The Best Tax Preparation Services in London

Looking for a top tax preparation company in London?

Reduce your risk of being audited and navigate the tax preparation process with ease by working with a tax preparation service.

To assist you in your search for a partner, we’ve compiled this list of the top tax preparation experts in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.

List of the Best London Tax Preparation Services

  • 1

    The Numbersmith

    The Numbersmith is a cloud accounting firm based in Peterborough, U.K., with an office in Moorgate Place, U.K. The firm, founded in 1992, has a team of more than ten that provides accounting and finance & accounting outsourcing (FAO) services. The Numbersmith serves small and midmarket companies in the e-commerce, arts & entertainment, business services, consumer products & services, media, and retail industries.

    Notable Project

    A financial services firm hired The Numbersmith to help move their accounting to the Xero cloud based software to ensure that they are up to date with Making Tax Digital and compliant with the HMRC. The Numbersmith completed the project faster than expected and met all other expectations.

    "They were very knowledgeable and helpful which made the processes smooth and effortless." - Director, Financial Services Firm

    Former clients
    Sportsframe
    Christian Wiles Hairdressing
    Anthony Inspires
    Pro Print: Print and Packaging
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place Moorgate Place, United Kingdom
    5.0
    5.0
    1 Clutch review
    Visit site
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  • 2

    BBK Partnership

    BBK Partnership is a London-based accounting firm founded in 1987  with more than 10 members. They offer tax preparation, payroll processing, and bookkeeping solutions for various clients.

    Notable Project

    BBK Partnership provided accounting-related consulting services for a creative agency. BBK Partnership also helps with bookkeeping-related consultations. These consultations have helped the agency save a considerable amount of funds.

    “BBK Partnership has enough insight to be able to have discussions as to how the business is performing and can provide input, which we really appreciate.” - Director, Creative Agency

    Former clients
    Fishfinger Creative Agency
    $ $ $ $ $
    equalizer

    Undisclosed
    group10 - 49 Employees
    place Barnet, London, United Kingdom
    5.0
    5.0
    1 Clutch review
    Visit site
  • 3

    Accounting Bookkeepers

    Accounting Bookkeepers is a financial agency based in Karachi, Pakistan with fewer than 10 experts. They provide tax preparation, payroll processing, and bookkeeping solutions for various clients.

    Notable Project

    Accounting Bookkeepers provided business consulting and bookkeeping services for a marketing development organization. The organization had an in-house team, but decided to outsource work for a broader skillset. Accounting Bookkeepers has helped them in numerous ways since then.

    “I think their flexibility is one of the biggest bonuses for us.” - VP of Operations, Marketing Development Organization

    Former clients
    Computan
    $ $ $ $ $
    equalizer

    Undisclosed
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
    Visit site
  • 4

    Makesworth Accountants

    Makesworth Accountants is an accountancy practice based in Harrow, U.K., with other U.K. offices in Ilford, Holborn, and East Kilbridge. The firm, founded in 2013, has a team of more than 15 that provides financial accounting, tax preparation, bookkeeping, finance & accounting outsourcing (FAO), and payroll processing services to small and midmarket companies in various industries.

    Notable Project

    A water service company hired Makesworth Accountants to provide a wide range of accounting services, from bookkeeping to other financial services. Makesworth Accountants was able to inform the company of financial problems ahead of time and met expectations in performing the accounting tasks.

    "They’ve been very successful at helping my business." - General Manager, Water Service Company 

    Former clients
    Pat Keating HR Solutions Ltd.
    UXLI Ltd.
    Binature Limited
    C.H. Carpentry & Joinery Limited
    $ $ $ $ $
    equalizer

    Undisclosed
    group10 - 49 Employees
    place Holborn, United Kingdom
    5.0
    5.0
    3 Clutch reviews
    Visit site
  • 5

    Moore Kingston Smith LLP

    Moore Kingston Smith LLP is an accounting and business advisory that was started in 1923. The London-based team of over 500 specializes in accounting services, offering payroll processing, bookkeeping, financial accounting, and tax preparation.

    Notable Project

    Moore Kingston Smith LLP supported a software startup through their fundraising stage, leveraging experts in different accounting areas to provide comprehensive advice. They upheld their reputation as a well-known one-stop-shop, which made them ideal for mid to large-size organizations.

    "They’re a top-tier accounting firm with a great reputation, so they’d be a strong deal for a larger company." – CEO, Software Startup

    $ $ $ $ $
    equalizer

    Undisclosed
    group250 - 999 Employees
    place London, United Kingdom
    4.0
    4.0
    1 Clutch review
    Visit site
  • 6

    Tally Accountants

    Tally Accountants is an accounting firm based in Ruislip, England. Their team of fewer than 10 people specializes in tax preparation, payroll processing, and bookkeeping services for their clients.

    Notable Project

    Tally Accountants provided accounting solutions for a data science company. Tally Accountants handles their accounting, bookkeeping, and tax filing. The company has worked with Tally Accountants since 2018 to this day.

