Biggest companies in London 2026
- Companies
- 24,761
- Total revenue
- £1.59tn
- Total jobs
- 5,364,040
Biggest companies in London by revenue 2026
Top filers by latest reported turnover
| # | Company | Revenue | Employees |
|---|---|---|---|
| 01 | SAINSBURY'S SUPERMARKETS LTD Major UK supermarket operator | £28.54bn | 130,800 |
| 02 | BAE SYSTEMS PLC Listed aerospace and defence contractor | £28.34bn | 107,300 |
| 03 | ROLLS-ROYCE PLC Aerospace and defence engine manufacturer | £21.21bn | 42,600 |
| 04 | BRITISH TELECOMMUNICATIONS LIMITED Telecommunications and broadband provider | £19.65bn | 84,000 |
| 05 | PHILLIPS 66 LIMITED registered office Downstream oil and gas subsidiary | £18.54bn | 959 |
| 06 | MARKS AND SPENCER GROUP P.L.C. group accounts Listed clothing and food retailer | £17.27bn | 73,900 |
| 07 | CHANEL LIMITED Global luxury fashion house | £14.30bn | 38,045 |
| 08 | VEDANTA RESOURCES LIMITED registered office Diversified mining and energy group | £14.08bn | — |
| 09 | ANGLO AMERICAN PLC Multinational mining group | £13.76bn | 43,000 |
| 10 | EDF ENERGY CUSTOMERS LIMITED Electricity and gas supplier | £13.05bn | 3,631 |
| 11 | NETWORK RAIL INFRASTRUCTURE LIMITED British railway infrastructure operator | £11.86bn | 42,378 |
| 12 | JOHN LEWIS PLC Department store and supermarket retailer | £11.72bn | 65,700 |
Biggest employers in London
Top filers by latest reported headcount
| # | Company | Employees |
|---|---|---|
| 01 | G4S LIMITED registered office Multinational private security company | 425,321 |
| 02 | SAINSBURY'S SUPERMARKETS LTD Major UK supermarket operator | 130,800 |
| 03 | ROYAL MAIL GROUP LIMITED group accounts British postal and courier service | 126,811 |
| 04 | BAE SYSTEMS PLC Listed aerospace and defence contractor | 107,300 |
| 05 | BRITISH TELECOMMUNICATIONS LIMITED Telecommunications and broadband provider | 84,000 |
| 06 | JOB AND TALENT HOLDING LIMITED registered office UK holdco for staffing platform | 79,147 |
| 07 | MARKS AND SPENCER GROUP P.L.C. group accounts Listed clothing and food retailer | 73,900 |
| 08 | AMAZON UK SERVICES LTD. E-commerce business support services | 66,323 |
| 09 | JOHN LEWIS PLC Department store and supermarket retailer | 65,700 |
| 10 | WAITROSE LIMITED British supermarket chain | 44,900 |
| 11 | ANGLO AMERICAN PLC Multinational mining group | 43,000 |
| 12 | ROLLS-ROYCE PLC Aerospace and defence engine manufacturer | 42,600 |
Most profitable companies in London 2026
Top operating filers by latest pre-tax profit
| # | Company | Pre-tax profit | Employees |
|---|---|---|---|
| 01 | ROLLS-ROYCE PLC Aerospace and defence engine manufacturer | £6.93bn | 42,600 |
| 02 | 3I GROUP PLC group accounts Listed private equity and infrastructure investor | £5.29bn | 216 |
| 03 | BARCLAYS BANK UK PLC registered office Ring-fenced UK retail bank | £3.33bn | 18,000 |
| 04 | CHANEL LIMITED Global luxury fashion house | £3.25bn | 38,045 |
| 05 | GOLDMAN SACHS INTERNATIONAL registered office UK investment banking subsidiary | £2.71bn | 3,637 |
| 06 | BAE SYSTEMS PLC Listed aerospace and defence contractor | £2.57bn | 107,300 |
| 07 | ANTOFAGASTA PLC FTSE 100 copper mining group | £2.34bn | 7,213 |
| 08 | XTX MARKETS TECHNOLOGIES LIMITED Technology arm of algorithmic trading group | £2.28bn | 127 |
| 09 | BRITISH TELECOMMUNICATIONS LIMITED Telecommunications and broadband provider | £2.06bn | 84,000 |
| 10 | CHEVRON ENERGY LIMITED | £2.05bn | 474 |
| 11 | BRITISH AMERICAN TOBACCO EXPORTS LIMITED Tobacco product manufacturing subsidiary | £2.00bn | 296 |
| 12 | EE LIMITED Mobile network and broadband provider | £1.83bn | 16,843 |
Best-paid boards in London
Highest directors' remuneration disclosed
| # | Company | Directors' pay | Employees |
|---|---|---|---|
| 01 | CINVEN LIMITED | £114M | 201 |
| 02 | THE LINE ART WALK | £72M | 13 |
| 03 | HIKMA PHARMACEUTICALS PUBLIC LIMITED COMPANY Multinational generic pharmaceutical manufacturer | £44M | 9,603 |
| 04 | C. HOARE & CO. | £41M | 584 |
| 05 | CHANEL LIMITED Global luxury fashion house | £34M | 38,045 |
| 06 | BAE SYSTEMS PLC Listed aerospace and defence contractor | £32M | 107,300 |
| 07 | CONVATEC GROUP PLC group accounts FTSE 100 medical device manufacturer | £26M | 10,903 |
| 08 | VINTED LIMITED registered office Online second-hand fashion marketplace | £25M | 2,215 |
| 09 | ALPHA GROUP INTERNATIONAL LIMITED group accounts registered office | £24M | 593 |
| 10 | H. CLARKSON & COMPANY LIMITED | £23M | 401 |
| 11 | QUADRATURE CAPITAL LIMITED registered office Quantitative hedge fund manager | £23M | 173 |
| 12 | PROJECT COMO TOPCO LIMITED group accounts PE-backed logistics holding company | £22M | 1,255 |
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 · London
5,544 of the companies we profile in London 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 | MARKS AND SPENCER P.L.C. Consumer Discretionary | £13.7bn | — | 67,478 | 28 Mar 2026 |
| 02 | VERTEX PHARMACEUTICALS (EUROPE) LIMITED Industrials | £9.5bn | -6% | 735 | 31 Dec 2025 |
| 03 | BP GAS MARKETING LIMITED Energy | £7.5bn | -45% | 0 | 31 Dec 2025 |
| 04 | ANTOFAGASTA PLC Basic Materials | £6.4bn | +22% | 7,213 | 12 Aug 2026 |
| 05 | GALLAHER LIMITED Consumer Staples | £4.4bn | -6% | 573 | 31 Dec 2025 |
| 06 | HARBOUR ENERGY MARKETING LIMITED Energy | £3.7bn | +439% | 0 | 31 Dec 2025 |
| 07 | TOYOTA(G.B.) PLC Consumer Discretionary | £3.4bn | -4% | 277 | 31 Mar 2026 |
| 08 | QUBE RESEARCH & TECHNOLOGIES LIMITED Financials | £2.9bn | +28% | 1,336 | 31 Dec 2025 |
| 09 | THE SHELL COMPANY OF THAILAND LIMITED Consumer Discretionary | £2.6bn | -2% | 476 | 31 Dec 2025 |
| 10 | MONDELEZ UK LIMITED Industrials | £2.6bn | +5% | 566 | 31 Dec 2025 |
Companies ranked from their latest filed accounts at registered offices in London. 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.