Interwell Limited
Registered name: INTERWELL LIMITED
Interwell Limited made £27.2m revenue and £1.5m profit in the year to 31 Dec 2025.
Interwell Limited’s revenue fell 19% to £27.2m in the year to 31 Dec 2025, with £1.5m profit and 76 employees. The company is classified under “support activities for petroleum and natural gas extraction” and is based in Aberdeen; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Aberdeen, Scotland
- Age
- 15 yrs · since 2011
- Type
- Private Limited Company
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) | £20.8m | £28.1m | £33.4m | £27.2m |
| Cost of sales | £12m | £15.5m | £19.2m | £12.3m |
| Gross profit | £8.7m | £12.6m | £14.2m | £14.9m |
| Operating profit | £1.5m | £2.1m | £2.4m | £2m |
| Profit before tax | £1.6m | £2.1m | £2.5m | £2.1m |
| Profit after tax | £1.2m | £1.6m | £1.8m | £1.5m |
| Profit (best available) | £1.2m | £1.6m | £1.8m | £1.5m |
| Staff costs | £4.7m | £6.2m | £7.1m | £7.3m |
| Employees (average) | 56 | 67 | 78 | 76 |
| Ratios | ||||
| Profit margin | 5.9% | 5.6% | 5.5% | 5.5% |
| Gross margin | 42% | 45% | 42.5% | 54.8% |
| Revenue per employee | £371k | £419k | £429k | £358k |
| Profit per employee | £21.9k | £23.4k | £23.7k | £19.9k |
| Growth (year on year) | ||||
| Revenue growth | — | ▲35.4% | ▲19% | ▼18.6% |
| Profit growth | — | ▲27.7% | ▲17.9% | ▼18.4% |
| Headcount growth | — | ▲19.6% | ▲16.4% | ▼2.6% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £1.8m | £1m | £1.7m | £2.3m |
| Net assets | £3.4m | £5m | £6.9m | £8.4m |
| Fixed assets | £327k | £2m | £1.5m | £1.1m |
| Current assets | £8.5m | £12.1m | £14.5m | £14.3m |
| Debtors | £4.8m | £7.6m | £9.2m | £7.8m |
| Deferred income | £161k | £374k | £1.2m | £599k |
| Source | FullAccounts · bulk data Sep 2024 | FullAccounts · bulk data Sep 2024 | FullAccounts · bulk data Sep 2025 | FullAccounts · bulk data Sep 2026 |
How the business works
- Profit margin
- 5.5%
- Profit ÷ revenue.
- Gross margin
- 54.8%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £358k
- Revenue ÷ average employees.
- Profit per employee
- £19.9k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 4.2%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 2.2%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 28.5%
- 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
- ▲22%
- Now £8.4m
- Cash at bank
- ▲36%
- Now £2.3m
- Headcount
- ▼3%
- Now 76
- Deferred income
- ▼48%
- Now £599k
- Fixed assets
- ▼26%
- Now £1.1m
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Similar profitable businesses
- First Marine Solutions LimitedAberdeen · Support activities for petroleum and natural gas extraction
- Revenue
- £21.6m
- Profit
- £798k
- Staff
- 53
- Wellbore Integrity Solutions UK LimitedLondon · Support activities for petroleum and natural gas extraction
- Revenue
- £19.9m
- Profit
- £1m
- Staff
- 88
- Meren Services LimitedLondon · Support activities for petroleum and natural gas extraction
- Revenue
- £17.6m
- Profit
- £300k
- Staff
- 25
- Imenco UK LimitedAberdeen · Support activities for petroleum and natural gas extraction
- Revenue
- £17.3m
- Profit
- £743k
- Staff
- 115
- Rotech Subsea LimitedAberdeen · Support activities for petroleum and natural gas extraction
- Revenue
- £17.2m
- Profit
- £1.2m
- Staff
- 48
- United Rentals UK LimitedBrigg · Support activities for petroleum and natural gas extraction
- Revenue
- £16.5m
- Profit
- £3.6m
- Staff
- 53
Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £1.5m), from the Companies House accounts bulk data published Sep 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.