Browse the top-rated accounting firms in Ottawa that can assist you in managing your financial activities. Streamline your search for the best partner agency using our practical filtering tool.

Best Ottawa Accounting Company Rankings

20 Companies - Rankings updated: August 14, 2026

All agencies on DesignRush undergo evaluation based on professional expertise and verified client reviews. Please note that certain placements are paid partnerships.

Canada × Ottawa ×
  • Dimov Tax

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Let us save you time & money.

    Dimov Tax offers expert domestic and international tax and financial services, including individual and business tax preparation, cryptocurrency and stock taxation, IRS/state notice resolution, forensic accounting, M&A consulting, property management accounting, CPA letters, and tailored strategies...

    Top Services:

    • Business Consulting
    • Accounting
    Location
    Ottawa, Canada
    Number of Employees
    Under 49
    Portfolios Count
    4 Projects Listed

    Dimov Tax Services

    • Business Consulting
    • Accounting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • High-Net-Worth Individuals
    • Startups
    • Technology Companies
    • International Taxpayers
    • Real Estate Investors
    • Professional Athletes & Entertainers
    • Healthcare Practices
    • Multi-State Businesses
    • Nonprofit Organization
    Data sourced from the agency's DesignRush profile

    Dimov Tax Reviews & Testimonials

    • Dmitrii Legetskii
      Dmitrii Legetskii Co-owner at VLA&DI Group
      5.0

      Accounting Review from Dmitrii Legetskii

      This company helped us set up our accounting system from beginning to end. I am a serial entrepreneur with experience working with many different accounting groups and this one has been the most responsive overall. They have helped us with registering the business, putting together payroll, and getting our quarterly tax returns filed. They have been also very helpful with giving personal tax advice. I would recommend them to any other friends and especially other business owners.

    • Setty McIntosh
      Setty McIntosh Producer Creative Director at Media Production Company
      4.2

      Accounting Review from Setty McIntosh

      Services 2 years in a row. George Dimov is now my C.P.A. Excellent, organized, thorough and timely. We were impressed with their patience, courteousness, and efficiency.

    • Undisclosed
      Undisclosed Executive at Tax Services Company
      5.0

      Accounting Review from Undisclosed

      They were easy to deal with. George Dimov, CPA successfully delivered the project as per the client's requirements. The service provider utilized Email and messaging apps for effective responsiveness and communication. They were also easy to work with. Ultimately, the client was satisfied with the partnership.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Affordable Accounting And Tax Accountant Expert

    Affordable Accounting And Tax Accountant Expert

    At Gondaliya CPA Professional Corporation, we are your trusted business tax accountants and corporate tax experts in Toronto. With more than 10 years of committed bookkeeping and tax service, our mission is to provide AFFORDABLE, practical, and accurate tax filing solutions for small and medium-sized...

    Top Services:

    • Accounting
    Location
    Ottawa, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    Under $1,000
  • 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
    Ottawa, Canada
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Your Trusted Finance Professional.

    Your Trusted Finance Professional.

    Coin Masters is your dedicated finance team, from bookkeeping to the boardroom. With our comprehensive range of services, we're more than just a financial services provider; we're your trusted partners in financial excellence...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    Ottawa, Canada
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Knowing what its like to move from surviving to thriving in business, Virtual Bookkeeping was founded in 1999 by Monica Ross to help people and small businesses grow and prosper through better bookkeeping, budgeting and accounting practices...

    Top Services:

    • Accounting
    Location
    Ottawa, Canada
    Number of Employees
    Under 49
  • Zenbooks is your connected business advisor and guide to increased productivity and automation for your office...

    Top Services:

    • Accounting
    Location
    Ottawa, Canada
    Number of Employees
    Under 49
  • Tap Into Your Full Potential.

    Tap Into Your Full Potential.

    We're Canada's association of independent tax and accounting professionals...

    Top Services:

    • Accounting
    Location
    Ottawa, Canada
    Number of Employees
    Under 49
  • The professionals at Doyle Salewski are all fully experienced in providing financial management advice such as credit counseling, bankruptcy, consumer proposals, budgeting, debt settlement, and debt consolidation...

    Top Services:

    • Accounting
    Location
    Ottawa, Canada
    Number of Employees
    Under 49
  • A family-owned, full service accounting and tax business operating in Ottawa, Ontario since 2017, Hometown Accounting and Tax handles accounting, taxes, bookkeeping, payroll, and various other consulting needs for small- and medium-sized businesses...

    Top Services:

    • Accounting
    Location
    Ottawa, Canada
    Number of Employees
    Under 49
  • 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
    Ottawa, Canada
    Number of Employees
    1000 & Up
    Portfolios Count
    6 Projects Listed
  • Get financial peace of mind with Nexia's trusted expertise.

    Get financial peace of mind with Nexia's trusted expertise.

    Nexia Australia represents a network of solutions-focused accountancy and consultancy firms, providing a comprehensive and personalized accounting solution. With senior partners and an experienced specialist team, we offer services in accounting, taxation, auditing, corporate advisory, business advisory and...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    Ottawa, Canada
    Number of Employees
    1000 & Up
  • Bookkeeping, accounting & small business consulting in Ottawa, Ontario...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    Ottawa, Canada
    Number of Employees
    Under 49
  • Delivering Unmatched Accounting Services.

    Delivering Unmatched Accounting Services.

    Forvis Mazars is a leading public accounting firm ranked among the top 10 in the nation. With a forward vision and unwavering commitment to unmatched client experiences, we redefine excellence in the industry. Formed through the merger of two esteemed firms, BKD and DHG, FORVIS combines legacy and innovation...

    Top Services:

    • Business Consulting
    • Accounting
    • Cybersecurity
    • IT Services
    • Show more
    Location
    Ottawa, Canada
    Number of Employees
    1000 & Up
  • Empowering Your Accounting Decisions.

    Empowering Your Accounting Decisions.

    Crowe LLP is a global accounting firm offering audit, tax, advisory, and consulting services. With deep industry expertise, we empower businesses to make informed decisions for lasting value. Recognized as a top workplace, we leverage our partnership with Crowe Global to provide comprehensive solutions...

    Top Services:

    • Accounting
    • HR Outsourcing
    • Business Consulting
    • Market Research
    • BPO
    • Show more
    Location
    Ottawa, Canada
    Number of Employees
    1000 & Up
  • 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
    Ottawa, Canada
    Number of Employees
    250 - 499
  • 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
    Ottawa, Canada
    Number of Employees
    1000 & Up
  • 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
    Ottawa, Canada
    Number of Employees
    1000 & Up
  • Together, we achieve more.

    Together, we achieve more.

    Offering project management, business, and IT services. At KPMG LLP, their purpose is to turn knowledge into value for the benefit of their clients, people, and the capital markets...

    Top Services:

    • Business Consulting
    • Market Research
    • Accounting
    • HR Outsourcing
    • IT Services
    • Show more
    Location
    Ottawa, Canada
    Number of Employees
    1000 & Up
  • With offices in 440 cities, we operate in 150 countries across five continents, providing high quality audit, accounting, tax, and business advisory services...

    Top Services:

    • Market Research
    • BPO
    • Business Consulting
    • Accounting
    • IT Services
    • Show more
    Location
    Ottawa, Canada
    Number of Employees
    1000 & Up

ReceiveFreeProposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner