Calculus Energy Limited
Registered name: CALCULUS ENERGY LIMITED
Calculus Energy Limited made £21.4k revenue and £17k profit in the year to 31 Dec 2025.
Calculus Energy Limited’s revenue was £21.4k in the year to 31 Dec 2025, with £17k profit and 1 employee. The company is classified under “other research and experimental development on natural sciences and engineering” and is based in Blackpool; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Blackpool, North West
- Age
- 8 yrs · since 2017
- Type
- Private Limited Company
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | No P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | — | — | £0 | £21.4k |
| Profit after tax | — | — | −£638 | £17k |
| Profit (best available) | — | — | −£638 | £17k |
| Staff costs | — | — | £0 | £0 |
| Employees (average) | 1 | 1 | 2 | 1 |
| Ratios | ||||
| Profit margin | — | — | — | 79.3% |
| Revenue per employee | — | — | £0 | £21.4k |
| Profit per employee | — | — | −£319 | £17k |
| Growth (year on year) | ||||
| Headcount growth | — | 0% | ▲100% | ▼50% |
| Balance sheet — indirect signals, not revenue | ||||
| Net assets | £139 | £687 | £1.3k | £15.7k |
| Fixed assets | £677 | £1.7k | £1.4k | £1k |
| Current assets | £1.9k | £2.5k | £2.2k | £22.6k |
| Source | FullAccounts · bulk data Sep 2024 | FullAccounts · bulk data Sep 2024 | FullAccounts · bulk data Sep 2025 | FullAccounts · bulk data Mar 2026 |
How the business works
- Profit margin
- 79.3%
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £21.4k
- Revenue ÷ average employees.
- Profit per employee
- £17k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 4.9%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- —
- Money owed by customers. Low = customers pay quickly.
Balance-sheet signals
Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.
- Net assets
- ▲1084%
- Now £15.7k
- Cash at bank
- —
- Now —
- Headcount
- ▼50%
- Now 1
- Deferred income
- —
- Now —
- Fixed assets
- ▼25%
- Now £1k
Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £17k), from the Companies House accounts bulk data published Mar 2026. Spotted an error? Request a correction.
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.