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NTT DATA UK LIMITED
As enterprises look to deliver high-quality applications a test data strategy is a key enabler for enterprise agility, security, and cost efficiency. As agile and DevOps becomes common, organisations need to focus on immediate test data access across Domains/IT pillars. NTT DATA’s Test Data Intelligent Service responds to those needs.
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CREATE CHANGE LONDON LTD
We deliver digital products for public sector services from Alpha to live. Our Multidisciplinary teams build, test, and iterate products using user research, interaction design, data, DevOps, engineering, and architecture. We focus on outcomes - not outputs, and create usable, accessible services that improve user experience and adoption.
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ZOONOU LIMITED
Zoonou’s Disabled User Testing provides real-world insights into how people with disabilities interact with digital services. We recruit participants with diverse impairments and test key user journeys on web and mobile platforms, helping public sector teams identify barriers, prioritise remediation, and provide evidence for GDS assessments, go-live, and ongoing monitoring.
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TPXIMPACT LIMITED
TPXimpact delivers production-ready software through Private and Public Beta phases. We provide full-stack development, Secure-by-Design architecture, and CI/CD automation. We ensure GDS Service Standard compliance, WCAG 2.2 accessibility, and Service Transition planning. We focus on scalability, resilience, and technical debt management to ensure a seamless Live launch
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USER VISION LTD.
Human‑centred evaluation of AI features against ISO 9241‑210, combining heuristic reviews, user research and usability testing to ensure usable, trustworthy and compliant AI experiences. Delivers clear findings, prioritised risks and remediation guidance to integrate AI seamlessly across citizen and staff journeys.
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QUALITEST GROUP UK LTD
The Business Intelligence (BI) report and dashboard testing service verifies accuracy and integrity of data in BI reports and dashboards from various sources. Blending data and visual validation methods, we conduct comprehensive quality checks, enabling you to make confident, informed business decisions.
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Mixd
Mixd provides content design for public sector digital services. We help teams plan, write and structure content that is clear, accessible and user centred. Our work improves journeys, supports accessibility compliance, and ensures content meets user needs and organisational requirements.
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M4 DIGITAL GROUP LTD
M4 provide cost effective Test Consultancy and Test Resource Augmentation Services, covering comprehensive range of Quality Assurance and Software Testing services, including:Managing Software Testing Programmes and Projects, Test Management, Test Automation Services, Load and Performance Testing, Test efficiency reviews, mobile application testing. Team members are verified SC/NPPV cleared Software Testers.
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ESYNERGY SOLUTIONS LIMITED
Our interaction design services are clear, accessible, and easy to use. We create user journeys, screens, and components based on user research, analytics, and established patterns, all aligned with GDS Service Standard. Working within agile teams, we prototype, test, and refine to deliver end-to-end experiences while building internal design capabilities.
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MTEST LABS LIMITED
MTEST Labs provides a high-quality managed testing discipline against defined deliverables, SLAs and KPIs that interacts with software quality assurance developments through to execution, including continuous improvement agile iterations or at phase-end milestones. Using a combination of manual, user triggered tests and automated test scripts achieving highest quality standards.
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BRICKENDON CONSULTING LIMITED
Codeless Automation uses our frameworks to enable testing to be performed without requiring a great deal of technical know-how or coding abilities. At Brickendon, we use codeless automation to simplify testing without code, enabling your organisation to overcome the challenges of manual testing and embrace automation seamlessly.
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THIS IS GAIN LTD
We are experts in delivering Alpha in accordance with the Service Standard and Service Manual. We’ll iteratively prototype, test and refine hypotheses based on user needs to define the service vision, ensuring smooth transition to Beta. We can be parachuted into struggling Alpha teams at risk of failing assessments.
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TRANSFORM UK CONSULTING LIMITED
We design and deliver cloud-hosted mobile platforms and apps using React Native, Progressive Web Apps and responsive web technologies. Our teams apply rigorous engineering practices – user-centred design, test-driven development, continuous integration and secure coding – to create multi-device services that integrate with government systems and meet accessibility standards.
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S8080 LIMITED
Rapid project rescue and review for failing digital services and CMS. Evidence-led triage, code review, security hardening and performance fixes; open‑source setup and migration, CI/CD, UK cloud hosting, WCAG 2.2 AAA accessibility. Public‑sector specialists, ISO 27001, Cyber Essentials Plus, bilingual Welsh/English, no vendor lock‑in; integration, agile PRINCE2 delivery.
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S8080 LIMITED
Rapid project rescue and review for failing digital services and CMS. Evidence-led triage, code review, security hardening and performance fixes; open‑source setup and migration, CI/CD, UK cloud hosting, WCAG 2.2 AAA accessibility. Public‑sector specialists, ISO 27001, Cyber Essentials Plus, bilingual Welsh/English, no vendor lock‑in; integration, agile PRINCE2 delivery.
