Zero Energy Design Ltd
Registered name: ZERO ENERGY DESIGN LTD
Part of RSK Group Limited groupZero Energy Design Ltd made £457k revenue and £89.7k profit in the year to 6 Apr 2025.
Zero Energy Design Ltd’s revenue fell 1% to £457k in the year to 6 Apr 2025, with £89.7k profit and 5 employees. The company is classified under “engineering related scientific and technical consulting activities” and is based in Cheshire; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- Cheshire, North West
- Age
- 20 yrs · since 2006
- Type
- Private Limited Company
Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently. From the filing: “Silcock Leedham Group Limited”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2024 | 6 Apr 2025 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £462k | £457k |
| Cost of sales | £378k | £277k |
| Gross profit | £83.5k | £180k |
| Profit before tax | £31.1k | £120k |
| Profit after tax | £23.4k | £89.7k |
| Profit (best available) | £23.4k | £89.7k |
| Employees (average) | 7 | 5 |
| Ratios | ||
| Profit margin | 5.1% | 19.6% |
| Gross margin | 18.1% | 39.4% |
| Revenue per employee | £65.9k | £91.4k |
| Profit per employee | £3.3k | £17.9k |
| Growth (year on year) | ||
| Revenue growth | — | ▼1% |
| Profit growth | — | ▲284.2% |
| Headcount growth | — | ▼28.6% |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £44.7k | £168k |
| Net assets | £260k | £324k |
| Fixed assets | £2.9k | £1.3k |
| Current assets | £340k | £495k |
| Debtors | £66.6k | £90k |
| Source | FullAccounts · bulk data Sep 2025 | FullAccounts · bulk data Sep 2025 |
How the business works
- Profit margin
- 19.6%
- Profit ÷ revenue.
- Gross margin
- 39.4%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £91.4k
- Revenue ÷ average employees.
- Profit per employee
- £17.9k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 0.3%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 19.7%
- 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
- ▲25%
- Now £324k
- Cash at bank
- ▲276%
- Now £168k
- Headcount
- ▼29%
- Now 5
- Deferred income
- —
- Now —
- Fixed assets
- ▼56%
- Now £1.3k
Group structure
Ownership chain
- RSK Group Limitedultimate parent75–100%
- RSK Environment Limited75–100%
- Silcock Leedham Group Ltd75–100%
- Zero Energy Design Ltdthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (1)
- Silcock Leedham Consulting Engineers LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 6 Apr 2025 (profit £89.7k), from the Companies House accounts bulk data published Sep 2025. 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.