Trusted By Businesses Who Refuse To Compromise
Working with Cog Mobile is a genuinely personal experience, something that sets it apart in an industry often driven by scale rather than relationships. From the very first interaction, there’s a clear sense that clients aren’t just projects on a list, but partners whose goals, challenges, and ambitions are taken seriously.
A big part of that ethos comes from the leadership of Managing Director, Justin Michael. With 15+ years of hands-on experience in the mobile app space, Justin brings both technical understanding and strategic insight to every engagement. He’s not removed from the process, he’s actively involved, ensuring that every solution delivered reflects a deep understanding of the client’s needs and the realities of the market.
This combination of personal attention and seasoned expertise means that working with Cog Mobile feels collaborative rather than transactional. Clients benefit not only from technical delivery, but from guidance shaped by real-world experience, helping them make smarter decisions, avoid common pitfalls, and ultimately achieve better outcomes.
It’s this balance of approachability and professionalism that defines Cog Mobile: a company where relationships matter, and where experience is used not just to deliver, but to genuinely support and empower clients.
A big part of that ethos comes from the leadership of Managing Director, Justin Michael. With 15+ years of hands-on experience in the mobile app space, Justin brings both technical understanding and strategic insight to every engagement. He’s not removed from the process, he’s actively involved, ensuring that every solution delivered reflects a deep understanding of the client’s needs and the realities of the market.
This combination of personal attention and seasoned expertise means that working with Cog Mobile feels collaborative rather than transactional. Clients benefit not only from technical delivery, but from guidance shaped by real-world experience, helping them make smarter decisions, avoid common pitfalls, and ultimately achieve better outcomes.
It’s this balance of approachability and professionalism that defines Cog Mobile: a company where relationships matter, and where experience is used not just to deliver, but to genuinely support and empower clients.
Justin Michael
Justin Michael is the Managing Director of Cog Mobile, a
UK-based mobile app development agency he founded in
2013. He has over 15 years of experience in iOS and Android
development, working across technologies such as Swift,
Kotlin, Flutter, and React Native, as well as backend systems
like Ruby on Rails and AWS. Through Cog Mobile, he has
delivered more than 50 mobile applications for well-known
brands including STV,
Nando’s
, the Archie Foundation and
Irn-Bru. Known for combining hands-on technical expertise
with team leadership, Justin oversees both the development
and delivery of projects, focusing on building ef
fi
cient,
scalable, and user-friendly mobile solutions for a wide range
of clients.
Kathleen Shepherd
Kathleen Shepherd is a Business Development Manager at
Cog Mobile, a UK-based mobile app development agency. In
her role, she focuses on building relationships with new and
existing clients, identifying growth opportunities, and helping
businesses adopt custom mobile solutions to improve
ef
fi
ciency and digital capability. Working alongside the wider
Cog Mobile team, she supports the company in expanding its
client base across various industries, contributing to project
scoping, client communication, and strategic growth
initiatives.
Developers
Our development team brings over 16 years of experience delivering high-quality digital products for businesses of all sizes. Our developers have worked with leading brands including Nando's, STV, Pepsi, Tesco Bank, and many others, helping to build reliable, scalable, and user-focused applications.
With expertise spanning native mobile development in Swift, Kotlin, and Java, as well as cross-platform technologies, backend systems, cloud infrastructure, APIs, and web development, our team has the skills to deliver solutions tailored to your business needs.
From startups launching their first product to established organisations serving millions of users, we combine technical excellence with real-world commercial experience to create software that performs, scales, and delivers results.
Designers
Great apps are built on great user experiences. Our design team has years of experience crafting mobile-first digital products for companies of all sizes, helping businesses transform ideas into intuitive, engaging, and commercially successful applications.
With a strong focus on mobile UX and UI design, we create experiences that feel natural from the very first interaction. Through user research, wireframing, prototyping, and interface design, we ensure every screen has a purpose and every journey is effortless.
By combining creative thinking with a deep understanding of user behaviour, we design apps that not only look exceptional but also drive engagement, retention, and business growth.
Testers
Quality is at the heart of every project we deliver. Our testing team combines automated and manual testing techniques to ensure every application meets the highest standards of performance, reliability, and usability before it reaches your users.
Using a comprehensive approach that includes unit testing, integration testing, and detailed manual testing, we identify issues early, validate functionality across platforms, and ensure a smooth user experience. Our testers work closely with developers and designers throughout the development lifecycle, helping to maintain quality at every stage rather than treating testing as an afterthought.
From mobile apps and web platforms to complex enterprise systems, our rigorous quality assurance processes help minimise risk, reduce defects, and give clients confidence that their software is ready for real-world use.