Top 7 Best Tax Preparation Services in London

When it comes to managing your tax obligations in London, choosing the right tax preparation service is crucial. Whether you’re an individual or a business, having a professional handle your taxes can save you time, reduce stress, and potentially save you money. Our guide to the top 7 best tax preparation services in London provides an overview of key players in the field, ensuring you find the perfect fit for your needs.

Before diving into the list, consider the following services that a top-notch tax preparation firm might offer:

Personal Tax Returns – Assistance with filing individual tax returns, ensuring compliance and maximizing deductions.
Business Tax Services – Comprehensive tax solutions for businesses, including corporate tax planning and filing.
VAT Returns – Expertise in managing Value Added Tax returns for businesses of all sizes.
Tax Planning – Strategic planning to minimize tax liabilities and optimize financial outcomes.
Audit Support – Guidance and support in the event of a tax audit to ensure a smooth process.
International Tax Services – Specialized services for individuals and businesses dealing with cross-border tax issues.
Bookkeeping – Maintaining accurate financial records to support tax preparation and filing.

When selecting a tax preparation service, consider the following aspects:

Experience and Expertise – Look for firms with a proven track record and specialized knowledge in relevant areas.
Cost – Ensure the service is within your budget, with pricing typically ranging from $200 to $1,000 depending on complexity.
Reputation – Check reviews and testimonials to gauge client satisfaction and service reliability.
Technology – Opt for firms utilizing up-to-date technology for efficient and accurate tax preparation.

Explore our detailed guide to discover the top 7 tax preparation services that London has to offer.

1. Oasis Accountants
2. King Consultants Accountancy and Tax Solutions Ltd
3. West London Accounting Ltd

4. Blick Rothenberg
5. Mirandus Accountants
6. Kala Atkinson
7. Omer & Company

Number of companies

770

Verified reviews

4,84

Average rating

+442038189530

1. Oasis Accountants

★ ★ ★ ★ ★ 4,9/5

Office Gold, Building 3, 566 Chiswick Park, Chiswick High Rd., W4 5YA, London

Tax consultant
Accounting firm
Bookkeeping service
Certified public accountant
Payroll service
Accountant

Why we chose them

Oasis Accountants Limited is a prominent accounting firm based in London, renowned for its comprehensive and tailored financial services. With a team of over 50 professionals and 15 account managers, they serve more than 3,000 clients, offering a wide range of services including tax consultation, bookkeeping, payroll services, and wealth management. Their expertise extends to both business and individual accounting, providing solutions that simplify complex financial processes. The company prides itself on its innovative approach, utilizing the latest technology to deliver efficient and personalized service, ensuring clients’ financial journeys are seamless and successful.

Recognized for excellence, the firm holds prestigious accreditations from ACCA, ICAEW, and FCSA, underscoring its commitment to financial integrity and expertise. Specializing in end-to-end limited company compliance management and tax planning, they are dedicated to helping businesses stay on track. Their modern Oasis Umbrella service offers unique payroll solutions for contractors and freelancers. With a focus on client satisfaction, they have received numerous positive reviews, highlighting their supportive and knowledgeable team. Oasis Accountants Limited stands as a pivotal financial partner for businesses and individuals seeking hassle-free, expert accountancy services in London.

+448006696477

2. King Consultants Accountancy and Tax Solutions Ltd

★ ★ ★ ★ ★ 5,0/5

142 Cromwell Rd, SW7 4EF, London

Accountant
Accounting firm
Bookkeeping service
Payroll service
Tax preparation

Why we chose them

King Consultants Accountancy and Tax Solutions Ltd is a leading accounting firm renowned for its comprehensive financial services tailored to both individuals and businesses. Located in Cambridge, the firm specializes in a wide range of services including bookkeeping, financial analysis, tax planning, payroll processing, and more. With a team of experienced chartered accountants, they provide bespoke accounting solutions to meet specific business needs, ensuring clients receive accurate and timely financial information to aid informed decision-making. Their commitment to maximizing financial potential has made them a trusted partner for clients across various industries and sizes throughout East Anglia.

