Tax Accountant UK for Businesses and Contractors

Work with a UK tax accountant to handle Self Assessment, Corporation Tax and VAT accurately and on time, with clear advice and full HMRC compliance.

Self Assessment tax returns prepared and filed
Corporation Tax calculations and submissions
VAT registration and quarterly returns
Director tax and dividend planning

Rated 4.5 on

across 1, 200+ verified client reviews

Who we work with

Our tax accountant UK service supports businesses and individuals nationwide. Whether you operate through a limited company or trade personally, structured tax compliance becomes more important as income grows.

Limited Companies

We manage Corporation Tax filings, director remuneration planning and ongoing compliance for growing UK companies.

Accountant for limited companies here

Sole Traders

From registration through to annual Self Assessment submissions, we ensure your income, expenses and payments remain accurate and on time.

Accountant for sole traders here

Contractors

IR35 status, dividend planning and contractor tax compliance require precision and up-to-date legislative awareness.

Accountant for contractors here

Ecommerce & Online Businesses

VAT complexity, cross-border sales and rapid scaling create risk without proper oversight. We ensure your reporting remains aligned with HMRC requirements.

Accountant for online stores here

Expert UK Tax Accounting Services

✔ Hassle-free registration ✔ No hidden fees ✔ Dedicated UK-based support ✔ 30-day money back guarantee

Expert accounting

From

£900

£60/mo*

billed annually

Takes less than 2 minutes. No obligation.

We’ll tailor your accounting package with the below essential services based on your business needs:

Bookkeeping (annual or monthly based on your business stage)

Year-end accounts & Tax Return

Dedicated accountant for ongoing support

Confirmation Statement filing

Xero subscription (included with Pro Plan)

Director’s Tax Return

VAT filing

Payroll & pension filing for 1–5 employees

*Price shown is the starting rate for annual billing after 20% discount. Limited time offer.

Monthly Yearly (Save more)

Accounting Basic

Ideal for entrepreneurs just starting out who need to stay compliant with expert bookkeeping support.

From

£900

£720

Covers all essentials:

20% OFF

Accounting Pro (includes VAT filing & Payroll)

Perfect for businesses focused on growth, requiring monthly bookkeeping, payroll, and tax compliance.

From

£1,248

£960

Full service accounting:

Monthly Bookkeeping
Year-end accounts & Tax Return
Dedicated Accountant
Confirmation Statement
Xero Subscription
Director's Tax Return
VAT filing
Payroll & Pension filing 1-5 employees

20% OFF

Compare plans Compare plans

Accounting Basic

From £50/mo*

Accounting Pro
(includes VAT filing & Payroll)

From £100/mo*

Bookkeeping

Annual

Monthly

Xero Subscription

Confirmation Statement

Year-end accounts & Tax Return

Dedicated Accountant

Director’s Tax Return

£250/financial year

VAT filing

Payroll & Pension filing 1-5 employees

Multi-currency support

£10/month

backdated bookkeeping

£750/fy (up to 100 transactions)

*For financial years ending in under 3 months, a minimum 3-month purchase of the monthly accounting plan is required.

UK-wide tax accountant support

We support businesses and individuals across the UK with expert tax advice and full HMRC compliance, wherever you’re based. Our fully digital service means you get the expertise of a leading tax accountant without needing a local office visit. From London and Manchester to Bristol, Leeds and Edinburgh, we deliver secure, structured support so you always know where you stand.

How an expert Tax Accountant can support your business

A UK tax accountant does more than file returns. At Sleek, we manage your ongoing compliance, reduce risk exposure and ensure your tax position is structured correctly as your business grows.

Self Assessment Tax Returns

Preparation and submission of annual Self Assessment returns, income calculations and allowable expenses, ensuring deadlines are met accurately.

https://sleek.com/uk/self-assessment-tax-return/

VAT Registration & Returns

VAT scheme advice, Making Tax Digital compliance and quarterly VAT return preparation handled correctly and on time.

https://sleek.com/uk/vat-returns/

HMRC Enquiries & Tax Investigations

Professional representation and structured responses to HMRC enquiries and compliance checks.

Director Tax & Dividends

Salary and dividend structuring, personal tax exposure planning and director-level compliance management.

