United Kingdom

Top 1000 largest UK Companies by Market Cap

This is the list of the largest public listed companies from the United Kingdom by market capitalization with links to their reference stock, sector and industry.

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Top Companies from the United Kingdom as of Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
391 The PRS REIT plc $807.9 M United Kingdom UK Real Estate UK REIT—Residential
392 Avon Rubber plc $805.9 M United Kingdom UK Industrials UK Aerospace & Defense
393 Henderson Smaller Companies Investment Trust $802.9 M United Kingdom UK Financials UK Asset Management
394 Renewi plc $802.8 M

(Jan. 1, 2025)

 United Kingdom UK Industrials UK Waste Management
395 Bluefield Solar Income Fund Limited $799.7 M United Kingdom UK Financials UK Asset Management
396 ITM Power plc $796.9 M United Kingdom UK Technology UK Electronic Components
397 Auction Technology Group plc $792.4 M United Kingdom UK Technology UK Software—Application
398 VinaCapital Vietnam Opportunity Fund Limited $791.5 M United Kingdom UK Financials UK Asset Management
399 Judges Scientific plc $791.5 M United Kingdom UK Technology UK Scientific & Technical Instruments
400 PayPoint plc $790.6 M United Kingdom UK Technology UK Information Technology Services
401 Ibstock plc $786.7 M United Kingdom UK Basic Materials UK Building Materials
402 Draper Esprit plc $785.7 M United Kingdom UK Financials UK Asset Management
403 Syncona Limited $783.0 M United Kingdom UK Financials UK Asset Management
404 Goodwin plc $778.4 M United Kingdom UK Industrials UK Specialty Industrial Machinery
405 GB Group plc $777.5 M United Kingdom UK Technology UK Software—Application
406 Princess Private Equity Holding Limited $776.7 M United Kingdom UK Financials UK Asset Management
407 Boussard & Gavaudan Holdings EUR $775.9 M

(July 1, 2024)

 United Kingdom UK Financials UK Asset Management
408 Merian Chrysalis Investment Co., Ltd. $775.2 M United Kingdom UK Financials UK Asset Management
409 BlackRock Greater Europe Investment Trust plc $773.2 M United Kingdom UK Financials UK Asset Management
410 Panariagroup Industrie Ceramiche SpA $770.3 M United Kingdom UK Technology UK Software—Infrastructure
411 BlackRock Smaller Companies Trust $763.2 M United Kingdom UK Financials UK Asset Management
412 AO World plc $762.9 M United Kingdom UK Consumer Discretionary UK Internet Retail
413 Octopus Titan VCT plc $759.1 M United Kingdom UK Financials UK Asset Management
414 Aberdeen Income Credit Strategies Fund $746.6 M United Kingdom UK Financials UK Asset Management
415 The Go-Ahead Group plc $745.3 M

(Oct. 1, 2022)

 United Kingdom UK Industrials UK Railroads
416 BMO Commercial Property Trust $744.6 M

(July 1, 2024)

 United Kingdom UK Financials UK Asset Management
417 FD Technologies plc $744.1 M United Kingdom UK Technology UK Information Technology Services
418 RPS Group plc $742.2 M

(Jan. 1, 2023)

 United Kingdom UK Industrials UK Consulting Services
419 Stagecoach Group plc $740.2 M

(June 1, 2022)

 United Kingdom UK Industrials UK Railroads
420 Arrow Global Group plc $738.1 M

(Oct. 1, 2021)

 United Kingdom UK Financials UK Asset Management

Top Companies from the United Kingdom as of Jul. 01, 2025

391. The PRS REIT plc

Company Profile: The PRS REIT plc
Market Cap (USD): $807.9 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Residential

392. Avon Rubber plc

Company Profile: Avon Rubber plc
Market Cap (USD): $805.9 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

393. Henderson Smaller Companies Investment Trust

Company Profile: Henderson Smaller Companies Investment Trust
Market Cap (USD): $802.9 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

394. Renewi plc

Company Profile: Renewi plc
Market Cap (USD): $802.8 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Waste Management

395. Bluefield Solar Income Fund Limited

Company Profile: Bluefield Solar Income Fund Limited
Market Cap (USD): $799.7 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

396. ITM Power plc

Company Profile: ITM Power plc
Market Cap (USD): $796.9 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

397. Auction Technology Group plc

Company Profile: Auction Technology Group plc
Market Cap (USD): $792.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

398. VinaCapital Vietnam Opportunity Fund Limited

Company Profile: VinaCapital Vietnam Opportunity Fund Limited
Market Cap (USD): $791.5 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

399. Judges Scientific plc

Company Profile: Judges Scientific plc
Market Cap (USD): $791.5 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

400. PayPoint plc

Company Profile: PayPoint plc
Market Cap (USD): $790.6 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

401. Ibstock plc

Company Profile: Ibstock plc
Market Cap (USD): $786.7 M
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Building Materials

402. Draper Esprit plc

Company Profile: Draper Esprit plc
Market Cap (USD): $785.7 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

403. Syncona Limited

Company Profile: Syncona Limited
Market Cap (USD): $783.0 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

404. Goodwin plc

Company Profile: Goodwin plc
Market Cap (USD): $778.4 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

405. GB Group plc

Company Profile: GB Group plc
Market Cap (USD): $777.5 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

406. Princess Private Equity Holding Limited

Company Profile: Princess Private Equity Holding Limited
Market Cap (USD): $776.7 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

407. Boussard & Gavaudan Holdings EUR

Company Profile: Boussard & Gavaudan Holdings EUR
Market Cap (USD): $775.9 M (July 1, 2024)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

408. Merian Chrysalis Investment Co., Ltd.

Company Profile: Merian Chrysalis Investment Co., Ltd.
Market Cap (USD): $775.2 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

409. BlackRock Greater Europe Investment Trust plc

Company Profile: BlackRock Greater Europe Investment Trust plc
Market Cap (USD): $773.2 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

410. Panariagroup Industrie Ceramiche SpA

Company Profile: Panariagroup Industrie Ceramiche SpA
Market Cap (USD): $770.3 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

411. BlackRock Smaller Companies Trust

Company Profile: BlackRock Smaller Companies Trust
Market Cap (USD): $763.2 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

412. AO World plc

Company Profile: AO World plc
Market Cap (USD): $762.9 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Internet Retail

413. Octopus Titan VCT plc

Company Profile: Octopus Titan VCT plc
Market Cap (USD): $759.1 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

414. Aberdeen Income Credit Strategies Fund

Company Profile: Aberdeen Income Credit Strategies Fund
Market Cap (USD): $746.6 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

415. The Go-Ahead Group plc

Company Profile: The Go-Ahead Group plc
Market Cap (USD): $745.3 M (Oct. 1, 2022)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Railroads

416. BMO Commercial Property Trust

Company Profile: BMO Commercial Property Trust
Market Cap (USD): $744.6 M (July 1, 2024)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

417. FD Technologies plc

Company Profile: FD Technologies plc
Market Cap (USD): $744.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

418. RPS Group plc

Company Profile: RPS Group plc
Market Cap (USD): $742.2 M (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

419. Stagecoach Group plc

Company Profile: Stagecoach Group plc
Market Cap (USD): $740.2 M (June 1, 2022)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Railroads

420. Arrow Global Group plc

Company Profile: Arrow Global Group plc
Market Cap (USD): $738.1 M (Oct. 1, 2021)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

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