Known for its transparent pricing and personalized care, the firm prides itself on building long-lasting relationships with clients. Their expertise extends to handling self-assessments, corporate tax returns, VAT, IR35, capital gains, and landlord’s tax, among other services. Clients appreciate their dedication to unlocking financial potential and guiding businesses towards their goals with precision and reliability. The company’s strategic approach and commitment to quality make them a standout choice for those seeking expert accountancy services in the region.

+442083542495

3. West London Accounting Ltd

★ ★ ★ ★ ★ 4,8/5

8 Royal Parade, W5 1ET, London

Tax preparation service
Bookkeeping service
Certified public accountant
Tax preparation
Accountant

Why we chose them

WEST LONDON ACCOUNTING LTD. stands out as a prominent Polish Financial Centre, known for its comprehensive accounting services across the UK. With many years of experience, the firm offers a range of professional consulting services tailored for both individual clients and businesses, including tax preparation, bookkeeping, and certified public accounting. Recognized as an authorized agent of HM Revenue & Customs and Companies House, they handle all reports on behalf of their clients, ensuring a seamless experience. Their services cater to small businesses, such as self-employed individuals and partnerships, as well as medium and large companies, providing a trustworthy foundation for those looking to establish or grow their business in the UK.

Beyond standard accounting services, the company also offers specialized support in areas like immigration, liquidation of companies, accident compensation, mortgages, and insurance. This diverse array of services is backed by a qualified and experienced team dedicated to optimizing company costs and supporting legal and financial decision-making. Emphasizing flexibility and data security, the firm ensures that clients can focus on their core business activities while enjoying the benefits of a full-service accounting partner. The engaging atmosphere and commitment to continuous development make this company more than just an accounting office, offering everything a business needs in one place.

+442074860111

4. Blick Rothenberg

★ ★ ★ ★ ★ 4,4/5

16 Great Queen St, WC2B 5AH, London

Accountant
Auditor
Bookkeeping service
Business management consultant
Business to business service
Tax consultant
Tax preparation

Why we chose them

Blick Rothenberg is a distinguished tax, accounting, and business advisory firm renowned for its commitment to personal integrity and technical expertise. The firm offers a wide array of services, including audit, accounting, and business advisory, as well as corporate and personal tax consultation. They are recognized for building strong, long-lasting relationships with clients, founded on mutual trust. Their expertise is highlighted by their top-tier ranking in the 2024 eprivateclient Top Accountancy Firms, a testament to their exceptional service for High-Net-Worth Individuals.

Providing a comprehensive suite of services such as bookkeeping, tax preparation, and business management consulting, the firm extends its expertise to international tax, mergers and acquisitions, and global mobility. They cater to a diverse clientele, including sectors like financial services, property and construction, and technology. Additionally, their insights and resources, such as whitepapers and webinars, equip clients with the knowledge needed for international expansion and complex tax scenarios. The firm’s dedication to excellence is further reflected in their active involvement in corporate social responsibility and continuous thought leadership through podcasts and expert panels.

+442075020316

5. Mirandus Accountants

★ ★ ★ ★ ★ 4,9/5

5 St Bride St, EC4A 4AS, London

Tax consultant
Accounting firm

Why we chose them

Mirandus Accountants, a distinguished expert in accounting and chartered tax advisory, operates out of London and Edinburgh, catering to the unique needs of private clients and their businesses. Known for its empathetic approach, the firm builds authentic relationships by actively listening and understanding the specific contexts and experiences of its clients. Offering comprehensive services like tax consultancy and accounting support, the firm specializes in assisting entrepreneurs and start-ups with their initial setup and ongoing compliance. They also focus on scale-ups, aiming to enhance wealth and profitability through strategic tax planning.

With a commitment to empowering clients through financial understanding, the firm provides personalized guidance on various tax matters, including estate planning, capital gains tax advice, and inheritance tax planning. Embracing digital transformation, they facilitate the implementation of Making Tax Digital (MTD) compliant software to streamline financial administration. Recognized for excellence, the firm has received prestigious awards, such as the Global 100’s 2025 UK Business Taxation Adviser of the Year. Their mission revolves around delivering expert, judgment-free support tailored to the client’s journey from start-up to succession.

