Biggest companies in Reading 2026

Companies
580
Total revenue
£70.36bn
Total jobs
162,239

Biggest companies in Reading by revenue 2026

Top filers by latest reported turnover

# Company Revenue Employees
01 MICROSOFT LIMITED UK technology and software subsidiary £10.86bn 5,023
02 TELEFONICA UK LIMITED Mobile telecommunications network operator £5.25bn 5,375
03 THAMES WATER UTILITIES LIMITED Regulated water and wastewater utility £3.76bn 8,472
04 VIRGIN MEDIA LIMITED Broadband and telecommunications provider £3.41bn 10,510
05 WESTCOAST LIMITED B2B technology products distributor £3.33bn 935
06 HUTCHISON 3G UK LIMITED Mobile network operator £3.32bn 4,734
07 IQVIA LTD. registered office Clinical research and healthcare analytics £3.04bn 3,894
08 SSE ENERGY SUPPLY LIMITED registered office Commercial energy supplier £2.60bn 1,057
09 ORACLE CORPORATION UK LIMITED Enterprise software and cloud provider £2.35bn 2,489
10 AWE PLC State-owned nuclear weapons manufacturer £2.15bn —
11 HP INC UK LIMITED registered office UK subsidiary of HP Inc £1.66bn 750
12 PORSCHE CARS GREAT BRITAIN LIMITED £1.63bn 187

Biggest employers in Reading

Top filers by latest reported headcount

# Company Employees
01 VIRGIN MEDIA LIMITED Broadband and telecommunications provider 10,510
02 BAXTERSTOREY LIMITED registered office Contract catering and hospitality provider 9,168
03 THAMES WATER UTILITIES LIMITED Regulated water and wastewater utility 8,472
04 RESULTSCX UK LIMITED Customer experience and BPO provider 6,558
05 THALES UK LIMITED Aerospace and defence technology subsidiary 5,629
06 TELEFONICA UK LIMITED Mobile telecommunications network operator 5,375
07 MICROSOFT LIMITED UK technology and software subsidiary 5,023
08 HUTCHISON 3G UK LIMITED Mobile network operator 4,734
09 CATER LINK LIMITED registered office 4,419
10 IQVIA LTD. registered office Clinical research and healthcare analytics 3,894
11 PRACTICE PLUS GROUP HEALTH AND REHABILITATION SERVICES LIMITED group accounts Independent healthcare provider subsidiary 3,518
12 WALKERS SNACK FOODS LIMITED 3,330

Most profitable companies in Reading 2026

Top operating filers by latest pre-tax profit

# Company Pre-tax profit Employees
01 TELEFONICA UK LIMITED Mobile telecommunications network operator £2.39bn 5,375
02 MICROSOFT LIMITED UK technology and software subsidiary £890M 5,023
03 VIRGIN MEDIA LIMITED Broadband and telecommunications provider £361M 10,510
04 VERIZON UK LIMITED UK telecommunications subsidiary £273M 795
05 THAMES WATER UTILITIES LIMITED Regulated water and wastewater utility £226M 8,472
06 ALDERMORE BANK PLC £221M 1,331
07 SYMMETRY SERVICES (UK) LIMITED registered office £124M 135
08 ICON CLINICAL (UK) LIMITED UK clinical research subsidiary £85M 1,371
09 BOTTOMLINE TECHNOLOGIES LIMITED Financial technology and payments provider £74M 391
10 SOUTHERN ELECTRIC POWER DISTRIBUTION PLC registered office Electricity distribution network operator £74M 3,028
11 PEGASYSTEMS LIMITED registered office £70M 401
12 ORACLE CORPORATION UK LIMITED Enterprise software and cloud provider £66M 2,489

Best-paid boards in Reading

Highest directors' remuneration disclosed

# Company Directors' pay Employees
01 THAMES WATER UTILITIES LIMITED Regulated water and wastewater utility £49M 8,472
02 TELEFONICA UK LIMITED Mobile telecommunications network operator £12M 5,375
03 VIRGIN MEDIA LIMITED Broadband and telecommunications provider £12M 10,510
04 SOUTHERN ELECTRIC POWER DISTRIBUTION PLC registered office Electricity distribution network operator £8M 3,028
05 XPS PENSIONS CONSULTING LIMITED registered office £8M 664
06 ALDERMORE BANK PLC £5M 1,331
07 HUTCHISON 3G UK LIMITED Mobile network operator £5M 4,734
08 4COM GROUP LIMITED group accounts £4M 88
09 SSE GENERATION LIMITED registered office £4M 725
10 CONCORDE TOPCO LIMITED group accounts £4M 2,793
11 IQVIA LTD. registered office Clinical research and healthcare analytics £4M 3,894
12 THALES UK LIMITED Aerospace and defence technology subsidiary £4M 5,629

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 · Reading

82 of the companies we profile in Reading 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 TELEFONICA UK LIMITED Telecommunications £5.3bn -7% 5,375 31 Dec 2025
02 THAMES WATER UTILITIES LIMITED Utilities £3.8bn +37% 8,472 31 Mar 2026
03 VIRGIN MEDIA LIMITED Industrials £3.4bn -13% 10,510 31 Dec 2025
04 IQVIA LTD. Technology £3.0bn +1% 3,894 31 Dec 2025
05 CORNERSTONE TELECOMMUNICATIONS INFRASTRUCTURE LIMITED Telecommunications £484.1m +11% 325 31 Mar 2026
06 PEGASYSTEMS LIMITED Technology £459.5m +13% 401 31 Dec 2025
07 AVENTIS PHARMA LIMITED Consumer Discretionary £418.8m +1% 596 31 Dec 2025
08 EDEN AUTOMOTIVE INVESTMENTS LIMITED Industrials £297.0m -9% 597 31 Dec 2025
09 WAYLANDS AUTOMOTIVE LIMITED Consumer Discretionary £266.2m +34% 408 31 Dec 2025
10 SSE SERVICES PLC Industrials £254.4m +21% 2,676 31 Mar 2026

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