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Self-made — the youngest companies making the most profit

Under twelve years old and already highly profitable — the lean breakout businesses · 244 qualifying · snapshot 2026-06-01

# Company Industry ProfitAgeStaff
01 XTX MARKETS TECHNOLOGIES LIMITED Technology arm of algorithmic trading group Technology £2.28B 7 yrs 127
02 QUADRATURE CAPITAL LIMITED Quantitative hedge fund manager Financials £554M 11 yrs 173
03 CITADEL MANAGEMENT (EUROPE) II LIMITED Hedge fund management subsidiary Consumer Discretionary £530M 6 yrs 188
04 MSC CRUISE MANAGEMENT (UK) LIMITED UK management for MSC Cruises Industrials £527M 12 yrs 276
05 THE OFFICE GROUP LIMITED Consumer Discretionary £306M 4 yrs 129
06 CHIVAS BROTHERS INTERNATIONAL LIMITED Scotch whisky producer Industrials £282M 7 yrs 288
07 ENERGEAN PLC Technology £209M 9 yrs 369
08 UNIVERSAL STUDIOS LIMITED UK film and television distributor Consumer Discretionary £202M 12 yrs 116
09 CHEVRON INTERNATIONAL EXPLORATION AND PRODUCTION COMPANY LIMITED Industrials £197M 7 yrs 54
10 EASYJET HOLIDAYS LIMITED Package holiday tour operator Consumer Discretionary £190M 7 yrs 334
11 S&P GLOBAL RATINGS UK LIMITED Technology £179M 8 yrs 373
12 PINE WALK CAPITAL LIMITED Financials £157M 9 yrs 94
13 ELEVA CAPITAL PARTNERS (UK) LIMITED Financials £155M 9 yrs 61
14 WINTERMUTE TRADING LTD Technology £149M 9 yrs 82
15 BATOVI LLP Unclassified £148M 7 yrs 400
16 MWAM NORTH AMERICA LLP Unclassified £136M 6 yrs 194
17 INIGO LIMITED Financials £136M 6 yrs 213
18 SONA ASSET MANAGEMENT LIMITED Industrials £136M 10 yrs 81
19 WILLIAM GRANT & SONS BRANDS LIMITED Wholesale distributor for spirits group Consumer Discretionary £136M 12 yrs 238
20 ARAMCO TRADING LIMITED Financials £135M 7 yrs 78
21 BGF GROUP PLC Financials £131M 9 yrs 210
22 RECORDATI UK LTD Pharmaceutical wholesale and research subsidiary Consumer Discretionary £113M 12 yrs 74
23 RONTEC ROADSIDE RETAIL LIMITED Industrials £112M 12 yrs 134
24 WEIL, GOTSHAL & MANGES (LONDON) LLP Unclassified £110M 11 yrs 354
25 STARR INTERNATIONAL (EUROPE) LIMITED European non-life insurance subsidiary Financials £109M 11 yrs 359

All figures from each company's latest filed Companies House accounts; detailed filers only, with implausible outliers and scale artifacts excluded. Filed accounts lag the present by roughly 12–24 months, and group-vs-parent scope changes can move a figure between filings. Banks and insurers that don't report a turnover line are under-represented on the turnover-based boards.