Advanced Fibreoptic Engineering Limited
Registered name: ADVANCED FIBREOPTIC ENGINEERING LIMITED
Part of Adfen Investments Limited groupAdvanced Fibreoptic Engineering Limited made £7.5m revenue and £425k profit in the year to 30 Jun 2025.
Advanced Fibreoptic Engineering Limited’s revenue grew 3% to £7.5m in the year to 30 Jun 2025, with £425k profit and 57 employees. The company is classified under “manufacture of electronic components” and is based in Carterton; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Carterton, South East
- Age
- 21 yrs · since 2005
- 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: “Adfen Investments Limited”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Jun 2022 | 30 Jun 2023 | 30 Jun 2024 | 30 Jun 2025 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £6.5m | £6.9m | £7.3m | £7.5m |
| Cost of sales | £3.4m | £3.4m | £3.7m | £3.7m |
| Gross profit | £3.1m | £3.5m | £3.6m | £3.8m |
| Operating profit | £933k | £1m | £1.1m | £655k |
| Profit before tax | £923k | £1m | £1.1m | £630k |
| Profit after tax | £835k | £825k | £855k | £425k |
| Profit (best available) | £835k | £825k | £855k | £425k |
| Staff costs | — | £2.5m | £2.7m | £3.2m |
| Employees (average) | 55 | 57 | 51 | 57 |
| Ratios | ||||
| Profit margin | 12.9% | 12% | 11.7% | 5.7% |
| Gross margin | 48% | 50.7% | 49.1% | 51% |
| Revenue per employee | £117k | £121k | £143k | £132k |
| Profit per employee | £15.2k | £14.5k | £16.8k | £7.5k |
| Cash conversion | — | 118.2% | 121.1% | 132.2% |
| Growth (year on year) | ||||
| Revenue growth | — | ▲6.9% | ▲5.7% | ▲2.9% |
| Profit growth | — | ▼1.1% | ▲3.6% | ▼50.3% |
| Headcount growth | — | ▲3.6% | ▼10.5% | ▲11.8% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £445k | £360k | £349k | £26k |
| Net assets | £3.3m | £3.8m | £4.2m | £4.2m |
| Fixed assets | £1.6m | £2.3m | £2.9m | £3.6m |
| Current assets | £3.2m | £2.8m | £2.9m | £3m |
| Debtors | £1.4m | £1.1m | £1.4m | £1.5m |
| Deferred income | £408k | £192k | £158k | £166k |
| Cash from operations | — | £1.2m | £1.3m | £866k |
| Source | FullAccounts · bulk data Feb 2024 | FullAccounts · bulk data Feb 2024 | FullAccounts · bulk data Mar 2025 | FullAccounts · bulk data Dec 2025 |
How the business works
- Profit margin
- 5.7%
- Profit ÷ revenue.
- Gross margin
- 51%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £132k
- Revenue ÷ average employees.
- Profit per employee
- £7.5k
- Profit ÷ average employees.
- Cash conversion
- 132.2%
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 47.8%
- 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
- 20.1%
- 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
- ▲1%
- Now £4.2m
- Cash at bank
- ▼93%
- Now £26k
- Headcount
- ▲12%
- Now 57
- Deferred income
- ▲5%
- Now £166k
- Fixed assets
- ▲22%
- Now £3.6m
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
- Adfen Investments Limitedultimate parent75–100%
- Advanced Fibreoptic Engineering Limitedthis company
Bands show the share of ownership each company holds in the one below it.
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 30 Jun 2025 (profit £425k), from the Companies House accounts bulk data published Dec 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.