Biggest companies in Hounslow 2026

Companies
57
Total revenue
£6.92bn
Total jobs
30,263

HEATHROW AIRPORT LIMITED alone accounts for ~51% of the revenue reported here — a single group's national accounts booked to its registered office.

Biggest companies in Hounslow by revenue 2026

Top filers by latest reported turnover

# Company Revenue Employees
01 HEATHROW AIRPORT LIMITED Operator of London Heathrow Airport £3.55bn 7,769
02 MARSH WALL LIMITED £493M 559
03 BRIGHTSUN TRAVEL (UK) LIMITED Travel agency and flight broker £422M 34
04 DO & CO. EVENT & AIRLINE CATERING LIMITED £355M 1,923
05 ABM FACILITY SERVICES UK LIMITED Integrated facilities management provider £227M 5,494
06 SCHENKER LIMITED £200M 1,026
07 ABM AVIATION UK LIMITED £156M 4,371
08 WORLDWIDE FLIGHT SERVICES LIMITED £109M 506
09 IAG CARGO LIMITED £102M 588
10 HOTEL CO 51 UK LIMITED £101M 496
11 HEATHROW EXPRESS OPERATING COMPANY LIMITED £95M 136
12 ASPIRATIONS ACADEMIES TRUST £75M 928

Biggest employers in Hounslow

Top filers by latest reported headcount

Most profitable companies in Hounslow 2026

Top operating filers by latest pre-tax profit

# Company Pre-tax profit Employees
01 LHR AIRPORTS LIMITED £718M 23
02 HEATHROW AIRPORT LIMITED Operator of London Heathrow Airport £621M 7,769
03 ENVOL INVESTMENTS LIMITED £151M 10
04 DO & CO. EVENT & AIRLINE CATERING LIMITED £32M 1,923
05 GROVE HR LIMITED £14M 522
06 ABM FACILITY SERVICES UK LIMITED Integrated facilities management provider £14M 5,494
07 HOTEL CO 51 UK LIMITED £10M 496
08 ABM AVIATION UK LIMITED £9M 4,371
09 WORLDWIDE FLIGHT SERVICES LIMITED £9M 506
10 HEATHROW EXPRESS OPERATING COMPANY LIMITED £7M 136
11 MERIDIAN HOTEL OPERATIONS LIMITED £6M 360
12 COBALT GROUND SOLUTIONS LIMITED £5M 968

Best-paid boards in Hounslow

Highest directors' remuneration disclosed

# Company Directors' pay Employees
01 HEATHROW AIRPORT LIMITED Operator of London Heathrow Airport £2M 7,769
02 IAG CARGO LIMITED £2M 588
03 SCHENKER LIMITED £1M 1,026
04 ABM FACILITY SERVICES UK LIMITED Integrated facilities management provider £891,000 5,494
05 ENVOL INVESTMENTS LIMITED £747,328 10
06 ASPIRATIONS ACADEMIES TRUST £505,000 928
07 WORLDWIDE FLIGHT SERVICES LIMITED £411,337 506
08 HAECO GLOBAL ENGINE SUPPORT LTD £384,295 80
09 MARSH WALL LIMITED £384,219 559
10 BROWN & BURK UK LIMITED £381,562 20
11 HEATHROW EXPRESS OPERATING COMPANY LIMITED £345,000 136
12 COURIER FACILITIES LIMITED £270,565 68

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 · Hounslow

12 of the companies we profile in Hounslow 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 MARSH WALL LIMITED Consumer Discretionary £492.5m +11% 559 31 Dec 2025
02 HEATHROW EXPRESS OPERATING COMPANY LIMITED Industrials £95.4m -1% 136 31 Dec 2025
03 GROVE HR LIMITED Consumer Discretionary £65.7m +25% 522 31 Mar 2026
04 MERIDIAN HOTEL OPERATIONS LIMITED Consumer Discretionary £64.2m +6% 360 31 Mar 2026
05 COBALT GROUND SOLUTIONS LIMITED Industrials £59.8m +11% 968 31 Dec 2025
06 G3 WORLDWIDE MAIL (UK) LIMITED Industrials £39.5m +20% 70 31 Dec 2025
07 MLECZKO DELIKATESY LIMITED Consumer Staples £32.8m -7% 347 28 Dec 2025
08 ARORA INVESTMENTS LIMITED Industrials £12.1m +1% 0 31 Mar 2026
09 COURIER FACILITIES LIMITED Industrials £8.3m +27% 68 31 Dec 2025
10 LHR AIRPORTS LIMITED Consumer Discretionary £8.0m -11% 23 31 Dec 2025

Companies ranked from their latest filed accounts at registered offices in Hounslow. 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.