World Top 100 Professional Services Companies List by Market Cap as of August 2026

World Top 100 Professional Services Companies List by Market Cap as of August 2026, World Biggest 100 Professional Services Companies by Market Cap, World Largest 100 Professional Services Companies in the World by market cap as of August 2026.

World Top Professional Services Companies in 2026
World Top Professional Services Companies by Market Cap in 2026, World Largest Professional Services Companies by Market Cap in 2026.

  1. CGI Inc.

    World Rank (Aug-2026)
    1,424
    Market Cap (Aug-2026)
    17.023 Billion USD
    World Rank (Jan-05-2024)
    774
    Market Cap (Jan-05-2024)
    23.863 Billion USD
    World Rank (Jul-30-2023)
    806
    Market Cap (Jul-30-2023)
    23.365 Billion USD
    World Rank (Dec-25-2022)
    812
    Market Cap (Dec-25-2022)
    20.469 Billion USD
    World Rank (Jan-07-2022)
    1,018
    Market Cap (Jan-07-2022)
    20.43 Billion USD
    Annual Revenue in USD
    10,865 Million USD
    Annual Operating Income in USD
    1,758 Million USD
    Annual Net Income in USD
    1,240 Million USD
    Annual Results for Period Ending
    Sep-2023 ending year
    Headquarters Country
    Canada
    CEO
    George Schindler
    Stock Category
    TSX 60
    Yahoo @ NYSE
    Company Profile

    CGI is Software and IT company with headquarters is in Montreal, USA.

    Facts About Company

    For year ending Sep-2022, CGI annual revenue was 12,867 million CAD and annual net income was 1,466 million CAD.

    For year ending Sep-2021, CGI annual revenue was 12,126 million CAD and annual net income was 1,369 million CAD.

    As on 2022, CGI had 90,000 employees.

    Company Website
    CGI GROUP INC
    Wikipedia
    Wikipedia

  2. Secom

    World Rank (Aug-2026)
    1,453
    Market Cap (Aug-2026)
    16.468 Billion USD
    World Rank (Jan-05-2024)
    1,179
    Market Cap (Jan-05-2024)
    15.034 Billion USD
    World Rank (Jul-30-2023)
    1,269
    Market Cap (Jul-30-2023)
    14.048 Billion USD
    World Rank (Dec-25-2022)
    1,280
    Market Cap (Dec-25-2022)
    12.473 Billion USD
    World Rank (Jan-07-2022)
    1,351
    Market Cap (Jan-07-2022)
    14.98 Billion USD
    Annual Revenue in USD
    7,802 Million USD
    Annual Operating Income in USD
    968 Million USD
    Annual Net Income in USD
    681 Million USD
    Annual Results for Period Ending
    Mar-2023 ending year
    Headquarters Country
    Japan
    Stock Category
    NIKKEI 225
    Yahoo @ Tokyo
    Company Profile

    Secom provides Security Services, Fire Protection Services, Insurance Services, Medical Services. Headquarters is in Tokyo, Japan.

    SECOM (Singapore) Pte Ltd was established to provide Security Management Service to corporate customers looking for a prompt, reliable and effective service provider. Today, SECOM has more than 2000 subscribing customers. Secom's customers include banks, retail & entertainment centre, warehouses, factories and other commercial establishments.

    Company Website
    SECOM CO., LTD
    Wikipedia
    Wikipedia

  3. Companhia de Saneamento Basico Do Estado de Sao Paulo - SABESP

    World Rank (Aug-2026)
    1,479
    Market Cap (Aug-2026)
    16.213 Billion USD
    World Rank (Jan-05-2024)
    1,639
    Market Cap (Jan-05-2024)
    10.109 Billion USD
    World Rank (Jul-30-2023)
    1,974
    Market Cap (Jul-30-2023)
    8.168 Billion USD
    World Rank (Dec-25-2022)
    1,892
    Market Cap (Dec-25-2022)
    7.724 Billion USD
    World Rank (Jan-07-2022)
    3,655
    Market Cap (Jan-07-2022)
    4.33 Billion USD
    Annual Revenue in USD
    4,663 Million USD
    Annual Operating Income in USD
    977 Million USD
    Annual Net Income in USD
    660 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Brazil
    Yahoo @ NYSE
    Company Profile

    Sabesp is Waste management and Environmental services providing company with headquarters is in Brazil.

    Company Website
    SABESP
    Wikipedia
    Wikipedia

  4. RB Global Inc.

    World Rank (Aug-2026)
    1,507
    Market Cap (Aug-2026)
    15.752 Billion USD
    World Rank (Jan-05-2024)
    1,430
    Market Cap (Jan-05-2024)
    11.959 Billion USD
    World Rank (Jul-30-2023)
    1,449
    World Rank (Dec-25-2022)
    1,449
    World Rank (Jan-07-2022)
    1,449
    Annual Revenue in USD
    4,591 Million USD
    Annual Operating Income in USD
    713 Million USD
    Annual Net Income in USD
    428 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    RB Global provides insights, services, and transaction solutions for commercial assets and vehicles. Headquarters is in USA.

    Ritchie Bros has acquired IAA Inc. for 7 billion USD in 2023. Post that it has been rebranded as RB Global and with brands Ritchies Bros, IAA, Rouse, SmartEquip and with ticker RBA.

    It provides financial services, fleet management services, appraisals of equipment and machinery, Smart Equipment procurement, e-Commerce solutions. Headquarters is in USA.

    Company Website
    RB Global Inc.

