Tax Return Services in the UK

Filing your tax return can be a complex and time-consuming process, especially with the ever-changing tax rules and regulations. At Jermyn & Co, we provide expert tax return services for individuals, sole traders, partnerships, and companies, ensuring your returns are accurate, compliant, and submitted on time.

Whether it’s a self-assessment, corporate tax return, or VAT filing, our experienced team simplifies the process and helps you optimise your tax position.

Why Jermyn & Co?

Why Choose Jermyn & Co for Tax Returns?

At Jermyn & Co, we take the stress out of filing tax returns, offering services that:

  • Ensure Accuracy – Prepare and file error-free returns that comply with HMRC requirements.
  • Save You Time – Let us handle the paperwork while you focus on your business or personal priorities.
  • Optimise Tax Efficiency – Identify deductions, reliefs, and allowances to minimise your tax liability.
  • Avoid Penalties – Ensure timely submissions to avoid fines and interest from HMRC.

Our proactive approach ensures you meet your tax obligations while making the most of your money.

Expert Advice

Tailored Support

Compliance Confidence

Tax Savings

Jermyn & Co

Explore Our Core Tax Return Services

We provide comprehensive tax return services tailored to your needs:

  • Trust and Estate Tax Returns
    Provide support for trustees and executors in managing tax obligations for trusts and estates.
  • Self-Assessment Tax Returns
    Prepare and file returns for individuals, including those with multiple income streams, self-employed professionals, and landlords.
  • Corporate Tax Returns
    Manage corporation tax filings for businesses, ensuring compliance and optimisation of tax reliefs.
  • Partnership Tax Returns
    Handle partnership tax filings, including the allocation of profits to partners for self-assessment.
  • VAT Returns
    Prepare and file VAT returns, ensuring compliance with Making Tax Digital (MTD) and HMRC regulations.
  • Capital Gains Tax (CGT) Reporting
    Assist with reporting gains from property sales, investments, and other assets, minimising CGT liabilities.

Jermyn & Co

What our clients say about their experience with us

Definitely worth 5 stars. Would highly recommend.Extremely helpful with both my personal and business accounts.


Willewhar via Google

Carl and his team has been great doing our business accounts and self assessment. Always willing to answer any questions we may have and explain things if necessary. He always thinks about his clients needs and we are very happy for Jermyn & Co to be our accountants.


Linda Thorpe via Google

I have been a customer of Karl for some years now and have always found him and his team approachable, professional and friendly. All my questions and accounting issues are answered and dealt with quickly and he is always happy to help in anyway. I couldn’t recommend them enough.


Sue Hull via Google

I’ve just switched my accountant to here, and found out i had been paying unreasonable tax for my business with my previous accountant. Karl is very professional and very experienced. Great service!


Vinse M.Y. via Google
they do this job

Karl Jermyn has been my accountant for many years. He has always provided helpful, timely and accurate advice and has been a great support in managing the tax returns for our Trust.


Sarah Stallebrass via Google

They offer an excellent, personal, down to earth, great value service. Always there when needed. Would highly recommend.


Andrew R Heaford via Google

I have been a customer for a number of years and am a very small company in terms of turnover. The service and guidance I have received over the years from the staff especially Karl has been fantastic! I am always late getting my books in but they always turn them around in double quick […]


Nicky via Google

Karl and his team have done our accounts for quite a few years now.We have always been happy with them and any queries we have are answered promptly.Highly recommend.


Amanda McFarlane via Google

The team at Jermyn & Co has always been really helpful and efficient in resolving any issues. Karl has offered me good advice over the years and helped me to develop my business.


Peter Cairns via Google

Very personable attention from staff. I value the advice from, frank discussions with, Karl


Matt Langley via Google

Jermyn & Co

Frequently Asked Questions about Tax Returns

You may need to file a tax return if you are self-employed, earn income from property or investments, are a company director, or have untaxed income.

