    Founded in 2016, Intuitech Technology Ltd is a development company based in Sutton, U.K. Their small team primarily works with enterprise clients in the IT field. They provide custom software, web, and mobile app development, in addition to application testing. 

    Notable Project

    Intuitech Technology Ltd provided development services for an e-commerce grocery store. They updated the client's existing infrastructure and added new functionalities to increase capacity and improve performance. 

    "Everything was done perfectly." – Senior Engineering Manager, Grocery Chain

    Former clients
    Sainsbury's
    Vodafone
    HSBC
    Barclays
    $ $ $ $ $
    equalizer $10,000+
    group2 - 9 Employees
    place Sutton, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 18

    Automation Squared Ltd

    Automation Squared Ltd is an app development company based in Horsham, England, with offices in Croydon, England; Brighton, England; and Pittsburgh. The 13-person team got started in 2007 and offers mobile app development, AI development, and enterprise app modernization.

    Notable Project

    Automation Squared Ltd built a cloud storage system for a theatrical publisher. The solution — developed in PHP and Laravel — replaced a Microsoft Access database with 50,000-100,000 records and improved processes. The new database saved the client and their customers time. 

    "Their ability to develop my product without a user requirement saved us time." – Managing Director, Theatrical Publisher

    Former clients
    GritWell
    Eva Emteq
    Stage Scripts Ltd
    $ $ $ $ $
    equalizer $50,000+
    group10 - 49 Employees
    place Horsham, United Kingdom
    4.5
    4.5
    2 Clutch reviews
  • 19

    Augmetic Technology

    Augmetic Technology is a small global technology company based in Ahmedabad, India. Founded in 2013, their team specializes in application management, application support, and e-commerce development.

    Notable Project

    Augmetic Technology developed a website for an airline booking agency. The team worked to improve site performance and UX.

    "Everything is well organized and support is awesome." – Founder, Airline Booking Agency

    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    2 Clutch reviews
Tell us about your project
NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

TELL US ABOUT YOUR PROJECT