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 Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
481 Custodian REIT Ord $514.1 M United Kingdom UK Real Estate UK REIT—Diversified
482 Picton Property Income Limited $506.3 M United Kingdom UK Real Estate UK REIT—Diversified
483 Polar Capital Global Financials Trust $505.0 M United Kingdom UK Financials UK Asset Management
484 Restore plc $500.0 M United Kingdom UK Industrials UK Specialty Business Services
485 Investindustrial Acquisition Corp. $499.1 M

(Dec. 1, 2021)

 United Kingdom UK Financials UK Shell Companies
486 Autolus Therapeutics plc $497.7 M United Kingdom UK Healthcare UK Biotechnology
487 Crest Nicholson Holdings plc $497.5 M United Kingdom UK Consumer Discretionary UK Residential Construction
488 Dunedin Income Growth Investment Trust $496.2 M United Kingdom UK Financials UK Asset Management
489 Wincanton plc $494.7 M

(Jan. 1, 2024)

 United Kingdom UK Industrials UK Integrated Freight & Logistics
490 Cerillion plc $486.4 M United Kingdom UK Technology UK Software—Application
491 Foresight Solar Fund Limited $483.9 M United Kingdom UK Financials UK Asset Management
492 Impellam Group plc $482.0 M

(Jan. 1, 2024)

 United Kingdom UK Industrials UK Staffing & Employment Services
493 Funding Circle Holdings plc $477.5 M United Kingdom UK Financials UK Credit Services
494 Aberdeen New India Investment Trust plc $476.2 M United Kingdom UK Financials UK Asset Management
495 Mountview Estates plc $475.8 M United Kingdom UK Real Estate UK Real Estate Services
496 Lowland Investment Company plc $475.2 M United Kingdom UK Financials UK Asset Management
497 Marlowe plc $473.9 M

(July 1, 2025)

 United Kingdom UK Industrials UK Security & Protection Services
498 Numis Corporation plc $465.4 M

(July 1, 2023)

 United Kingdom UK Financials UK Capital Markets
499 Bicycle Therapeutics plc $463.4 M United Kingdom UK Healthcare UK Biotechnology
500 General Accident plc $461.0 M

(Jan. 1, 2025)

 United Kingdom UK Financials UK Insurance—Property & Casualty
501 European Assets Trust plc $460.4 M

(July 1, 2025)

 United Kingdom UK Financials UK Asset Management
502 ASOS plc $459.7 M United Kingdom UK Consumer Discretionary UK Internet Retail
503 Nichols plc $458.6 M United Kingdom UK Consumer Staples UK Beverages—Non-Alcoholic
504 FRP Advisory Group plc $457.1 M United Kingdom UK Financials UK Capital Markets
505 BlackRock Frontiers Investment Trust plc $456.0 M United Kingdom UK Financials UK Asset Management
506 CQS New City High Yield Fund Limited $455.4 M United Kingdom UK Financials UK Asset Management
507 Impact Healthcare Reit plc $454.0 M

(Jan. 1, 2025)

 United Kingdom UK Real Estate UK REIT—Diversified
508 Lok'nStore Group plc $449.3 M

(July 1, 2024)

 United Kingdom UK Real Estate UK Real Estate Services
509 IDE Group Holdings plc $448.5 M

(Jan. 1, 2023)

 United Kingdom UK Technology UK Information Technology Services
510 Hyve Group plc $446.9 M

(May 1, 2023)

 United Kingdom UK Industrials UK Specialty Business Services

Top Companies from the United Kingdom as of Jan. 01, 2026

481. Custodian REIT Ord

Company Profile: Custodian REIT Ord
Market Cap (USD): $514.1 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Diversified

482. Picton Property Income Limited

Company Profile: Picton Property Income Limited
Market Cap (USD): $506.3 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Diversified

483. Polar Capital Global Financials Trust

Company Profile: Polar Capital Global Financials Trust
Market Cap (USD): $505.0 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

484. Restore plc

Company Profile: Restore plc
Market Cap (USD): $500.0 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

485. Investindustrial Acquisition Corp.

Company Profile: Investindustrial Acquisition Corp.
Market Cap (USD): $499.1 M (Dec. 1, 2021)
Country: United Kingdom
Sector: UK Financials
Industry: UK Shell Companies

486. Autolus Therapeutics plc

Company Profile: Autolus Therapeutics plc
Market Cap (USD): $497.7 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

487. Crest Nicholson Holdings plc

Company Profile: Crest Nicholson Holdings plc
Market Cap (USD): $497.5 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Residential Construction

488. Dunedin Income Growth Investment Trust

Company Profile: Dunedin Income Growth Investment Trust
Market Cap (USD): $496.2 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

489. Wincanton plc

Company Profile: Wincanton plc
Market Cap (USD): $494.7 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Integrated Freight & Logistics

490. Cerillion plc

Company Profile: Cerillion plc
Market Cap (USD): $486.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

491. Foresight Solar Fund Limited

Company Profile: Foresight Solar Fund Limited
Market Cap (USD): $483.9 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

492. Impellam Group plc

Company Profile: Impellam Group plc
Market Cap (USD): $482.0 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Staffing & Employment Services

493. Funding Circle Holdings plc

Company Profile: Funding Circle Holdings plc
Market Cap (USD): $477.5 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Credit Services

494. Aberdeen New India Investment Trust plc

Company Profile: Aberdeen New India Investment Trust plc
Market Cap (USD): $476.2 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

495. Mountview Estates plc

Company Profile: Mountview Estates plc
Market Cap (USD): $475.8 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate Services

496. Lowland Investment Company plc

Company Profile: Lowland Investment Company plc
Market Cap (USD): $475.2 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

497. Marlowe plc

Company Profile: Marlowe plc
Market Cap (USD): $473.9 M (July 1, 2025)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Security & Protection Services

498. Numis Corporation plc

Company Profile: Numis Corporation plc
Market Cap (USD): $465.4 M (July 1, 2023)
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

499. Bicycle Therapeutics plc

Company Profile: Bicycle Therapeutics plc
Market Cap (USD): $463.4 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

500. General Accident plc

Company Profile: General Accident plc
Market Cap (USD): $461.0 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Financials
Industry: UK Insurance—Property & Casualty

501. European Assets Trust plc

Company Profile: European Assets Trust plc
Market Cap (USD): $460.4 M (July 1, 2025)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

502. ASOS plc

Company Profile: ASOS plc
Market Cap (USD): $459.7 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Internet Retail

503. Nichols plc

Company Profile: Nichols plc
Market Cap (USD): $458.6 M
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Beverages—Non-Alcoholic

504. FRP Advisory Group plc

Company Profile: FRP Advisory Group plc
Market Cap (USD): $457.1 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

505. BlackRock Frontiers Investment Trust plc

Company Profile: BlackRock Frontiers Investment Trust plc
Market Cap (USD): $456.0 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

506. CQS New City High Yield Fund Limited

Company Profile: CQS New City High Yield Fund Limited
Market Cap (USD): $455.4 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

507. Impact Healthcare Reit plc

Company Profile: Impact Healthcare Reit plc
Market Cap (USD): $454.0 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Diversified

508. Lok'nStore Group plc

Company Profile: Lok'nStore Group plc
Market Cap (USD): $449.3 M (July 1, 2024)
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate Services

509. IDE Group Holdings plc

Company Profile: IDE Group Holdings plc
Market Cap (USD): $448.5 M (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

510. Hyve Group plc

Company Profile: Hyve Group plc
Market Cap (USD): $446.9 M (May 1, 2023)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

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