Find reliable accounting firms in Hartford, Connecticut, that can assist you with everything from bookkeeping to tax planning. DesignRush connects you with agencies trusted by Fortune 500 brands like Estee Lauder and USA TODAY. With over 100,000 client-agency matches monthly and 40,000+ vetted agencies, you can trust our platform to help you make informed decisions. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Best Hartford Accounting Company Rankings

4 Companies - Rankings updated: August 16, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

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United States × Connecticut × Hartford ×

  • Grant Thornton

    IT, Business, BPO, Audit, Tax and Advisory are just the beginning.

    IT, Business, BPO, Audit, Tax and Advisory are just the beginning.

    Grant Thornton LLP (US) is an IT, project management, audit, tax, AgTech, and BPO company headquartered in Chicago, Illinois with over 50 U.S. offices and access to a global network or member firms in over 135 countries. We offer a broad range of services in strategy and consulting, operations, technology and...

    Top Services:

    • Accounting
    • Business Consulting
    • Market Research
    • HR Outsourcing
    • Software Development
    • Show more
    Location
    Hartford, Connecticut
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.5 4.5 (13)

  • Deloitte

    Collaborating for Lasting Impact in Business Consulting

    Collaborating for Lasting Impact in Business Consulting

    Join us at Deloitte, where we believe that our collective influence is the cornerstone of our value. With a rich legacy spanning over 175 years and a global network encompassing 150 countries, we empower remarkable achievements, solve complex problems, and drive meaningful progress for clients, professionals...

    Top Services:

    • Business Consulting
    • Accounting
    • HR Outsourcing
    • Big Data Analytics
    • CRM Consulting
    • Show more
    Location
    Hartford, Connecticut
    Number of Employees
    1000 & Up
    Portfolios Count
    6 Projects Listed
    View Profile
    3.4 3.4 (83)

  • Whittlesey

    Whittlesey is the largest regional CPA and IT consulting firm in New England. With offices in Hartford, CT, Hamden, CT, and Holyoke, MA, we provide a comprehensive array of advisory, assurance, tax, and technology services...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    Hartford, Connecticut
    Number of Employees
    100 - 249
    View Profile
    4.0 4.0 (4)

  • EY

    Building A Better Working World

    Building A Better Working World

    EY offers Accounting, Business Consulting, and IT Services with a mission to build a better working world. It provides insights and quality services that instill trust in global capital markets and economies. EY focuses on developing exceptional leaders who deliver on their commitments to all stakeholders...

    Top Services:

    • Business Consulting
    • HR Outsourcing
    • Accounting
    • Cybersecurity
    • IT Services
    • Show more
    Location
    Hartford, Connecticut
    Number of Employees
    1000 & Up
    View Profile

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