Kellogg Brown & Root Limited
Registered name: KELLOGG BROWN & ROOT LIMITED
Part of Kellogg Brown Root Holdings (U.K.) Limited groupKellogg Brown & Root Limited made £361m revenue and £119m profit in the year to 31 Dec 2024.
Kellogg Brown & Root Limited’s revenue grew 23% to £361m in the year to 31 Dec 2024, with £119m profit and 14 employees. The company is classified under “engineering related scientific and technical consulting activities” and is based in Leatherhead; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- Leatherhead, London
- Age
- 66 yrs · since 1959
- 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: “Kellogg Brown & Root Holdings (U.K.) 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 2023 | 31 Dec 2024 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £293m | £361m |
| Cost of sales | £275m | £343m |
| Gross profit | £17.9m | £18.2m |
| Operating profit | −£10.2m | −£11.3m |
| Profit before tax | £243m | £131m |
| Profit after tax | £228m | £119m |
| Profit (best available) | £228m | £119m |
| Staff costs | £3.7m | £2.6m |
| Employees (average) | 16 | 14 |
| Ratios | ||
| Profit margin | 77.8% | 32.9% |
| Gross margin | 6.1% | 5.1% |
| Revenue per employee | £18.3m | £25.8m |
| Profit per employee | £14.3m | £8.5m |
| Growth (year on year) | ||
| Revenue growth | — | ▲23% |
| Profit growth | — | ▼47.9% |
| Headcount growth | — | ▼12.5% |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £38.8m | £6.6m |
| Net assets | £1.7bn | £1.2bn |
| Fixed assets | £1.1bn | £966m |
| Current assets | £1.3bn | £620m |
| Debtors | £41.5m | £43.3m |
| Deferred income | £25m | £27.1m |
| Source | full · bulk data Sep 2025 | full · bulk data Sep 2025 |
How the business works
- Profit margin
- 32.9%
- Profit ÷ revenue.
- Gross margin
- 5.1%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £25.8m
- Revenue ÷ average employees.
- Profit per employee
- £8.5m
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 267.7%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 7.5%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 12%
- 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
- ▼32%
- Now £1.2bn
- Cash at bank
- ▼83%
- Now £6.6m
- Headcount
- ▼13%
- Now 14
- Deferred income
- ▲9%
- Now £27.1m
- Fixed assets
- ▼10%
- Now £966m
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
- Kellogg Brown Root Holdings (U.K.) Limited (registered outside the UK register)ultimate parent75–100%
- Kellogg Brown & Root Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (14)
- Aspire Defence Services LimitedRev. £171m · Profit £13.8m
- Overseas Supply Services LimitedRev. £14.7m · Profit £1.7m
- Kellogg Brown & Root Projects LimitedRev. £0 · Profit £41.6k
- Aoc International LimitedFigures not disclosed
- Frazer-Nash Consultancy LimitedFigures not disclosed
- FTX Logistics LimitedFigures not disclosed
- Granherne LimitedFigures not disclosed
- KBR (Aspire Construction Ventures) Holdings No. 2 LimitedFigures not disclosed
- KBR (Aspire Construction) Holdings NO.2 LimitedFigures not disclosed
- KBR (Aspire Services Ventures) Holdings No. 2 LimitedFigures not disclosed
- KBR (Aspire Services) Holdings No. 2 LimitedFigures not disclosed
- KBR (U.K.) Investments LimitedFigures not disclosed
- Kellogg Brown & Root Overseas Projects LimitedFigures not disclosed
- Phoenix(UK) Fusion LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
Sources
Latest figures from full for the year to 31 Dec 2024 (profit £119m), from the Companies House accounts bulk data published Sep 2025. Spotted an error? Request a correction.
Updated from Companies House on 11 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.