Limestone Digital

Limestone Digital is an enterprise AI transformation partner that treats AI adoption as an engineering discipline rather than a tooling purchase. The consultancy specializes in brownfield environments: mature products, legacy infrastructure and regulated codebases that cannot simply be rewritten. Its core proposition is that most organizations already have AI tools but none of the measurable value, so the firm focuses on locating and removing the invisible friction between a team and production, then proving the change with data.

The delivery model has three layers. The first is capability, delivered as AI training and enablement for engineering, technical leadership and delivery teams. The second is systems, where the firm builds custom agentic AI into an existing platform from data foundation and pilot through to production. The third is output: embedded AI-native engineering pods that join a client's standups, work inside its repositories, and ship against its product roadmap. The company says roughly 98% of the code it ships is not handwritten, while remaining reviewed, tested and owned by the client.

What differentiates the offer is measurement. Engagements are instrumented with DevInt, a developer-intelligence layer that ties version control, issue tracking and AI usage into one weekly read covering cycle time, review load and AI assist hours, down to individual engineers. Public case results include 42% faster lead time for a logistics platform, an 85% incident reduction at a fintech SaaS company, and 40% higher sprint predictability for an industrial software vendor. Commercially, the consultancy works month-to-month with no long-term contracts and a stated no-measured-uplift-no-invoice commitment, positioning itself as recurring OpEx rather than a capital project. It serves healthcare, insurance, mortgage and lending, logistics, legal, financial services and enterprise SaaS, and derives a large share of work from private equity portfolio enablement.