See our expert directory of top-ranking accounting firms in London that help businesses stay financially organized and tax compliant. Use our practical filters to browse listings by client reviews, rates, team size, etc., and select your future partner agency today.

Best London Accounting Company Rankings

3 Companies-Rankings updated: August 19, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

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  • Dimov Tax

    VerifiedVerified by the DesignRush team for authenticity and credibility.

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    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...

    Location
    London, United Kingdom
    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
    Visit WebsiteView Profile
    4.8 4.8 (9)
    4.5 4.5 (72)

  • BSMART

    Kickstarting Success

    BSMART Partners is an accounting, finance and business consulting partner serving businesses across the UK and India. With 25+ years of experience, we provide accounting outsourcing, bookkeeping, VAT return support, payroll processing, management accounting, financial reporting, MIS reporting, finance...

    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000

    BSMART Services

    • Accounting
    • Business Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Construction Industry
    • eCommerce Industry
    • Energy & Mining Industry
    Data sourced from the agency's DesignRush profile

    BSMART Reviews & Testimonials

    • Manoj Patil
      Manoj Patil Review from Google
      5.0★

      Manoj Patil's Review Sourced from Google

      We really appreciate Team Bsmart as they help us to Transformed our operational efficiency, As a growing business, we were struggling with founder-dependency and scaling bottlenecks. The advisors here stepped in and implemented robust Standard Operating Procedures (SOPs) and financial structures. Their insights completely changed how we look at our business health. Highly Cooperative Staff, deeply knowledgeable, and genuinely invested in client growth.

    • Jitendra Kurundwade
      Jitendra Kurundwade Review from Google
      5.0★

      Jitendra Kurundwade's Review Sourced from Google

      We are a cattle feed manufacturer based in Sangli, and BSMART has been a valuable consulting partner for us. Their team helped us with entity structuring, inventory control, production process accountability, and financial process strengthening.They understood our manufacturing business well and gave practical, actionable guidance to improve systems, reporting, and decision-making. We would highly recommend BSMART to SMEs and manufacturing businesses looking for a reliable partner for all kinds of business consulting, financial consulting, and process improvement support.

    • Jaydeep Shete
      Jaydeep Shete Review from Google
      5.0★

      Jaydeep Shete's Review Sourced from Google

      Over the years, I’ve had the chance to see how BSMART operates, and what stands out is the clarity and intent they bring to their work. The team comes across as highly professional financial consultants with deep expertise in fundraising. What I appreciate most is their client centric mindset. The solutions feel thoroughly thought through and tailored to each situation.Overall, their approach feels practical and well rounded. I would definitely recommend them to anyone looking for structured and reliable financial guidance.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit WebsiteView Profile
    4.5 4.5 (65)

  • EY

    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...

    Location
    London, United Kingdom
    Number of Employees
    1000 & Up

    EY Services

    • Business Consulting
    • HR Outsourcing
    • Accounting
    • Cybersecurity
    • IT Services
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Qiagen
    • Apple
    • ASOS
    • Microsoft
    • Wawa
    Data sourced from the agency's DesignRush profile
    Visit WebsiteView Profile

Related Services

Accounting Firms Near London

Popular Services

What Makes Accounting Firms in London Unique?

Accounting firms in London are in demand, from bookkeeping and accounting to auditing activities and tax consultancy. London has the highest number of registered accounting businesses in the UK, with more than 11,000 categorized under these service categories. In such a competitive market, this motivates accountants in London to become highly valued experts in their respective fields of work.

What Do Accountants in London Specialize in?

Accountancy firms in London are constantly updated about the most recent regulation and tax compliance laws. In addition, teams are specialized in commercial finance, focusing on consumer transactions and corporate finance, such as advising on processes for raising capital, and company secretarial or forensic accounting, such as suspected misconduct, fraud, and disputes.

Why Hire Accountancy Firms in London?

London is a part of the UK economy, with an accounting industry that jumped to $42.6 billion in 2021. According to the Office of National Statistics, this is the most significant turnover that has ever happened. Therefore, outsourcing accounting firms in London means having a business partner who is highly motivated to grow in a fast-developing economic environment.

How Much Do Accounting Companies in London Charge for Their Services?

On average, typical costs for accountancy firms in London are $30 to $50 per hour for essential services like tax returns. For more complex work (e.g., tax planning and preparations, legal advice, etc.), you may invest $175 per hour or more.

How To Find the Right Accounting Firms in London for Your Business?

Finding a fit from the many accountancy firms in London means choosing a consultant who handles weekly payrolls and more reliable work such as tax preparations.

To find the right provider for your needs, consider the budget, external communication structure, the agency’s previous clients and portfolio, and their credentials (CPA, CFA, CISA, etc.). 

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