Biggest companies in Sutton 2026
- Companies
- 59
- Total revenue
- £3.79bn
- Total jobs
- 14,607
SUBSEA 7 INTERNATIONAL CONTRACTING LIMITED alone accounts for ~21% of the revenue reported here — a single group's national accounts booked to its registered office.
Biggest companies in Sutton by revenue 2026
Top filers by latest reported turnover
| # | Company | Revenue | Employees |
|---|---|---|---|
| 01 | SUBSEA 7 INTERNATIONAL CONTRACTING LIMITED Subsea engineering and construction subsidiary | £794M | 52 |
| 02 | IMCD UK LIMITED | £330M | 224 |
| 03 | HARVEY & THOMPSON LIMITED | £311M | 1,642 |
| 04 | FAERCH LONDON LIMITED | £165M | 72 |
| 05 | G4S CASH SOLUTIONS (UK) LIMITED Cash management and transit provider | £112M | 1,813 |
| 06 | SEAWAY 7 UK LIMITED | £93M | 0 |
| 07 | ORCHARD HILL COLLEGE ACADEMY TRUST | £89M | 1,384 |
| 08 | SMITH AND BYFORD LIMITED | £59M | 438 |
| 09 | LEO ACADEMY TRUST | £49M | 715 |
| 10 | SALE SERVICE AND MAINTENANCE LTD. | £47M | 76 |
| 11 | J DEVINE CIVIL ENGINEERING LTD | £44M | 27 |
| 12 | O&3 LIMITED | £40M | 80 |
Biggest employers in Sutton
Top filers by latest reported headcount
| # | Company | Employees |
|---|---|---|
| 01 | GREENSHAW LEARNING TRUST | 4,006 |
| 02 | G4S CASH SOLUTIONS (UK) LIMITED Cash management and transit provider | 1,813 |
| 03 | HARVEY & THOMPSON LIMITED | 1,642 |
| 04 | ORCHARD HILL COLLEGE ACADEMY TRUST | 1,384 |
| 05 | LEO ACADEMY TRUST | 715 |
| 06 | GIRLS' LEARNING TRUST | 444 |
| 07 | SMITH AND BYFORD LIMITED | 438 |
| 08 | THE WILLOW LEARNING TRUST | 340 |
| 09 | A24 GROUP LIMITED group accounts | 325 |
| 10 | ALTERNATIVE LEARNING TRUST | 228 |
| 11 | IMCD UK LIMITED | 224 |
| 12 | GCC FACILITIES MANAGEMENT LTD | 209 |
Most profitable companies in Sutton 2026
Top operating filers by latest pre-tax profit
| # | Company | Pre-tax profit | Employees |
|---|---|---|---|
| 01 | SUBSEA 7 INTERNATIONAL CONTRACTING LIMITED Subsea engineering and construction subsidiary | £51M | 52 |
| 02 | HARVEY & THOMPSON LIMITED | £36M | 1,642 |
| 03 | IMCD UK LIMITED | £29M | 224 |
| 04 | LEO ACADEMY TRUST | £16M | 715 |
| 05 | G4S CASH CENTRES (UK) LIMITED | £11M | 584 |
| 06 | SMITH AND BYFORD LIMITED | £6M | 438 |
| 07 | O&3 LIMITED | £6M | 80 |
| 08 | FAERCH LONDON LIMITED | £3M | 72 |
| 09 | J DEVINE CIVIL ENGINEERING LTD | £2M | 27 |
| 10 | DESIGNPLAN LIGHTING LIMITED | £2M | 127 |
| 11 | W M WALSH SURFACING LIMITED | £2M | 93 |
| 12 | TURNPOWER SERVICES LIMITED | £2M | 171 |
Best-paid boards in Sutton
Highest directors' remuneration disclosed
| # | Company | Directors' pay | Employees |
|---|---|---|---|
| 01 | HARVEY & THOMPSON LIMITED | £4M | 1,642 |
| 02 | SUBSEA 7 INTERNATIONAL CONTRACTING LIMITED Subsea engineering and construction subsidiary | £2M | 52 |
| 03 | SALE SERVICE AND MAINTENANCE LTD. | £2M | 76 |
| 04 | SUTTON GRAMMAR SCHOOL TRUST | £900,570 | 121 |
| 05 | LEO ACADEMY TRUST | £805,689 | 715 |
| 06 | ELECTRIC SEA RACING LIMITED | £656,211 | 36 |
| 07 | IMCD UK LIMITED | £650,000 | 224 |
| 08 | J DEVINE CIVIL ENGINEERING LTD | £641,378 | 27 |
| 09 | DESIGNPLAN LIGHTING LIMITED | £630,318 | 127 |
| 10 | THE CIVIL SERVICE BENEVOLENT FUND | £503,198 | 69 |
| 11 | DEVINE HOMES PLC | £444,955 | 15 |
| 12 | W M WALSH SURFACING LIMITED | £426,432 | 93 |
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 · Sutton
11 of the companies we profile in Sutton 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 | SUBSEA 7 INTERNATIONAL CONTRACTING LIMITED Industrials | £793.7m | +0% | 52 | 31 Dec 2025 |
| 02 | SUBSEA 7 ENGINEERING LIMITED Industrials | £466.4m | +34% | 0 | 31 Dec 2025 |
| 03 | SUBSEA 7 OFFSHORE RESOURCES (UK) LIMITED Energy | £181.6m | +10% | 0 | 31 Dec 2025 |
| 04 | FAERCH LONDON LIMITED Consumer Discretionary | £164.7m | -1% | 72 | 31 Dec 2025 |
| 05 | SEAWAY 7 UK LIMITED Industrials | £93.2m | +125% | 0 | 31 Dec 2025 |
| 06 | SALE GROUP LIMITED Unclassified | £47.0m | +11% | 76 | 31 Dec 2025 |
| 07 | SALE SERVICE AND MAINTENANCE LTD. Industrials | £47.0m | +11% | 76 | 31 Dec 2025 |
| 08 | TURNPOWER SERVICES LIMITED Industrials | £22.9m | +22% | 171 | 31 Dec 2025 |
| 09 | SIEM OIL SERVICE INVEST HOLDINGS LIMITED Industrials | £19.1m | +53% | 0 | 31 Dec 2025 |
| 10 | DESIGNPLAN LIGHTING LIMITED Industrials | £17.8m | -12% | 127 | 31 Dec 2025 |
Companies ranked from their latest filed accounts at registered offices in Sutton. 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.