Mast was founded to bring modern software engineering to an industry underserved by technology. We work alongside banks and lenders, not around them.
Lending works best when institutions can focus on customers and products instead of wrestling with legacy systems. Our mission is to make that possible, at any scale, in any market.
We build infrastructure that is composable, secure, and compliant by default. We deploy incrementally, validate with real users, and never let technology outpace governance.
Every capability is an API. Swap, extend, and orchestrate without rewrites.
Governance, auditability, and controls are built into the platform, not bolted on.
Ship any experience on top: portals, agents, brokers, or internal tools.
Every workflow is programmable, so AI agents can run origination end-to-end.
Lending has been underserved by modern technology for decades. Mast was founded to change that, starting with mortgages and expanding to serve banks and lenders across products and geographies.
MoneyAge Awards
2026 winner: Best mortgage technology
2025 shortlisted: Best mortgage technology
UK Fintech Awards
2026 shortlisted: LendTech of the Year
2025 shortlisted: LendTech of the Year
We reason from the ground up. Complex problems are solved by understanding the fundamentals, not by defaulting to convention.
We design for the whole lifecycle. Every decision is judged by how it compounds across product, risk, operations, and customer outcomes.
We say what needs to be said, kindly and directly. Truth in the open is how we move fast and stay aligned.
We ship infrastructure that lenders and banks can run on. Trust is earned through consistency, not promises.
We build from the lender's reality, not from our own assumptions. Every feature must earn its place in the workflow.
We act like owners of the outcome. No handoffs, no blame, just problems solved and lessons shared.
Everything we do, we do well or we don't do at all. Excellence is in the process and the details, the rest follows.