Company No. 10212112 · Incorporated 2 Jun 2016
Optisol Services Ltd
Registered name: OPTISOL SERVICES LTD
Part of Ares Management Corporation groupOptisol Services Ltd made £12.7m revenue and £1.1m profit in the year to 6 Apr 2025.
Optisol Services Ltd’s revenue grew 226% to £12.7m in the year to 6 Apr 2025, with £1.1m profit and 14 employees. The company is classified under “construction of other civil engineering projects” and is based in Cheshire; we hold 2 years of its filed accounts.
Full P&L filedSection F · ConstructionSIC 42990Construction of other civil engineering projects n.e.c.SIC 43290Other construction installationSIC 43999Other specialised construction activities n.e.c.SIC 81222Specialised cleaning services
- Status
- Active
- Location
- Cheshire, North West
- Age
- 10 yrs · since 2016
- 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: “RSK Environment Limited”
Latest accounts · year to 6 Apr 2025
Key figures
Capital-lightDoing more with less
Revenue
£12.7m
Growth ▲225.7%
Profit
£1.1m
Growth ▲73.1%
Profit margin
8.8%
Gross 18.5%
Employees
14
Change ▼6.7%
Profit / employee
£79.5k
Revenue/employee £909k
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.
2 filed years
Financial history
| Year to | 31 Mar 2024 | 6 Apr 2025 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £3.9m | £12.7m |
| Cost of sales | £1.8m | £10.4m |
| Gross profit | £2.1m | £2.4m |
| Profit before tax | £856k | £1.5m |
| Profit after tax | £643k | £1.1m |
| Profit (best available) | £643k | £1.1m |
| Employees (average) | 15 | 14 |
| Ratios | ||
| Profit margin | 16.5% | 8.8% |
| Gross margin | 53.1% | 18.5% |
| Revenue per employee | £260k | £909k |
| Profit per employee | £42.9k | £79.5k |
| Growth (year on year) | ||
| Revenue growth | — | ▲225.7% |
| Profit growth | — | ▲73.1% |
| Headcount growth | — | ▼6.7% |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £235k | £2.3k |
| Net assets | £967k | £2m |
| Fixed assets | £452k | £558k |
| Current assets | £1.4m | £4.9m |
| Debtors | £407k | £2.5m |
| Source | FullAccounts · bulk data Oct 2025 | FullAccounts · bulk data Oct 2025 |
Derived from the latest filing
How the business works
- Profit margin
- 8.8%
- Profit ÷ revenue.
- Gross margin
- 18.5%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £909k
- Revenue ÷ average employees.
- Profit per employee
- £79.5k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 4.4%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 19.4%
- 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
- ▲107%
- Now £2m
- Cash at bank
- ▼99%
- Now £2.3k
- Headcount
- ▼7%
- Now 14
- Deferred income
- —
- Now —
- Fixed assets
- ▲24%
- Now £558k
Corporate ownership
Group structure
Ownership chain
- Ares Management Corporation (registered outside the UK register)ultimate parent75–100%
- Ares Management Limited75–100%
- RSK Environment Limited75–100%
- Optisol Services Ltdthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (132)
- Mason Street Furniture LtdRev. £61.7m · Profit £1.5m
- W.G.M (Engineering)limitedRev. £52.7m · Profit £2m
- R.J.T. Excavations LimitedRev. £29.3m · Profit £2.3m
- Headland Archaeology (UK) LimitedRev. £17.5m · Profit £1.4m
- Salix River & Wetland Services LimitedRev. £16.9m · Profit £1m
- Hollywood Civil Engineering LimitedRev. £15.4m · Profit £988k
- RSK Hi-Line LimitedRev. £15.1m · Profit £231k
- Kendall Kingscott LimitedRev. £14.6m · Profit £1.1m
