25+ Years of Expert Engineering at Your Service
At Sage, we combine decades of engineering expertise with cutting-edge AI to solve your most challenging software problems. Trusted by regulated industries where failure is not an option.
Deep Expertise That Makes the Difference
The Wisdom of Experience
We built Sage because we’ve been there staring down undocumented systems, brittle legacy code, and high-stakes projects teetering on failure. Sage was born from those moments. It’s not a lab experiment or a clever plugin, it’s a product shaped by decades of navigating real-world engineering challenges. From global migrations to audit readiness, we’ve seen how critical context is. That’s why Sage goes beyond AI overlays: it precompiles the logic, structure, and meaning hidden deep in your code, giving your teams the clarity to move fast and make confident decisions.
The Sage Team
We’re a growing team of senior engineers, architects, and programme leaders with over 25 years of hands-on experience across core banking, insurance platforms, cloud infrastructure, and legacy modernisation. We’ve led high-impact change, streamlining onboarding, remediating compliance risks, supporting M&A due diligence, and rebuilding software foundations at scale. Some of us hold patents. All of us are trusted to solve complex problems where it matters most. If you’ve ever felt lost in your own codebase, we’ve been there and we built Sage to help you out of it.
Built for Regulated Industries
Finance
We've architected systems handling billions in transactions, ensuring security, compliance, and reliability in high-stakes financial environments.
Healthcare
Our team has delivered compliant solutions that protect sensitive patient data whilst providing seamless access to critical information for providers.
Insurance
We've modernised legacy systems for major insurers, maintaining compliance whilst delivering enhanced performance and security.
Every engineer at Sage has extensive experience in regulated industries where precision, compliance and robustness aren't optional they're essential.
AI-Powered Solutions, Human-Led Expertise
What kind of AI technology does Sage use?
Sage uses cutting-edge AI tools purpose-built to handle the complexity of real-world software systems. Unlike generic AI, Sage is engineered to understand deep architecture, legacy codebases, and regulated environments making it uniquely effective for documentation, modernization, and compliance.
What makes Sage different from other AI tools?
Unlike generic LLMs, Sage combines structured architectural analysis, regulated-industry context, and human validation to deliver trusted outputs. Where other tools auto-generate from prompts, Sage gives engineers true context—even in codebases with millions of lines. It’s not just AI-powered; it’s architected for real-world complexity.
How does Sage apply technical expertise to its solutions?
Every solution delivered by Sage is shaped by deep engineering expertise. Our team brings decades of hands-on experience solving complex challenges in regulated industries, ensuring that AI insights are grounded in real-world software architecture, not guesswork.
Can Sage be used with legacy systems?
Absolutely. Sage was built to unlock the business value of legacy systems, especially when original experts are long gone. Whether you’re dealing with mainframes, monoliths, or undocumented code, Sage reconstructs context so you can move forward with confidence.
What industries does the Sage team have experience in?
The Sage team brings battle-tested experience from decades spent working in highly regulated industries like finance, insurance, and healthcare. We understand the stakes compliance, risk, and resilience are built into everything we do.
Who typically uses Sage inside an organisation?
Sage supports the roles responsible for the most critical decisions in software and risk management—CTOs, Enterprise Architects, Engineering Managers, Compliance Officers, DevSecOps leads, and modernisation teams all rely on Sage to cut through the noise and make sense of complex systems.
Sage was purpose-built to unlock the full value of your existing software systems. We help teams rapidly understand, document, and modernise their most critical codebases combining the power of AI with irreplaceable human expertise.
Your Partner for the Hardest Engineering Challenges
We are the people companies call when they face the hardest engineering problems.
From modernising critical legacy systems to making high-stakes architecture decisions, we thrive in situations where technical excellence is non-negotiable and the consequences of failure are significant.
The Sage Team
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Anthony (Tony) Gibson
CEO and Founder
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Bruce Henderson
CTO and Founder