How much does Sonne Solar Limited make?

Sonne Solar Limited reported revenue of £3.4m and a loss of £1.3m in the year to 31 Dec 2025, according to its accounts filed at Companies House.

Is Sonne Solar Limited profitable?

No — Sonne Solar Limited reported a loss of £1.3m in the year to 31 Dec 2025.

Company No. 11218550 · Incorporated 21 Feb 2018

Sonne Solar Limited

Registered name: SONNE SOLAR LIMITED

Part of Brookfield Asset Management Ltd. group

Sonne Solar Limited made £3.4m revenue and a £1.3m loss in the year to 31 Dec 2025.

Sonne Solar Limited’s revenue was £3.4m in the year to 31 Dec 2025, with a loss of £1.3m. The company is classified under “production of electricity” and is based in London; we hold 4 years of its filed accounts.

Full P&L filedSection D · Electricity, gas, steam and air conditioning supplySIC 35110Production of electricity

Status: Active
Location: London, London
Age: 8 yrs · since 2018
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.

Latest accounts · year to 31 Dec 2025

Key figures

Revenue

£3.4m

Growth —

Profit

−£1.3m

Growth —

Profit margin

−38.3%

Gross 88.5%

Employees

—

Change —

Profit / employee

—

Profitable streak

0yrs

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	30 Sep 2023	30 Sep 2024	31 Dec 2024	31 Dec 2025
Disclosure	Full P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£4.8m	£2.6m	£2.6m	£3.4m
Cost of sales	−£113k	−£284k	−£284k	−£393k
Gross profit	£4.7m	£2.4m	£2.4m	£3m
Operating profit	£2.5m	£836k	£836k	£682k
Profit before tax	£387k	−£900k	−£900k	−£1.6m
Profit after tax	£225k	−£767k	−£767k	−£1.3m
Profit (best available)	£225k	−£767k	−£767k	−£1.3m
Employees (average)	—	—	—	—
Ratios
Profit margin	4.7%	−29.1%	−29.1%	−38.3%
Gross margin	97.7%	89.3%	89.3%	88.5%
Balance sheet — indirect signals, not revenue
Net assets	—	—	—	—
Source	Accounts · bulk data May 2025	Accounts · bulk data May 2025	Accounts · bulk data Jul 2026	Accounts · bulk data Jul 2026

Derived from the latest filing

How the business works

Profit margin: −38.3%; Profit ÷ revenue.
Gross margin: 88.5%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: —; Revenue ÷ average employees.
Profit per employee: —; 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.

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: —; Now —
Cash at bank: —; Now —
Headcount: —; Now —
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

Brookfield Asset Management Ltd. (registered outside the UK register)ultimate parent75–100%
Brookfield Renewable European Development Limited75–100%
BGTF Proton Holdings Limited75–100%
Roof UK JV Co Limited75–100%
Roof UK Midco Limited75–100%
Roof UK Bidco Limited75–100%
Atrato Onsite Energy Holdco Limited75–100%
Roof UK Finance Midco Limited75–100%
Roof UK Borrower Limited75–100%
Sonne Solar Limitedthis company

Bands show the share of ownership each company holds in the one below it.

Sister companies (21)

Skeeby Solar LimitedRev. £6.1m · Profit −£105k
London Road Energy Centre LimitedRev. £4m · Profit −£876k
Hylton Plantation Solar Farm LimitedRev. £1.4m · Profit −£797k
NCH Solar1 LimitedRev. £1.3m · Profit £156k
Emdc Solar LimitedRev. £1m · Profit £397k
Private Wire Solar 1 LimitedRev. £434k · Profit −£295k
Finlight DG UK LtdRev. £407k · Profit −£709k
Atrato Rooftop Solar 1 LimitedRev. £339k · Profit −£238k
WR 11 Solar LimitedRev. £236k · Profit −£150k
Mamhilad Solar LimitedRev. £155k · Profit −£151k
Ges Solar2 LimitedRev. £101k · Profit £79.9k
Rooftop Solar 3 LimitedRev. £43.9k · Profit −£37.6k
Cefn Park Solar LimitedRev. £0 · Profit −£2.4k
Ges Solar3 LimitedFigures not disclosed
Grange Solar Farm LimitedFigures not disclosed
Harmony Ob LimitedFigures not disclosed
Hops Energy LimitedFigures not disclosed
Lyford Renewables LimitedFigures not disclosed
Mylor 2 LimitedFigures not disclosed
Mylor LimitedFigures not disclosed
South Lowfield Solar Farm LimitedFigures not disclosed

From the Persons with Significant Control register (corporate controllers only).

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Sources

Companies House profile Filing history & original accounts

Latest figures from accounts for the year to 31 Dec 2025 (profit −£1.3m), from the Companies House accounts bulk data published Jul 2026. Spotted an error? Request a correction.

Updated from Companies House on 13 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.