- Central Alliance Pre Construction Services LtdRev. £13.9m · Profit £3.9k
- W.crowder & Sons LimitedRev. £13.5m · Profit £1.8m
- DWD Property and Planning LimitedRev. £13.4m · Profit £477k
- Spencer Quantum LimitedRev. £11.3m · Profit £1.2m
- Milestone Communications LimitedRev. £11.2m · Profit £267k
- Copper Consultancy LimitedRev. £10.5m · Profit £970k
- TBF Traffic LtdRev. £10.1m · Profit £1.3m
- Singleton Clamp & Partners LimitedRev. £9.9m · Profit £468k
- FR Consultants LimitedRev. £9.4m · Profit £639k
- Streetwise UK Management LimitedRev. £9.1m · Profit £371k
- CS2 LimitedRev. £9m · Profit £639k
- Pa Group (UK) LimitedRev. £7.5m · Profit £395k
- BMG Research LtdRev. £7.1m · Profit −£792k
- Bateman Skips LtdRev. £6.8m · Profit −£2.8m
- Proeon Systems LimitedRev. £6.7m · Profit £1.8m
- Up and Under LimitedRev. £5.9m · Profit £1.3m
- BTS Group LimitedRev. £5.9m · Profit £205k
- Centara LtdRev. £5.5m · Profit £217k
- Southern Ecological Solutions LimitedRev. £5.5m · Profit £1.2m
- Homer Burgess LimitedRev. £4.9m · Profit £567k
- Pharos Field Engineering Services LimitedRev. £4.7m · Profit £198k
- Eib Group LimitedRev. £4.6m · Profit £181k
- EB7 LimitedRev. £4.5m · Profit £549k
- The Woodhouse Partnership LimitedRev. £4.4m · Profit £868k
- Fishtek LimitedRev. £4.2m · Profit £300k
- Travis Baker LimitedRev. £4.2m · Profit £2.2m
- Apollo Strategic Communications LimitedRev. £3.4m · Profit £360k
- Envireau LtdRev. £2.9m · Profit £379k
- Aurora Health Physics Services LimitedRev. £2.8m · Profit £347k
- Hydrofix LimitedRev. £2.5m · Profit £403k
- Economic Research Services LimitedRev. £2.4m · Profit £28.2k
- Watertrain LimitedRev. £2.3m · Profit £251k
- Kirton Water Treatment Services LimitedRev. £2.3m · Profit £223k
- Advantage RSK LimitedRev. £2.2m · Profit £235k
- Project Milner LimitedRev. £1.5m · Profit £505k
- Treefellers LimitedRev. £1.2m · Profit £92k
- Windtechs LtdRev. £891k · Profit £137k
- Ara Architecture LimitedRev. £874k · Profit £35k
- RSK Orbital LimitedRev. £783k · Profit £261k
- CX Group Holdings LimitedRev. £0 · Profit £640k
- Deans Holdco LimitedRev. £0 · Profit −£7.5k
- Edp Consultants LtdRev. £0 · Profit £3.9k
- +82 more
From the Persons with Significant Control register (corporate controllers only).
Same industry, similar size
Similar profitable businesses
- SBC (Uganda) LimitedBirmingham · Construction of other civil engineering projects n.e.c.
- Revenue
- £12.4m
- Profit
- £5.2m
- Staff
- 224
- Bridge Civil Engineering LimitedChudleigh · Construction of other civil engineering projects n.e.c.
- Revenue
- £12.4m
- Profit
- £371k
- Staff
- 66
- Seivwright Brothers LimitedBanff · Construction of other civil engineering projects n.e.c.
- Revenue
- £12.4m
- Profit
- £1.6m
- Staff
- 73
- J F Lindsay Construction LimitedMelbourn · Construction of other civil engineering projects n.e.c.
- Revenue
- £13.2m
- Profit
- £188k
- Staff
- 22
- JRC Facilities LtdGosport · Construction of other civil engineering projects n.e.c.
- Revenue
- £13.5m
- Profit
- £2.5m
- Staff
- 50
- Environmental Techniques LimitedLisburn · Construction of other civil engineering projects n.e.c.
- Revenue
- £12m
- Profit
- £1.2m
- Staff
- 56
Sources
Latest figures from FullAccounts for the year to 6 Apr 2025 (profit £1.1m), from the Companies House accounts bulk data published Oct 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.