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HYPER TALENT SOLUTIONS LTD
Our team of specialist recruitment team work closely with you to find the participants for your research projects with a great attendance rate. We have a large database of participants including users that use assistive technology, accessibility, low digital skills etc. across the UK.
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M4 DIGITAL GROUP LTD
M4 provide cost effective Test Consultancy and Test Resource Augmentation Services, covering comprehensive range of Quality Assurance and Software Testing services, including:Managing Software Testing Programmes and Projects, Test Management, Test Automation Services, Load and Performance Testing, Test efficiency reviews, mobile application testing. Team members are verified SC/NPPV cleared Software Testers.
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M4 DIGITAL GROUP LTD
M4 provide cost effective Test Consultancy and Test Resource Augmentation Services, covering comprehensive range of Quality Assurance and Software Testing services, including:Managing Software Testing Programmes and Projects, Test Management, Test Automation Services, Load and Performance Testing, Test efficiency reviews, mobile application testing. Team members are verified SC/NPPV cleared Software Testers.
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M4 DIGITAL GROUP LTD
M4 provide cost effective Test Consultancy and Test Resource Augmentation Services, covering comprehensive range of Quality Assurance and Software Testing services, including:Managing Software Testing Programmes and Projects, Test Management, Test Automation Services, Load and Performance Testing, Test efficiency reviews, mobile application testing. Team members are verified SC/NPPV cleared Software Testers.
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IBM UNITED KINGDOM LIMITED
IBM's Non-Functional Test (NFT) and Infrastructure Testing Services help customers to validate systems Non-Functional requirements, ensuring they are defined, testable and exceeded during execution; ensuring customers can realise enhanced value for their business from delivered systems and upgrades and reducing nasty brand-damaging outages.
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THIS IS GAIN LTD
We produce motion graphics and animations to communicate complex information clearly across digital and broadcast channels. Combining user-centred design, accessibility principles and Agile delivery methods aligned with GDS and DDaT standards, this approach ensures visual communications support understanding, engagement and compliance with government accessibility and content design expectations.
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CDS
Enhance digital delivery with our Quality Assurance consultancy and services. Our expert teams provide tailored usability, accessibility, security, functional testing, and test automation. We deliver compliant, ISO-aligned QA strategies that reduce risk, improve quality, and scale efficiently, helping organisations deliver reliable, user-centred digital services with confidence.
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STADIA CONSULTING GROUP LTD
Stadia’s End-to-End Service Design Consultancy helps organisations create user-centred, efficient services aligned with policy and operational goals. From discovery to implementation, we map journeys, identify pain points, and co-create solutions that improve accessibility, inclusivity, and performance; ensuring services work for everyone, from frontline staff to end users.
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CREDERA LIMITED
Credera's User Experience (UX) Design approach creates intuitive, accessible, and desirable experiences aligned with business goals. Through prototyping, testing, and optimization, we apply user-centric methods to unlock maximum value. We ensure your designs meet citizen and business needs, delivering seamless interactions that drive engagement, satisfaction, and measurable outcomes.
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TESTINGXPERTS LIMITED
TestingXperts ensures seamless digital experiences through comprehensive validation across mobile and web applications. Our expertise spans functionality, performance, security, usability, and cross-device compatibility, enabling resilient, high-quality digital interactions across today’s rapidly evolving digital landscape.
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ZOONOU LIMITED
Our QA Test Management and Consultancy services help public sector teams embed robust software testing and quality assurance (QA) across digital service delivery, cloud transformation, and live services. We provide independent, risk-based advice on test strategy, governance, non-functional assurance, and service readiness, supporting GDS service assessments and confident go-live decisions.
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SCOTT LOGIC LIMITED
Technology-agnostic design and delivery of test automation for cloud services. Our test engineers create maintainable, risk-led automated checks integrated into CI/CD pipelines, improving feedback speed, release confidence and service quality across AWS and Azure-hosted platforms.
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WYVERN BUSINESS SYSTEMS LIMITED
Specialist assessment, implementation and support of assistive technology to meet individual accessibility and neurodiversity needs. Services support disabled users and those requiring reasonable adjustments, helping public sector organisations meet Equality Act duties while improving access, productivity and user experience across cloud-enabled digital workplaces.
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THIS IS GAIN LTD
We produce digital media content that supports communication, training and engagement across public-sector platforms. Combining Agile delivery, user research and accessibility principles within DDaT and GDS frameworks, this approach ensures compliant, inclusive and efficient media production, improving understanding, consistency and accessibility of public information and services.
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JACOBS U.K. LIMITED
Our Software Quality Assurance service ensures reliable, secure, high-performing applications for UK Government. Using advanced testing, automation, and continuous integration, we deliver solutions aligned with GDS standards. Embedded change management and capability building enable sustainable adoption, empowering teams to maintain quality throughout the software lifecycle with confidence.