Emerald Power Ltd
Registered name: EMERALD POWER LTD
Part of Renew Holdings PLC. groupEmerald Power Ltd made £14.2m revenue and £1.9m profit in the year to 31 Jul 2025.
Emerald Power Ltd’s revenue was £14.2m in the year to 31 Jul 2025, with £1.9m profit and 122 employees. The company is classified under “construction of utility projects for electricity and telecommunications” and is based in Cookstown; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Cookstown, Northern Ireland
- Age
- 11 yrs · since 2015
- 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.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Jul 2022 | 31 Jul 2023 | 31 Jul 2024 | 31 Jul 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | No P&L | No P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | — | — | — | £14.2m |
| Cost of sales | — | — | — | −£8.8m |
| Gross profit | — | — | — | £5.4m |
| Operating profit | — | — | — | £2.6m |
| Profit before tax | — | — | — | £2.6m |
| Profit after tax | — | — | — | £1.9m |
| Profit (best available) | — | — | — | £1.9m |
| Employees (average) | 72 | 100 | 122 | 122 |
| Ratios | ||||
| Profit margin | — | — | — | 13.5% |
| Gross margin | — | — | — | 38.2% |
| Revenue per employee | — | — | — | £116k |
| Profit per employee | — | — | — | £15.7k |
| Growth (year on year) | ||||
| Headcount growth | — | ▲38.9% | ▲22% | 0% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £1.1m | £1.2m | £380k | — |
| Net assets | £1.9m | £2m | £920k | — |
| Fixed assets | £927k | £1.1m | £942k | — |
| Current assets | £1.9m | £2.3m | £1.5m | — |
| Debtors | £852k | £1m | £1.1m | — |
| Source | AbridgedAccounts · bulk data Nov 2023 | AbridgedAccounts · bulk data Nov 2023 | AbridgedAccounts · bulk data Apr 2025 | Accounts · bulk data May 2026 |
How the business works
- Profit margin
- 13.5%
- Profit ÷ revenue.
- Gross margin
- 38.2%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £116k
- Revenue ÷ average employees.
- Profit per employee
- £15.7k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- —
- 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
- —
- Now —
- Cash at bank
- —
- Now —
- Headcount
- 0%
- Now 122
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Renew Holdings PLC.ultimate parent75–100%
- Excalon Holdings Limited75–100%
- Emerald Power Ltdthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (2)
- Electricity Distribution Engineering Services Ltd.Figures not disclosed
- Excalon LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
- Heneghan & Sons LimitedLeeds · Construction of utility projects for electricity and telecommunications
- Revenue
- £41.7m
- Profit
- £11.7m
- Staff
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- Vea Group LimitedBracknell · Construction of utility projects for electricity and telecommunications
- Revenue
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- Profit
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- Staff
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- Peter McCormack & Sons LimitedConstruction of utility projects for electricity and telecommunications
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- £24.1m
- Profit
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- Diona Construction Ltd.Glasgow · Construction of utility projects for electricity and telecommunications
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- £23.6m
- Profit
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- Gcu (UK) LimitedDerry · Construction of utility projects for electricity and telecommunications
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- £42.4m
- Profit
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- Rapid Response Telecoms LtdBarnsley · Construction of utility projects for electricity and telecommunications
- Revenue
- £33.1m
- Profit
- £3.4m
- Staff
- 180
Sources
Latest figures from accounts for the year to 31 Jul 2025 (profit £1.9m), from the Companies House accounts bulk data published May 2026. Spotted an error? Request a correction.
Updated from Companies House on 14 Oct 2026
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.