Explore the leading accounting firms in Maine that provide specialized services including bookkeeping, payroll processing, tax strategy and more. Use our filters to search by city, reviews, cost, size, expertise and choose the best partner for your business.

Best Maine Accounting Company Rankings

15 Companies - Rankings updated: August 15, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

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United States × Maine ×

  • Honeck O'Toole

    Accounting for Your Success

    Accounting for Your Success

    We’re a Maine CPA firm focused on “you,” the client. You are who counts here. You are who matters. It’s what we’ve been doing for 30 years and more...

    Top Services:

    • Accounting
    Location
    Portland, Maine
    Number of Employees
    50 - 99
    View Profile
    2.7 2.7 (3)

  • Haverlock Estey & Curran

    Trusted Advisors for Your Financial Success.

    Trusted Advisors for Your Financial Success.

    We are a full service accounting firm offering various levels of service depending on your individual needs. At HEC we welcome the chance to assist you with everything from starting a business to planning your retirement and everything in between...

    Top Services:

    • Accounting
    Location
    Hampden, Maine
    Number of Employees
    Under 49
    View Profile
    4.5 4.5 (10)

  • Davidson Associates

    Helping You Achieve Financial Success.

    Helping You Achieve Financial Success.

    Davidson Associates is a Maine tax and accounting firm that brings 40 years of successful client and practice experience to both business and individual needs. We firmly believe that one-size DOES NOT fit all, and deliver individualized tax solutions to every client...

    Top Services:

    • Accounting
    Location
    Portland, Maine
    Number of Employees
    Under 49
    View Profile
    5.0 5.0 (1)

  • 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
    Portland, Maine
    Number of Employees
    1000 & Up
    Portfolios Count
    6 Projects Listed
    View Profile
    3.4 3.4 (83)

  • Purdy Powers & Company

    At your service when you need us most.

    At your service when you need us most.

    Confidence in Knowing. Your business. It’s not boring, mundane, or insignificant. It’s something for which you have great passion. You want to see it prosper. And grow. We do, too...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    Portland, Maine
    Number of Employees
    Under 49
    View Profile
    4.0 4.0 (8)

  • Ouellette & Associates

    Providing Professional Accounting & Tax Solutions

    Providing Professional Accounting & Tax Solutions

    Since 1979, we’ve been committed to paying close, personal attention to every one of our clients, resulting in long-term partnerships built on loyalty and trust...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    Lewiston, Maine
    Number of Employees
    Under 49
    View Profile
    4.2 4.2 (5)

  • Paper Trails

    Payroll, HR, and ComplianceMade Simple.

    Payroll, HR, and ComplianceMade Simple.

    Paper Trails provides payroll and HR services to businesses throughout New England...

    Top Services:

    • Accounting
    • HR Outsourcing
    Location
    Kennebunk, Maine
    Number of Employees
    Under 49
    View Profile
    4.9 4.9 (33)

  • Reeder CPA Group

    Where tax and accounting meet year-round strategic guidance and business development.

    Where tax and accounting meet year-round strategic guidance and business development.

    Reeder CPA Group (RCG) is a dedicated CPA firm specializing in high-value advisory and compliance services for small businesses and families. Our commitment is to provide personalized, expert financial guidance to support your success...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    Portland, Maine
    Number of Employees
    Under 49
    View Profile
    5.0 5.0 (12)

  • Albin Randall & Bennett

    Building Relationships. Creating Success.

    Building Relationships. Creating Success.

    In today’s complex world, privately owned companies and individuals with complex financial lives require expert financial advice and services that are only available from specialists. That’s why Albin, Randall & Bennett is organized into teams of specialists, each focused on a specific industry...

    Top Services:

    • Business Consulting
    • Accounting
    Location
    Portland, Maine
    Number of Employees
    50 - 99
    View Profile

  • Milliken, Perkins & Brunelle

    Bold Brands, Clear Messages, Lasting Impact.

    Bold Brands, Clear Messages, Lasting Impact.

    A full service CPA firm committed to providing high-quality work and unsurpassed service since 1975. Accounting, bookkeeping, tax preparation and more...

    Top Services:

    • Business Consulting
    • Accounting
    Location
    Windham, Maine
    Number of Employees
    Under 49
    View Profile

  • LG&H

    Your Trusted Partner in Financial Success.

    Your Trusted Partner in Financial Success.

    We provide a wide range of accounting and financial services to individuals, businesses, nonprofits and municipalities...

    Top Services:

    • Business Consulting
    • Accounting
    Location
    Bangor, Maine
    Number of Employees
    Under 49
    View Profile
    4.7 4.7 (15)

  • Protiviti

    Global Business Consulting Excellence

    Global Business Consulting Excellence

    Protiviti is a global consulting firm that offers deep expertise, objective insights, and tailored solutions to empower leaders in tackling future challenges. With a comprehensive range of services spanning finance, technology, operations, data, analytics, governance, risk, and internal audit, we serve...

    Top Services:

    • Business Consulting
    • IT Compliance Solution
    • Big Data Analytics
    • IT Services
    • Cybersecurity
    • Show more
    Location
    Portland, Maine
    Number of Employees
    1000 & Up
    Portfolios Count
    5 Projects Listed
    View Profile
    5.0 5.0 (1)

  • PADGETT

    Your Partner in Small Business Success Since 1966

    Your Partner in Small Business Success Since 1966

    PADGETT has been catering to the unique needs of small business owners across North America since 1966. With a comprehensive suite of services, including small business consulting advice, professional tax preparation, payroll solutions, bookkeeping, and more, we provide the support and expertise necessary for...

    Top Services:

    • HR Outsourcing
    • Accounting
    • Business Consulting
    • IT Services
    • Show more
    Location
    Portland, Maine
    Number of Employees
    250 - 499
    View Profile
    5.0 5.0 (1)

  • Baker Tilly

    Now, for tomorrow.

    Now, for tomorrow.

    Offering AgTech, Business, and IT Services. Baker Tilly Canada Cooperative is a member of the global network of Baker Tilly International Limited, the members of which are separate and independent legal entities. Baker Tilly Canada refers to the association of member firms of Baker Tilly Canada Cooperative...

    Top Services:

    • HR Outsourcing
    • Accounting
    • Business Consulting
    • Market Research
    • Cybersecurity
    • Show more
    Location
    Portland, Maine
    Number of Employees
    1000 & Up
    View Profile
    4.6 4.6 (19)

  • Chasse & Company

    Honest Advice, Smart Solutions

    Honest Advice, Smart Solutions

    Chasse & Company is a Maine-based CPA and accounting firm offering comprehensive financial services, including accounting, tax preparation, financial planning, and risk management. With over 70 years of combined experience, they help businesses achieve efficiency and long-term success...

    Top Services:

    • Accounting
    Location
    Auburn, Maine
    Number of Employees
    Under 49
    View Profile
    4.6 4.6 (8)

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