People-powered software testing
We're a software testing and QA company; we help our clients to create better software.
100% employee-owned and B Corp certified.
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Studio 24
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The UK’s only employee-owned software testing company
Our ISTQB accredited software testing team have delivered over 5,000 projects in 15 years.
Our company
We do business differently
We're a 50+ strong team of software testing, QA strategy, and test delivery experts based in the UK.
As an employee-owned B Corp, we approach business with purpose and accountability. We believe in a business model that puts people and the planet first, ensuring that every decision we make benefits our team, our community, and our clients.
We’re 100% employee-owned
In 2023, we became the UK's first software testing company to transition to employee-ownership.
As co-owners we're equally invested in delivering the best service and results, as our success is directly tied to the satisfaction and outcomes we achieve for our clients.
Using our business as a force for good
Our B Corp certification demonstrates that we're a different type of QA company. We've made a legal and moral commitment to balance profit with purpose.
It shows we operate with integrity, ensuring that client projects are managed responsibly, and with the wider world in mind.
Collaboration, trust and respect
We're focused on creating an environment where our work matters, everyone's voice is heard, and our life outside of work is valued.
As co-owners, we're accountable to one another for what we say and do. We value each other’s opinions and communicate with clarity and kindness.
Independent. Objective. Reliable.
Our UK-based team deliver an extensive range of fully managed software testing and QA services.
We work across strategy, delivery and execution to help our clients deliver better software, services and digital products.
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QA and software testing
Quality assurance testingEnsure software quality and functionality through thorough, end-to-end testing that identifies issues early and supports successful outcomes.
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Digital accessibility
Digital accessibility servicesBuild inclusive user experiences, provide equal access and comply with accessibility regulations by prioritising digital accessibility.
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Performance optimisation
Load and performance testingLeverage performance data to quickly identify and fix bottlenecks, ensuring fast load times, great user experiences, and scalable applications and systems.
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Cyber security
Cyber security servicesSafeguard your data, people, and reputation with a proactive risk-management strategy to effectively combat modern cyber security threats.
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Test automation
Test automation servicesRelease updates faster and reduce time, cost and resource by implementing an automated solution based on a flexible core framework.
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Strategy and consultancy
Strategy and consultancyGain insight into your testing strategy, QA structures, test processes, and tools to eliminate bottlenecks and streamline processes.
Helping DHSC deliver and continuously improve public health services
Since 2020, we’ve worked closely with the Department of Health and Social Care, providing ongoing QA across public digital health services used by millions of people in the UK.
- 6+
- years
- 7+
- public services
- 1 million+
- users
Flexible. Responsive. Dependable.
Our delivery models are highly flexible and scalable to match variations in software testing requirements. We seamlessly integrate with you no matter when we join a project. We hit the ground running - adding value from day one.
We're an objective and honest partner
As an independent software testing partner, we bring an unbiased perspective to your projects, helping you build robust and efficient QA processes.
Whether you need strategic guidance or hands-on support, we'll get to the heart of what you need ensuring our solutions are aligned with your timelines, budgets and quality goals.
'I’ve worked with many other external QA companies, but they only do as they’ve been asked. Zoonou go way beyond that – they are proactive with suggestions and ideas on how to improve processes. That’s what makes this such a great partnership.'
- David Comer, Software Test Manager at Blatchford Prosthetics
Values-driven partnerships
We collaborate with organisations across the private, public, and third sectors whose values and ethos align with ours.
This approach enables us to build long-term, sustainable client partnerships grounded in trust and transparency - allowing us to contribute to digital projects that drive positive, lasting impact.
What our clients say
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Zoonou feel like an extension of our team. They understood what we were trying to achieve and the business goals for our clients. Their insight helped us make architectural decisions, right-size our infrastructure and save hundreds of thousands of dollars.
See how we helped TangentAndy Eva-Dale, Technical Director
Tangent
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We’ve been working with Zoonou for several years across multiple projects. Their testers immerse themselves in our products and feel like part of the team. They’re collaborative, reliable, professional and fully invested in our success.
See how we help Toca BocaJack Walker, QA Manager
Toca Boca
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Zoonou’s support has been key in helping us strengthen the resilience and accessibility of our systems. We really value the difference this work will make for people across Wales.
See how we help Natural Resources WalesDean Johnson, Test Manager
Natural Resources Wales
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Zoonou are quick to understand our requirements, take the time to listen and always deliver around the needs of my team. Their work has equally impressed the Programme and Project Managers I work with.
See how we helped Southern HousingWill Brimble, Implementation Manager
Southern Housing
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"Zoonou feel like an extension of our team. They understood what we were trying to achieve and the business goals for our clients. Their insight helped us make architectural decisions, right-size our infrastructure and save hundreds of thousands of dollars."
Andy Eva-Dale, Technical Director
Tangent
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"We’ve been working with Zoonou for several years across multiple projects. Their testers immerse themselves in our products and feel like part of the team. They’re collaborative, reliable, professional and fully invested in our success."
Jack Walker, QA Manager
Toca Boca
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"Zoonou’s support has been key in helping us strengthen the resilience and accessibility of our systems. We really value the difference this work will make for people across Wales."
Dean Johnson, Test Manager
Natural Resources Wales
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"Zoonou are quick to understand our requirements, take the time to listen and always deliver around the needs of my team. Their work has equally impressed the Programme and Project Managers I work with."
Will Brimble, Implementation Manager
Southern Housing
Our latest thinking
G-Cloud 15: what’s changed and what still matters
The National Archives: five weeks with the Transfer Digital Records team
Three years on: what I'm still learning about employee ownership
Every great partnership starts with a conversation
Reach out to explore how we can collaborate and achieve the best outcomes together.