Senior operators on your
hardest problems. Software
built from what they learn.
MangoStack is an operating studio. We run transformation, operations, and AI work from inside your business, and we build the software those problems demand. Senior operators, embedded. Software, shipped.
We operate.
We build.
The front line shows us what to build; the software makes the front line faster.
We operate.
Senior operators embedded on your front line to lead transformation, operations, and AI to a result, then hand back.
OperatingWe build.
We turn the problems we see on the front line into production software. Our flagship is agentic finance.
SoftwareThe two feed each other — and each turn compounds. How the studio model works →
Pelvar — the agentic month-end close for UK groups.
Groups with multiple companies and currencies spend days every month combining their books by hand. Pelvar runs that close with an AI agent — reconciles the balances between entities, gets the currency right, and writes the result back into the accounts.
Audit-ready group accounts in a fraction of the time.
The studio, on the ground.
Agentic group close and consolidation. In development with design partners.
Read more →Agentic cash application and AR automation. Sibling product in the finance line.
Read more →An AI workforce audit for UK accounting firms — capacity unlocked, never headcount reduced.
Read more →A free UK settlement-eligibility tool, used by people navigating UK immigration.
Open tool →Senior operators,
on your front line.
When a transformation has stalled, an operation will not scale, or AI is stuck in planning, we put a senior operator inside the team to lead it to a result and hand back.
Transformation programmes
Take a function from where it is to a defined future state, with accountability for the outcome.
Operations leadership
Run or rebuild an operation so it scales: model, tooling, process, team.
AI embedment
Move AI from intention to production: strategy, integration with compliance designed in, and adoption that lasts.
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