Sunlight Technology Limited
Registered name: SUNLIGHT TECHNOLOGY LIMITED
Part of Octopus Energy Topco Limited groupSunlight Technology Limited made £279k revenue and £156k profit in the year to 31 Dec 2025.
Sunlight Technology Limited’s revenue grew 23% to £279k in the year to 31 Dec 2025, with £156k profit and 3 employees. The company is classified under “production of electricity” and is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 15 yrs · since 2011
- 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 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £222k | £234k | £227k | £279k |
| Cost of sales | £123k | £131k | £98.2k | £131k |
| Gross profit | £98.4k | £103k | £129k | £148k |
| Operating profit | £87.3k | £90.7k | £129k | £131k |
| Profit before tax | −£192k | −£97.7k | −£31k | £57.9k |
| Profit after tax | −£192k | −£97.7k | −£31k | £156k |
| Profit (best available) | −£192k | −£97.7k | −£31k | £156k |
| Employees (average) | 4 | 4 | 3 | 3 |
| Ratios | ||||
| Profit margin | −86.6% | −41.7% | −13.7% | 55.9% |
| Gross margin | 44.4% | 44.2% | 56.7% | 53% |
| Revenue per employee | £55.4k | £58.6k | £75.7k | £92.9k |
| Profit per employee | −£48k | −£24.4k | −£10.3k | £51.9k |
| Growth (year on year) | ||||
| Revenue growth | — | ▲5.7% | ▼3.1% | ▲22.7% |
| Headcount growth | — | 0% | ▼25% | 0% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £597k | £163k | £107k | £102k |
| Net assets | £1.4m | £1.3m | £1.2m | £1.4m |
| Fixed assets | £11.5m | £11.4m | £11.3m | £11.2m |
| Current assets | £833k | £192k | £135k | £237k |
| Debtors | £235k | £29.3k | £27.9k | £135k |
| Deferred income | £65.6k | £13.8k | £12k | £18.1k |
| Source | FullAccounts · bulk data Oct 2024 | FullAccounts · bulk data Oct 2024 | FullAccounts · bulk data Oct 2025 | FullAccounts · bulk data Aug 2026 |
How the business works
- Profit margin
- 55.9%
- Profit ÷ revenue.
- Gross margin
- 53%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £92.9k
- Revenue ÷ average employees.
- Profit per employee
- £51.9k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 4023%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 6.5%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 48.6%
- 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
- ▲13%
- Now £1.4m
- Cash at bank
- ▼5%
- Now £102k
- Headcount
- 0%
- Now 3
- Deferred income
- ▲50%
- Now £18.1k
- Fixed assets
- ▼1%
- Now £11.2m
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- Octopus Energy Topco Limitedultimate parent75–100%
- Octopus Energy Group Limited75–100%
- Octopus Energy Generation Limited75–100%
- Octopus Energy Generation Fund Management Holdings Limited75–100%
- Octopus Renewables Limited75–100%
- Reip IV Holdings Limited75–100%
- Reip IV Midco Limited50–75%
- Sunstone Bidco Limited75–100%
- Sunlight Technology Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (7)
- Anchor Renewables LtdRev. £422k · Profit £206k
- Guardian Solar LtdRev. £357k · Profit £137k
- Gaia Power Systems LtdRev. £287k · Profit £98.7k
- Aspect Solar LtdRev. £244k · Profit £97.6k
- Applied Solar LtdRev. £215k · Profit £83.6k
- Astral Solar LtdRev. £214k · Profit £85.9k
- White Rose Solar LtdRev. £202k · Profit £134k
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
- Gaia Power Systems LtdLondon · Production of electricity
- Revenue
- £287k
- Profit
- £98.7k
- Staff
- 3
- Oakapple Berwickshire LimitedManchester · Production of electricity
- Revenue
- £290k
- Profit
- £38.3k
- Staff
- 4
- Mheuran Hydro LtdLondon · Production of electricity
- Revenue
- £301k
- Profit
- £110k
- Staff
- 0
- Bhiorain Hydro LtdLondon · Production of electricity
- Revenue
- £305k
- Profit
- £118k
- Staff
- 0
- Aspect Solar LtdLondon · Production of electricity
- Revenue
- £244k
- Profit
- £97.6k
- Staff
- 3
- Gaoirean Hydro LtdLondon · Production of electricity
- Revenue
- £338k
- Profit
- £118k
- Staff
- 0
Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £156k), from the Companies House accounts bulk data published Aug 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.