+442084723055

6. Kala Atkinson

★ ★ ★ ★ ★ 4,9/5

43 Upton Ln, E7 9PA, London

Tax preparation service
Business development service
Business management consultant
Business to business service
Tax consultant
Accountant

Why we chose them

Kala Atkinson Chartered Accountants is a distinguished firm specializing in expert financial advice and services for small businesses. With over 30 years of experience, they excel in simplifying complex financial matters like Self-Assessment, EIS, SEIS, R&D, Corporation Tax, Inheritance Tax, VAT, and PAYE. Their comprehensive tax planning services are tailored to help clients optimize financial strategies, serving areas including London, Manchester, East London, Essex, and Bolton. Their approach is straightforward and practical, offering bespoke solutions without the jargon, ensuring clients can achieve their financial goals confidently.

In addition to tax consultancy, the company offers a range of services such as business development, management consulting, and digital consulting. They provide crucial support from starting a business to growing it, including business planning, bookkeeping, payroll, and financial forecasting. With a team of chartered certified accountants and registered auditors, they are also proud Xero partners and Silver Certified advisors. Their commitment to excellence makes them an invaluable partner for any small business looking to thrive in today’s competitive environment.

+442088500700

7. Omer & Company

★ ★ ★ ★ ★ 5,0/5

7, Chequers Parade, Passey Pl, SE9 1DD, London

Accountant
Bookkeeping service
Payroll service
Tax consultant
Tax preparation

Why we chose them

Omer & Company stands out as a trusted financial partner offering a comprehensive range of services, including accounting, bookkeeping, payroll, tax consultancy, and tax preparation. Known for their approachable and client-focused approach, they prioritize delivering tailored accountancy solutions that align with the unique needs of each business. Their expertise extends beyond traditional accounting, supporting startups with financial strategies, business planning, and essential local connections to foster growth and success.

With a commitment to clear communication, Omer & Company ensures clients understand every aspect of their financial management by eliminating jargon and providing straightforward advice. Their team is dedicated to providing a seamless customer experience, offering a pay-monthly fixed price package with no hidden fees, and guaranteeing prompt turnaround times. This dedication to reliability and efficiency sets them apart, making them a preferred choice for businesses seeking to optimize their financial operations while maintaining a personal touch in their service delivery.

FAQs

What services are typically offered by tax preparation professionals in London?

Tax preparation professionals in London commonly offer services such as personal tax returns, business tax services, VAT returns, tax planning, audit support, international tax services, and bookkeeping.

How much does it cost to hire a tax preparation service in London?

In London, the cost of hiring a tax preparation service can range from €180 to €950, depending on the complexity of your tax situation and the specific services required.

How can I choose the right tax preparation service for my needs?

To choose the right tax preparation service, consider factors such as the firm's experience and expertise, pricing, reputation, and use of technology. It's also helpful to read reviews and seek recommendations.

What is the typical timeline for tax preparation services in London?

The timeline for tax preparation services in London varies based on complexity, but generally, personal tax returns can take a few days to a couple of weeks, while business tax services may require a longer period.

Are tax preparation services in London equipped to handle international tax issues?

Yes, many tax preparation services in London offer specialized international tax services to assist individuals and businesses with cross-border tax matters.

What should I consider when budgeting for tax preparation services?

When budgeting for tax preparation services, consider the complexity of your tax needs, the range of services required, and the pricing structure of different firms. It's important to ensure the service fits within your financial plan.

Why is it important for tax preparation services to use up-to-date technology?

Using up-to-date technology ensures efficient and accurate tax preparation, helping to minimize errors and improve the overall quality of the service provided.

Can tax preparation services help with audit support in London?

Yes, many tax preparation services in London offer audit support to guide and assist clients through the audit process, ensuring compliance and a smoother experience.