R&D Tax Relief

Structured R&D tax credit claims, documentation support and compliant submission management.

https://sleek.com/uk/rd-tax-credits/

Making Tax Digital Compliance

Preparation for MTD for Income Tax and VAT, ensuring your systems and filings meet HMRC digital standards.

https://sleek.com/uk/resources/mtd-it/

Signs you need a tax accountant

You may need support if:

Your profits are increasing and tax planning is becoming more complex
You are approaching or have crossed the VAT threshold
You are a company director needing coordinated tax planning
HMRC has opened an enquiry or requested information
You are preparing for Making Tax Digital
Your current accountant is unresponsive or unclear

With the right support, deadlines stay predictable and tax liabilities are planned, not reactive.

Why choose Sleek as your UK tax accountant

Choosing a tax accountant is about more than filing returns, it’s about accuracy, structure and staying compliant as your finances grow. Sleek combines qualified UK accountants with a secure digital service, giving you reliable support wherever you are.

Sleek combines qualified UK-based accountants with a secure digital platform, giving you national coverage without the limitations of a local firm.

Loved by entrepreneurs across the world

Stephen Hendry

CEO & Founder, SEFP LTD

“Emma has been amazing with the set up and formation of our company. She’s always at the end of the phone and has gone well beyond what’s required. Highly recommend and can’t wait to use her again for the next company purchase”

Oluwatosin Omotola

Entrepreneur, Founder, Omotola Ajayi Travelts Ltd

“I consider myself very lucky to have come across this wonderful organisation that helped me register my company. I was so confused and didn’t know how to go about it.”

Maximilian Cater

CEO & Founder

“Dealt with Emma Clark, Easy efficient and couldn’t praise how easy process to deal with open 2 companies and can’t praise how well she dealt with both.”

Seb Francis

Co-Founder & Director, Titus Learning Ltd

“Nicky was extremely good at explaining the most productive ways of me getting my business set up and very friendly throughout the entire process, this experience alone, was far better and more informative than all the other companies I have spoken to.”

Kira

Entrepreneur

“What made special about our experience with the company is working with Nicky Perucho, Head of UK Incorporations. Every our request was met with care and speed in execution. Many thanks for looking after our account!”

Victoria Haynes

CEO & Founder, Neon Hop

“Emma was brilliant!! This was my first business set up so there was a lot of things I was unsure of and she helped me from the beginning to the end, I even called a few times after the set up and she was always very welcoming and helpful”

FAQs on tax accountant UK

What does a tax accountant in the UK do?

A tax accountant UK prepares and files tax returns, calculates liabilities and ensures compliance with HMRC regulations. This can include Self Assessment, Corporation Tax, VAT and director tax planning. Beyond filing, a structured tax accountant also monitors deadlines, applies relevant reliefs correctly and reduces the risk of penalties through proactive oversight.

Do I need a tax accountant for a limited company?

Most limited companies benefit from a tax accountant. Directors must file annual accounts, Corporation Tax returns and often a personal tax return. Mistakes can lead to penalties or overpaid tax. A qualified tax accountant ensures filings are accurate, deadlines are met and remuneration is structured efficiently within UK tax rules.

How much does a tax accountant cost in the UK?

The cost depends on your business structure and complexity. A sole trader with a simple return will pay less than a VAT-registered limited company. Many online tax accountant UK services operate on fixed monthly pricing such as Sleek at £60/m, providing clarity and predictable costs rather than reactive billing.

Helpful guide: Cost of accountants for limited companies

Is an online tax accountant UK reliable?

Yes, provided the firm is UK-based and compliance-focused. A reputable online tax accountant UK uses secure systems, digital document handling and qualified professionals. National digital services like Sleek often provide faster turnaround and clearer communication than traditional local firms.

Can a tax accountant deal with HMRC enquiries?

Yes. A tax accountant can respond to HMRC correspondence, manage compliance checks and represent you during enquiries. Early professional involvement reduces the risk of incorrect responses and ensures information is submitted accurately and within required deadlines.

When should I switch tax accountants?

You should consider switching if deadlines are missed, communication is slow or advice lacks clarity. Many businesses move when they outgrow basic bookkeeping support and require structured tax planning. Transitioning to a new tax accountant UK service is usually straightforward and managed professionally.

Can a tax accountant reduce my tax bill legally?

A tax accountant cannot remove tax obligations, but they can ensure you only pay what is legally due. By applying allowable expenses, reliefs and appropriate remuneration strategies, they help structure your affairs within UK tax legislation without crossing into tax avoidance or non-compliance.

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