    “They file on time and correctly, very easy to communicate with.” - CEO & Founder, Data Science Company

    Former clients
    Quanteda Corp Ltd.
    Absorb
    Firbanks IT
    $ $ $ $ $
    equalizer

    Undisclosed
    group2 - 9 Employees
    place Ruislip, United Kingdom
    5.0
    5.0
    1 Clutch review
    Visit site
  • 7

    Salient Accounting & Finance

    Salient Accounting and Finance is a 50+ person team based in Basildon, U.K. Founded in 2008, this accounting firm provides financial accounting, tax preparation, and payroll processing services to primarily small businesses.

    Notable Project

    Salient Accounting and Finance provided accounting and taxation services for a kitchen design company. They provided the client with consultations that focused on how to improve accounting and tax practices within the company. The client was satisfied by the service, noting how the support of Salient Accounting and Finance has led to significant company growth.
     

    “They’ve exceeded our expectations and allowed us to reduce our tax bills by 70%.” – Managing Director, Kitchen Design Company

    Former clients
    Taylor Bespoke
    The Lords Club
    Pirates Grog Spiced Rum
    Popski London
    $ $ $ $ $
    equalizer $1,000+
    group50 - 249 Employees
    place Basildon, United Kingdom
    5.0
    5.0
    2 Clutch reviews
    Awards

    Basildon District Business Awards: Winner (2008, 2009) , Basildon Business Awards: Winner (2011 - 2014)

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  • 8

    Tax Affinity Accountants

    Founded in 2012, Tax Affinity Accountants is an accounting firm that's geared toward small businesses. Based in the U.K., the small team of 9 specializes in tax preparation, payroll processing, bookkeeping, and financial accounting. 

    Notable Project

    A fragrance company and subscription service hired Tax Affinity Accountants for their bookkeeping expertise. The team also assisted with end of year accounts. They provide a seamless and effective service for the client, making accounting easy. 

    "I can't speak for other providers, but the cost is very good."–Founder, Fragrance Co. 

    Former clients
    FD Car and Garages Services
    AM Estate Agents
    FR Plumbing and Heating Ltd
    Chessington Tyre Services
    $ $ $ $ $
    equalizer

    Undisclosed
    group10 - 49 Employees
    place Surbiton Kingston upon Thames, United Kingdom
    4.0
    4.0
    1 Clutch review
    Awards

    Best Business of 2017 - Federation of Small Businesses

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  • 9

    Fortis Accountants

    Fortis Accountants is an accounting firm based in Hammersmith, U.K. The firm has a team of less than ten that provides accounting services to various clients.

    Notable Project

    An IT firm hired Fortis Accountants to provide accounting services. The engagement enabled the firm to make a significant amount of savings.

    "The friendliness and knowledgeability of the entire team puts Fortis Accountants leagues ahead of the competition." - Founder and Managing Director, IT Firm

    Former clients
    Living With The Lions Sports Travel
    Fit by Green
    Breed Media
    Fundamental Energy
    $ $ $ $ $
    equalizer

    Undisclosed
    group2 - 9 Employees
    place Hammersmith, United Kingdom
    5.0
    5.0
    1 Clutch review
    Visit site
  • 10

    Accounts and Legal

    Accounts and Legal is an accounting firm founded in London with fewer than 50 employees. They provide accounting solutions to various clients.

    Notable Project

    Accounts and Legal provided accounting services for a digital and general marketing firm. The firm had Accounts and Legal manage their accounts and books as well as pay taxes on time. The firm is happy with the results and is able to keep track of Accounts and Legal’s work.

    “Generally very easy to communicate with the firm, they normally reply to my emails within 1 day.” - Director & Marketing Manager, Digital and General Marketing Firm

    Former clients
    CALLTRAXX LTD
    Ultamodan
    $ $ $ $ $
    equalizer

    Undisclosed
    group10 - 49 Employees
    place London, United Kingdom
    2.3
    2.3
    2 Clutch reviews
    Visit site
  • 11

    Accounts Lab Ltd.

    Accounts Lab Ltd. is an accounting firm that was founded in 2006 in Shoreditch, England. Predominantly catering to small businesses, the team of under 10 provides accounting services such as financial accounting, payroll processing, bookkeeping, and more.

    Notable Project

    A software development house hired Accounts Lab Ltd. to handle their accounting needs. The team worked in QuickBooks to track monthly expenses and receipts, which allowed the internal staff to focus on other business priorities. 

    "As a business operator, I like that I don’t have to spend as much of my time on the financial side of things because I know that Accounts Lab Ltd. will keep our accounts up-to-date." – Founder, Software Development House

    $ $ $ $ $
    equalizer

    Undisclosed
    group2 - 9 Employees
    place Shoreditch, United Kingdom
    5.0
    5.0
    1 Clutch review
    Visit site
  • 12

    Tax & Advise

    Tax & Advise is a bookkeeping firm based in London with over 10 members. Since 2010, they have provided tax preparation, payroll processing, and bookkeeping services for various kinds of clients.

    Notable Project

    Tax & Advise managed the accounting needs of a systems integration company. The company needed someone to help run the financial aspect of the company when it first launched. The company is grateful for Tax & Advise’s assistance.

    “The staff is available at any time needed.” - CTO, Systems Integration Company

    $ $ $ $ $
    equalizer

    Undisclosed
    group10 - 49 Employees
    place London, United Kingdom
    3.5
    3.5
    1 Clutch review
    Visit site
Tell us about your project
NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

TELL US ABOUT YOUR PROJECT