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
601 Endava plc $330.9 M United Kingdom UK Technology UK Software—Infrastructure
602 JPMorgan China Growth & Income plc $328.3 M United Kingdom UK Financials UK Asset Management
603 Aberdeen New Dawn Investment Trust plc $327.6 M

(July 1, 2023)

 United Kingdom UK Financials UK Asset Management
604 Equals Group plc $327.3 M

(Jan. 1, 2025)

 United Kingdom UK Financials UK Credit Services
605 B.P. Marsh & Partners plc $325.3 M United Kingdom UK Financials UK Asset Management
606 CLS Holdings plc $324.2 M United Kingdom UK Real Estate UK Real Estate Services
607 Schroder UK Mid Cap $321.7 M United Kingdom UK Financials UK Asset Management
608 McKay Securities plc $321.0 M

(May 1, 2022)

 United Kingdom UK Real Estate UK REIT—Diversified
609 MS INTERNATIONAL plc $318.5 M United Kingdom UK Industrials UK Aerospace & Defense
610 Science Group plc $318.0 M United Kingdom UK Industrials UK Consulting Services
611 Schroder Income Growth Fund plc $317.8 M United Kingdom UK Financials UK Asset Management
612 Baillie Gifford UK Growth $317.7 M United Kingdom UK Financials UK Asset Management
613 Serabi Gold plc $316.6 M United Kingdom UK Basic Materials UK Gold
614 Secure Trust Bank plc $313.9 M United Kingdom UK Financials UK Banks—Regional
615 Card Factory plc $313.4 M United Kingdom UK Consumer Discretionary UK Specialty Retail
616 Helical plc $305.9 M United Kingdom UK Real Estate UK Real Estate Services
617 SRT Marine Systems plc $304.7 M United Kingdom UK Technology UK Scientific & Technical Instruments
618 Montanaro European Smaller Companies Trust plc $302.5 M United Kingdom UK Financials UK Asset Management
619 Fintel Plc $298.0 M United Kingdom UK Industrials UK Consulting Services
620 Kin and Carta plc $297.8 M

(Jan. 1, 2024)

 United Kingdom UK Industrials UK Specialty Business Services
621 Ecofin Global Utilities & Infrastructure Trust plc $295.7 M United Kingdom UK Financials UK Asset Management
622 Fidelity Japan Trust plc $295.4 M

(July 1, 2025)

 United Kingdom UK Financials UK Asset Management
623 Warrego Energy Limited $293.7 M

(March 1, 2023)

 United Kingdom UK Energy UK Oil & Gas E&P
624 Vp plc $291.4 M United Kingdom UK Industrials UK Rental & Leasing Services
625 Hargreaves Services plc $291.0 M United Kingdom UK Industrials UK Integrated Freight & Logistics
626 Aberdeen Emerging Markets Equity Income Fund, Inc. $289.5 M United Kingdom UK Financials UK Asset Management
627 Martin Currie Global Portfolio Investment Trust $287.5 M United Kingdom UK Financials UK Asset Management
628 JPMorgan US Smaller Co. Inv Tst plc $286.4 M United Kingdom UK Financials UK Asset Management
629 Andrews Sykes Group plc $281.7 M United Kingdom UK Industrials UK Rental & Leasing Services
630 Tristel plc $281.2 M United Kingdom UK Healthcare UK Medical Instruments & Supplies

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

601. Endava plc

Company Profile: Endava plc
Market Cap (USD): $330.9 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

602. JPMorgan China Growth & Income plc

Company Profile: JPMorgan China Growth & Income plc
Market Cap (USD): $328.3 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

603. Aberdeen New Dawn Investment Trust plc

Company Profile: Aberdeen New Dawn Investment Trust plc
Market Cap (USD): $327.6 M (July 1, 2023)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

604. Equals Group plc

Company Profile: Equals Group plc
Market Cap (USD): $327.3 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Financials
Industry: UK Credit Services

605. B.P. Marsh & Partners plc

Company Profile: B.P. Marsh & Partners plc
Market Cap (USD): $325.3 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

606. CLS Holdings plc

Company Profile: CLS Holdings plc
Market Cap (USD): $324.2 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate Services

607. Schroder UK Mid Cap

Company Profile: Schroder UK Mid Cap
Market Cap (USD): $321.7 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

608. McKay Securities plc

Company Profile: McKay Securities plc
Market Cap (USD): $321.0 M (May 1, 2022)
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Diversified

609. MS INTERNATIONAL plc

Company Profile: MS INTERNATIONAL plc
Market Cap (USD): $318.5 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

610. Science Group plc

Company Profile: Science Group plc
Market Cap (USD): $318.0 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

611. Schroder Income Growth Fund plc

Company Profile: Schroder Income Growth Fund plc
Market Cap (USD): $317.8 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

612. Baillie Gifford UK Growth

Company Profile: Baillie Gifford UK Growth
Market Cap (USD): $317.7 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

613. Serabi Gold plc

Company Profile: Serabi Gold plc
Market Cap (USD): $316.6 M
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

614. Secure Trust Bank plc

Company Profile: Secure Trust Bank plc
Market Cap (USD): $313.9 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Banks—Regional

615. Card Factory plc

Company Profile: Card Factory plc
Market Cap (USD): $313.4 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Specialty Retail

616. Helical plc

Company Profile: Helical plc
Market Cap (USD): $305.9 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate Services

617. SRT Marine Systems plc

Company Profile: SRT Marine Systems plc
Market Cap (USD): $304.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

618. Montanaro European Smaller Companies Trust plc

Company Profile: Montanaro European Smaller Companies Trust plc
Market Cap (USD): $302.5 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

619. Fintel Plc

Company Profile: Fintel Plc
Market Cap (USD): $298.0 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

620. Kin and Carta plc

Company Profile: Kin and Carta plc
Market Cap (USD): $297.8 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

621. Ecofin Global Utilities & Infrastructure Trust plc

Company Profile: Ecofin Global Utilities & Infrastructure Trust plc
Market Cap (USD): $295.7 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

622. Fidelity Japan Trust plc

Company Profile: Fidelity Japan Trust plc
Market Cap (USD): $295.4 M (July 1, 2025)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

623. Warrego Energy Limited

Company Profile: Warrego Energy Limited
Market Cap (USD): $293.7 M (March 1, 2023)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

624. Vp plc

Company Profile: Vp plc
Market Cap (USD): $291.4 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Rental & Leasing Services

625. Hargreaves Services plc

Company Profile: Hargreaves Services plc
Market Cap (USD): $291.0 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Integrated Freight & Logistics

626. Aberdeen Emerging Markets Equity Income Fund, Inc.

Company Profile: Aberdeen Emerging Markets Equity Income Fund, Inc.
Market Cap (USD): $289.5 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

627. Martin Currie Global Portfolio Investment Trust

Company Profile: Martin Currie Global Portfolio Investment Trust
Market Cap (USD): $287.5 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

628. JPMorgan US Smaller Co. Inv Tst plc

Company Profile: JPMorgan US Smaller Co. Inv Tst plc
Market Cap (USD): $286.4 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

629. Andrews Sykes Group plc

Company Profile: Andrews Sykes Group plc
Market Cap (USD): $281.7 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Rental & Leasing Services

630. Tristel plc

Company Profile: Tristel plc
Market Cap (USD): $281.2 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Instruments & Supplies

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