How much does Sunnerg Ltd make?

Sunnerg Ltd reported revenue of £23.3m and £2.2m profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does Sunnerg Ltd have?

Sunnerg Ltd reported an average of 8 employees in the year to 31 Dec 2025.

Is Sunnerg Ltd profitable?

Yes — Sunnerg Ltd reported a profit of £2.2m in the year to 31 Dec 2025.

Company No. 10625896 · Incorporated 17 Feb 2017

Sunnerg Ltd

Registered name: SUNNERG LTD

Sunnerg Ltd made £23.3m revenue and £2.2m profit in the year to 31 Dec 2025.

Sunnerg Ltd’s revenue fell 39% to £23.3m in the year to 31 Dec 2025, with £2.2m profit and 8 employees. The company is classified under “other construction installation” and is based in Croydon; we hold 4 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 43290Other construction installation

Status: Active
Location: Croydon, London
Age: 9 yrs · since 2017
Type: Private Limited Company

Latest accounts · year to 31 Dec 2025

Key figures

IndependentSmall teamCapital-lightBoring industry

Revenue

£23.3m

Growth ▼38.7%

Profit

£2.2m

Growth ▼55.6%

Profit margin

9.3%

Gross 18.4%

Employees

Change ▲14.3%

Profit / employee

£271k

Revenue/employee £2.9m

Profitable streak

2yrs

Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

4 filed years

Financial history

Multi-year financials, oldest to newest
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)	—	—	£38m	£23.3m
Cost of sales	—	—	£31.3m	£19m
Gross profit	—	—	£6.8m	£4.3m
Operating profit	—	—	£6.5m	£2.9m
Profit before tax	—	—	£6.5m	£2.9m
Profit after tax	—	—	£4.9m	£2.2m
Profit (best available)	—	—	£4.9m	£2.2m
Staff costs	—	—	£142k	£360k
Employees (average)	14	15	7	8
Ratios
Profit margin	—	—	12.9%	9.3%
Gross margin	—	—	17.8%	18.4%
Revenue per employee	—	—	£5.4m	£2.9m
Profit per employee	—	—	£699k	£271k
Growth (year on year)
Revenue growth	—	—	—	▼38.7%
Profit growth	—	—	—	▼55.6%
Headcount growth	—	▲7.1%	▼53.3%	▲14.3%
Balance sheet — indirect signals, not revenue
Cash at bank	£541k	£2.6m	£3.6m	£2.9m
Net assets	£446k	£2m	£5m	£2.2m
Fixed assets	£49k	£35k	£36.7k	£37.1k
Current assets	£1.4m	£3.7m	£12.2m	£6.7m
Debtors	£721k	£484k	£1.4m	£596k
Source	Accounts · bulk data May 2024	Accounts · bulk data May 2024	FullAccounts · bulk data Apr 2025	FullAccounts · bulk data Apr 2026

Derived from the latest filing

How the business works

Profit margin: 9.3%; Profit ÷ revenue.
Gross margin: 18.4%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £2.9m; Revenue ÷ average employees.
Profit per employee: £271k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 0.2%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 2.6%; Money owed by customers. Low = customers pay quickly.

Indirect — not revenue

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: ▼56%; Now £2.2m
Cash at bank: ▼18%; Now £2.9m
Headcount: ▲14%; Now 8
Deferred income: —; Now —
Fixed assets: ▲1%; Now £37.1k

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £2.2m), from the Companies House accounts bulk data published Apr 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.