  5. Verisure plc

    World Rank (Aug-2026)
    2,000
    Market Cap (Aug-2026)
    11.329 Billion USD
    Headquarters Country
    UK
    Yahoo @ Stockholm
    Company Profile

    Verisure plc is a security Services company. And it provides maintenance, Customer care, and Technical services.
    Headquarters is in Switzerland.

    Company Website
    Verisure plc
    Wikipedia
    Wikipedia

  6. Snc-Lavalin Group

    World Rank (Aug-2026)
    2,186
    Market Cap (Aug-2026)
    10.190 Billion USD
    World Rank (Jan-05-2024)
    2,687
    Market Cap (Jan-05-2024)
    5.583 Billion USD
    World Rank (Jul-30-2023)
    2,964
    Market Cap (Jul-30-2023)
    5.022 Billion USD
    World Rank (Dec-25-2022)
    4,105
    Market Cap (Dec-25-2022)
    2.977 Billion USD
    World Rank (Jan-07-2022)
    3,698
    Market Cap (Jan-07-2022)
    4.26 Billion USD
    Annual Revenue in USD
    5,420 Million USD
    Annual Operating Income in USD
    -69 Million USD
    Annual Net Income in USD
    11 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile
    SNC-Lavalin Group is a Construction, Oil and Gas and Mining company. The company services are consulting and advisory, project and construction management, operations and maintenance, intelligent networks and cyber security, design and engineering, sustaining capital, procurement and decommissioning. The headquarters is in Canada.
    Company Website
    SNC-LAVALIN GROUP INC.
    Wikipedia
    Wikipedia

  7. Booz Allen Hamilton Holding Corporation

    World Rank (Aug-2026)
    2,318
    Market Cap (Aug-2026)
    9.317 Billion USD
    World Rank (Jan-05-2024)
    1,083
    Market Cap (Jan-05-2024)
    16.442 Billion USD
    World Rank (Jul-30-2023)
    1,144
    Market Cap (Jul-30-2023)
    15.842 Billion USD
    World Rank (Dec-25-2022)
    1,158
    Market Cap (Dec-25-2022)
    13.812 Billion USD
    World Rank (Jan-07-2022)
    1,645
    Market Cap (Jan-07-2022)
    11.70 Billion USD
    Annual Revenue in USD
    11,217 Million USD
    Annual Operating Income in USD
    1,033 Million USD
    Annual Net Income in USD
    851 Million USD
    Annual Results for Period Ending
    For year ending March-2026
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    Booz Allen Hamilton Holding Corporation is a Information Technology and Management Consulting company. It recommends analytics, automation, data science, machine learning, software development, organization and other consulting services. The headquarters is in USA.

    As on Mar-2022, Booz Allen Hamilton Holding Corporation has 29,300 employees.

    Booz Allen Hamilton Holding Corporation annual revenue generated for period ending Mar-2022 was 8,363 million USD.

    Company Website
    BOOZ ALLEN HAMILTON HOLDING CORPORATION
    Wikipedia
    Wikipedia

  8. Stantec Inc.

    World Rank (Aug-2026)
    2,533
    Market Cap (Aug-2026)
    8.284 Billion USD
    World Rank (Jan-05-2024)
    1,866
    Market Cap (Jan-05-2024)
    8.664 Billion USD
    World Rank (Jul-30-2023)
    2,123
    Market Cap (Jul-30-2023)
    7.495 Billion USD
    World Rank (Dec-25-2022)
    2,635
    Market Cap (Dec-25-2022)
    5.218 Billion USD
    Annual Revenue in USD
    4,285 Million USD
    Annual Operating Income in USD
    295 Million USD
    Annual Net Income in USD
    186 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Company Profile
    STANTEC INC. provides engineering, architecture, and environmental consulting services in the areas of infrastructure and facilities in Canada, the USA, and internationally. The company provides consulting services in engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics.
    Company Website
    STANTEC INC.

  9. Chemed Corporation

    World Rank (Aug-2026)
    2,870
    Market Cap (Aug-2026)
    6.965 Billion USD
    World Rank (Jan-05-2024)
    1,881
    Market Cap (Jan-05-2024)
    8.606 Billion USD
    World Rank (Jul-30-2023)
    2,036
    Market Cap (Jul-30-2023)
    7.859 Billion USD
    World Rank (Dec-25-2022)
    1,897
    Market Cap (Dec-25-2022)
    7.676 Billion USD
    World Rank (Jan-07-2022)
    2,335
    Market Cap (Jan-07-2022)
    7.64 Billion USD
    Annual Revenue in USD
    2,530 Million USD
    Annual Operating Income in USD
    338 Million USD
    Annual Net Income in USD
    265 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    Chemed Corporation operates through two wholly owned subsidiaries, VITAS Healthcare Corporation and Roto-Rooter. The headquarters is in USA.

    Company Website
    CHEMED CORP

  10. Frontdoor

    World Rank (Aug-2026)
    3,214
    Market Cap (Aug-2026)
    5.957 Billion USD
    World Rank (Jan-05-2024)
    4,751
    Market Cap (Jan-05-2024)
    2.668 Billion USD
    World Rank (Jul-30-2023)
    4,567
    Market Cap (Jul-30-2023)
    2.822 Billion USD
    World Rank (Dec-25-2022)
    6,313
    Market Cap (Dec-25-2022)
    1.593 Billion USD
    World Rank (Jan-07-2022)
    4,676
    Market Cap (Jan-07-2022)
    3.14 Billion USD
    Annual Revenue in USD
    2,093 Million USD
    Annual Net Income in USD
    255 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ Nasdaq
    Company Profile
    Home services and repairs providing company with headquarters is in USA.
    Company Website
    FRONTDOOR

Share