WHAT WE DO

The spreadsheet
that runs your business,
finally a system.

Somewhere in your business, a spreadsheet decides what your customers pay. It lives on a laptop. It's emailed every month. The person who built it is the only one who fully understands it.

We turn it into a system.

Without rewriting it. Without changing the formulas your team trusts. The workbook stays. The chaos around it goes.

YOUR WORKBOOK

X
the .xlsx your team built Same formulas. Same modeller.
Single source of truth.
WEB

A controlled web app — it looks like Excel

Because it is the workbook. Your team works in something they already know. Permissions per cell. Drafts, review, publish.

API

A typed REST API

For the systems that consume the model. OpenAPI · SDKs · Excel-parity to 12 decimals.

LOG

A full audit trail

For the people who ask "who did what, when, and what did it return?"

SAME WORKBOOK

Looks like Excel.

Because it is. Same formulas, same answers, same people in charge of the model.

NOW GOVERNED

Roles. Versions. Audit.

Cell, range and sheet permissions — per role. Locked formulas. PII tagged. Every change traced.

NOW CONNECTED

Use it. Or call it.

A web app for your team — a typed REST API for your CRM, portal, partner systems.

WHAT CHANGES

Modeller stays in Excel

Where they think. Where they're fastest.

No model risk

Excel-parity, version control, audit log.

No spreadsheet sprawl

One source of truth, governed in place.

SEE IT

Excel that the
whole business can use.

Try it. Same workbook, three people in your business. Watch what each one can see — and what they can't. Click a tab ↓

X pricing-model.xlsx VIEWING AS · Sales
A
B
C
1
Customer
J. BakkerPII
Premium
2
Sum insured
€ 250,000
€ 1,247
3
Term
25 yrs
4
Eligible age
18 – 70
Sales · sees the result. Inputs are read-only. Customer name is masked.

The spreadsheet stays.
The chaos goes.