Overview
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Cumulative profit against the £10,000 purchase
Revenue and expenses by month
Monthly profit
Annualised profit — 3-month rolling average
Profit margin
Monthly tracker
Every column from the original spreadsheet, recomputed from the ledger.
| Month | Revenue | Expenses | Purchase | Profit | Profit − mkt | Margin | Margin − mkt | Annualised (3mo) | 12mo proj. | Cumulative | % paid back |
|---|
Where the money goes
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Expenses by category — all time
Expenses by category over time
Unit economics
Derived from per-charge Stripe data across both eras. Customers are
identified by a one-way hash — no names or email addresses are stored.
Active customers and new joiners
Customer acquisition cost
Cohort retention — % of each month's joiners still paying
VAT
—
| Month | Gross | Net | Input VAT |
|---|
Ledger
Both eras. Click a row to flag it discretionary, change its category or add a note.
| Date | Description | Payee | Category | VAT | Amount |
|---|
Capital account
Partner funds introduced and drawings. Taken from Xero, which the
spreadsheet understated by £5,160.04.
| Date | Type | Amount |
|---|
Data
Where these numbers come from, and whether they are current.