Thames Reinforcements Limited
Registered name: THAMES REINFORCEMENTS LIMITED
Part of JRL Group Holdings Limited groupThames Reinforcements Limited made £32.8m revenue and a £1.4m loss in the year to 31 Mar 2026.
Thames Reinforcements Limited’s revenue was £32.8m in the year to 31 Mar 2026, with a loss of £1.4m and 110 employees. The company is classified under “other specialised construction activities” and is based in Borehamwood; we hold 5 years of its filed accounts.
- Status
- Active
- Location
- Borehamwood, East of England
- Age
- 20 yrs · since 2006
- 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: “JRL Group Holdings Limited”
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 Mar 2025 | 30 Apr 2025 | 31 Mar 2026 |
|---|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||||
| Revenue (turnover) | £98.7m | £83.7m | £65.5m | £65.5m | £32.8m |
| Cost of sales | £84.9m | £65.5m | −£56.2m | £56.2m | −£30.1m |
| Gross profit | £13.7m | £18.2m | £9.2m | £9.2m | £2.7m |
| Operating profit | £8.7m | £12.5m | £1.4m | £1.4m | −£1.7m |
| Profit before tax | £8.6m | £12m | £932k | £932k | −£1.9m |
| Profit after tax | £6.9m | £9.1m | £693k | £693k | −£1.4m |
| Profit (best available) | £6.9m | £9.1m | £693k | £693k | −£1.4m |
| Staff costs | £6m | £6.2m | — | £7.3m | — |
| Employees (average) | 151 | 154 | 133 | 133 | 110 |
| Ratios | |||||
| Profit margin | 7% | 10.9% | 1.1% | 1.1% | −4.4% |
| Gross margin | 13.9% | 21.8% | 14.1% | 14.1% | 8.2% |
| Revenue per employee | £653k | £544k | £492k | £492k | £299k |
| Profit per employee | £46k | £59.3k | £5.2k | £5.2k | −£13.1k |
| Growth (year on year) | |||||
| Revenue growth | — | ▼15.1% | — | — | — |
| Profit growth | — | ▲31.5% | — | — | — |
| Headcount growth | — | ▲2% | — | — | — |
| Balance sheet — indirect signals, not revenue | |||||
| Cash at bank | £10.6m | £8.5m | — | £10.4m | — |
| Net assets | £19.9m | £29m | — | £29.7m | — |
| Fixed assets | £653k | £689k | — | £596k | — |
| Current assets | £53m | £56.4m | — | £46.2m | — |
| Debtors | £10.6m | £6.1m | — | £6.7m | — |
| Deferred income | £606k | £192k | — | £691k | — |
| Source | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2024 | Accounts · bulk data Aug 2026 | FullAccounts · bulk data Jan 2026 | Accounts · bulk data Aug 2026 |
How the business works
- Profit margin
- −4.4%
- Profit ÷ revenue.
- Gross margin
- 8.2%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £299k
- Revenue ÷ average employees.
- Profit per employee
- −£13.1k
- 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.
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 110
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- JRL Group Holdings Limitedultimate parent75–100%
- JRL Group Limited75–100%
- Thames Reinforcements Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (28)
- Midgard LtdRev. £580m · Profit −£11.6m
- J. Reddington LtdRev. £298m · Profit −£5.7m
- McMullen Facades LimitedRev. £121m · Profit −£11.7m
- Ark Mechanical and Electrical Services LimitedRev. £101m · Profit −£68k
- Midgard City LimitedRev. £62.8m · Profit −£3.3m
- London Tower Crane Hire & Sales LimitedRev. £57.7m · Profit £5.5m
- JRL Modular LtdRev. £20.2m · Profit −£5.2m
- JRL Environmental LimitedRev. £14.3m · Profit −£1.1m
- Anglo Swiss Façade Design LimitedFigures not disclosed
- Elstree Civil Engineering LimitedFigures not disclosed
- JRL Access LimitedFigures not disclosed
- JRL Civil Engineering LimitedFigures not disclosed
- JRL Demolition LimitedFigures not disclosed
- JRL Drylining LimitedFigures not disclosed
- JRL GH Facades LimitedFigures not disclosed
- JRL Plant and Logistics LimitedFigures not disclosed
- JRL Structures LimitedFigures not disclosed
- JRL Trading (3) LtdFigures not disclosed
- London Concrete Pumping LimitedFigures not disclosed
- Midgard Design Services LtdFigures not disclosed
- Midgard Public Sector LimitedFigures not disclosed
- Quantum Gate LimitedFigures not disclosed
- Slipstructures LimitedFigures not disclosed
- Stair Master LtdFigures not disclosed
- Trent Precast Concrete LimitedFigures not disclosed
- Trent Reinforcements LtdFigures not disclosed
- UK Facades LimitedFigures not disclosed
- Woodland Environmental LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from accounts for the year to 31 Mar 2026 (profit −£1.4m), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.
Updated from Companies House on 23 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.