Biggest companies in Slough 2026
- Companies
- 239
- Total revenue
- £19.69bn
- Total jobs
- 75,210
Biggest companies in Slough by revenue 2026
Top filers by latest reported turnover
| # | Company | Revenue | Employees |
|---|---|---|---|
| 01 | BFS GROUP LIMITED group accounts | £2.42bn | 3,973 |
| 02 | MARS WRIGLEY CONFECTIONERY UK LIMITED Chocolate and confectionery manufacturer | £1.63bn | 1,965 |
| 03 | LEASEPLAN UK LIMITED Vehicle leasing and fleet management | £1.31bn | 659 |
| 04 | RECKITT BENCKISER CORPORATE SERVICES LIMITED Corporate services subsidiary for Reckitt | £998M | 1,457 |
| 05 | MARS PETCARE UK Pet food manufacturer | £743M | 1,635 |
| 06 | KP SNACKS LIMITED | £687M | 2,367 |
| 07 | RB UK COMMERCIAL LIMITED | £624M | 383 |
| 08 | IMPERIAL CHEMICAL INDUSTRIES LIMITED AkzoNobel paint manufacturing subsidiary | £607M | 678 |
| 09 | LEGO COMPANY LIMITED | £602M | 1,781 |
| 10 | AKZO NOBEL ICI HOLDINGS group accounts | £500M | — |
| 11 | CONTINENTAL TYRE GROUP LTD. group accounts registered office | £369M | 206 |
| 12 | TOYOTA MATERIAL HANDLING UK LIMITED | £352M | 979 |
Biggest employers in Slough
Top filers by latest reported headcount
| # | Company | Employees |
|---|---|---|
| 01 | ATLAS FM PAYROLL LIMITED | 11,725 |
| 02 | BFS GROUP LIMITED group accounts | 3,973 |
| 03 | DNATA LIMITED | 2,645 |
| 04 | KP SNACKS LIMITED | 2,367 |
| 05 | 3663 TRANSPORT LIMITED | 2,051 |
| 06 | IRIS CAPITAL LIMITED | 2,000 |
| 07 | MARS WRIGLEY CONFECTIONERY UK LIMITED Chocolate and confectionery manufacturer | 1,965 |
| 08 | LEGO COMPANY LIMITED | 1,781 |
| 09 | MARS PETCARE UK Pet food manufacturer | 1,635 |
| 10 | PRIORY CC112 LIMITED registered office | 1,563 |
| 11 | RECKITT BENCKISER CORPORATE SERVICES LIMITED Corporate services subsidiary for Reckitt | 1,457 |
| 12 | LONZA BIOLOGICS PLC | 1,416 |
Most profitable companies in Slough 2026
Top operating filers by latest pre-tax profit
| # | Company | Pre-tax profit | Employees |
|---|---|---|---|
| 01 | RECKITT BENCKISER HEALTHCARE (UK) LIMITED Consumer healthcare products manufacturer | £323M | 751 |
| 02 | IRIS SOFTWARE LIMITED Business management software provider | £172M | 396 |
| 03 | IMPERIAL CHEMICAL INDUSTRIES LIMITED AkzoNobel paint manufacturing subsidiary | £165M | 678 |
| 04 | KP SNACKS LIMITED | £130M | 2,367 |
| 05 | MARS WRIGLEY CONFECTIONERY UK LIMITED Chocolate and confectionery manufacturer | £109M | 1,965 |
| 06 | BFS GROUP LIMITED group accounts | £81M | 3,973 |
| 07 | MARS PETCARE UK Pet food manufacturer | £74M | 1,635 |
| 08 | LEGO COMPANY LIMITED | £46M | 1,781 |
| 09 | RB UK COMMERCIAL LIMITED | £42M | 383 |
| 10 | LONZA BIOLOGICS PLC | £33M | 1,416 |
| 11 | BIDCORP FOODSERVICE (EUROPE) LIMITED | £29M | 15 |
| 12 | JOHN CRANE UK LIMITED | £28M | 481 |
Best-paid boards in Slough
Highest directors' remuneration disclosed
| # | Company | Directors' pay | Employees |
|---|---|---|---|
| 01 | BFS GROUP LIMITED group accounts | £3M | 3,973 |
| 02 | MARS WRIGLEY CONFECTIONERY UK LIMITED Chocolate and confectionery manufacturer | £3M | 1,965 |
| 03 | MARS PETCARE UK Pet food manufacturer | £2M | 1,635 |
| 04 | REDWOOD SOFTWARE UK LTD | £2M | 67 |
| 05 | THE SCHELWOOD TRUST | £2M | 204 |
| 06 | KP SNACKS LIMITED | £2M | 2,367 |
| 07 | THE SLOUGH AND EAST BERKSHIRE C OF E MULTI ACADEMY TRUST | £2M | 636 |
| 08 | RB UK COMMERCIAL LIMITED | £1M | 383 |
| 09 | SUNBEAM FOSTERING GROUP LIMITED group accounts | £1M | 131 |
| 10 | JOHN CRANE UK LIMITED | £1M | 481 |
| 11 | PIONEER EDUCATIONAL TRUST | £1M | 281 |
| 12 | 3663 TRANSPORT LIMITED | £1M | 2,051 |
Directors' remuneration as disclosed in filed accounts. Group filings may report key-management-personnel compensation, which is broader than the board; LLP members' profit share is excluded. Treat as "highest disclosed", not a like-for-like board ranking.
Filed accounts in October 2026 · Slough
41 of the companies we profile in Slough filed a new set of accounts in the month to 1 Oct 2026 — the biggest by turnover. Whole register →
| # | Company | Turnover | YoY | Employees | Year to |
|---|---|---|---|---|---|
| 01 | MARS WRIGLEY CONFECTIONERY UK LIMITED Consumer Staples | £1.6bn | +5% | 1,965 | 27 Dec 2025 |
| 02 | MARS PETCARE UK Consumer Staples | £743.1m | -5% | 1,635 | 27 Dec 2025 |
| 03 | KP SNACKS LIMITED Consumer Staples | £686.7m | +5% | 2,367 | 27 Dec 2025 |
| 04 | LEGO COMPANY LIMITED Consumer Discretionary | £602.4m | +20% | 1,781 | 31 Dec 2025 |
| 05 | TOYOTA MATERIAL HANDLING UK LIMITED Consumer Discretionary | £351.9m | +11% | 979 | 31 Mar 2026 |
| 06 | CIRCET (UK) LIMITED Industrials | £282.5m | +11% | 965 | 31 Dec 2025 |
| 07 | RECKITT BENCKISER HEALTHCARE (UK) LIMITED Basic Materials | £244.1m | +4% | 751 | 31 Dec 2025 |
| 08 | RECKITT BENCKISER HEALTHCARE INTERNATIONAL LIMITED Basic Materials | £203.7m | -7% | 764 | 31 Dec 2025 |
| 09 | MARS FOOD UK LIMITED Consumer Staples | £202.3m | +3% | 265 | 27 Dec 2025 |
| 10 | ATLAS FM PAYROLL LIMITED Industrials | £183.0m | — | 11,725 | 31 Dec 2025 |
Companies ranked from their latest filed accounts at registered offices in Slough. Registered office is where a company files, which is not always where it trades — see the badges. Implausible outliers are excluded. Snapshot from Companies House.