For online self-assessment returns, the deadline is 31 January following the end of the tax year. Paper returns must be submitted by 31 October.

Yes, we can assist with late filings and work to minimise penalties and interest charges.

We’ll help you identify eligible expenses, reliefs, and allowances to optimise your tax position and reduce your liabilities.

Jermyn & Co

How We Help You Succeed

At Jermyn & Co, we go beyond filing tax returns to provide strategic advice that helps you plan for the future. Whether you’re managing personal tax obligations, running a business, or dealing with complex financial arrangements, our expertise ensures you stay compliant and maximise savings.

With our support, you can have peace of mind knowing your tax affairs are handled professionally and efficiently.

Our Accountancy Services

We offer a range of services to help you manage your finances and grow your business.

Why Jermyn & Co?

Why Choose Jermyn & Co for Your Accounts?

At Jermyn & Co, we’re more than just accountants – we’re your partners in success. Our accountancy services are designed to help you:

  • Stay Compliant – Ensure your financial records meet HMRC and Companies House requirements.
  • Save Time – Let us handle the numbers while you focus on growing your business.
  • Improve Efficiency – Streamline processes and reduce errors with expert support.
  • Plan for Growth – Use actionable insights to guide your financial decisions and achieve your goals.

With our proactive approach, you’ll gain the confidence and clarity you need to succeed.

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Why Jermyn & Co?

Why Choose Jermyn & Co for Business Tax?

Tax legislation in the UK can be complex and ever-changing, but with Jermyn & Co by your side, you’ll have access to expert advice and practical solutions.

Our services include:

With our expertise, you can focus on running your business while we handle the numbers. We’re committed to helping you stay ahead of deadlines and legislation changes.

Corporation Tax Compliance

VAT Services

R&D Tax Credits

Tax Planning and Advisory

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Why Jermyn & Co?

Why Choose Jermyn & Co for Personal Tax?

At Jermyn & Co, we understand that everyone’s financial situation is unique. Our personal tax services are designed to help you:

  • Optimise Tax Efficiency – Leverage allowances, reliefs, and deductions to minimise your tax liability.
  • Ensure Compliance – Stay on top of filing deadlines and HMRC requirements to avoid penalties.
  • Plan for the Future – Align your tax strategy with your long-term financial goals.
  • Simplify Tax Complexity – Let us handle the details so you can focus on what matters most.

From simple tax returns to complex financial arrangements, we provide expert advice and support tailored to your needs.

Proactive Tax Planning

Expert Guidance

Tailored Solutions

Stress-Free Compliance

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Why Jermyn & Co?

Why Choose Jermyn & Co for Corporate Finance?

At Jermyn & Co, we understand that every business is unique. Our experienced team offers a personalised approach to corporate finance, helping you:

  • Secure Financing – Access the funding you need for expansion, acquisitions, or working capital.
  • Plan for Growth – Develop tailored financial strategies to achieve your business objectives.
  • Manage Mergers & Acquisitions – Navigate complex transactions with confidence, from valuations to negotiations.
  • Optimise Financial Performance – Streamline processes, reduce costs, and maximise profitability.

Whether you’re a start-up seeking investment or an established business exploring new opportunities, we’ll provide the expert guidance you need to succeed.

Business Valuations

Mergers & Acquisitions (M&A)

Fundraising & Investment

Financial Modelling
& Forecasting

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Why Jermyn & Co?

Why Choose Jermyn & Co for HR Services?

At Jermyn & Co, we understand that every business is unique, and so are its HR needs. Our tailored HR services help you:

  • Stay Compliant – Meet the latest UK employment laws and regulations with ease.
  • Save Time and Resources – Let us handle the admin while you focus on growing your business.
  • Engage Your Team – Build a positive, productive workplace with our employee engagement solutions.
  • Grow with Confidence – Ensure your HR strategy aligns with your long-term business objectives.

Whether you need ongoing HR support or help with a specific issue, our experienced team is here to assist.

Payroll Management

HR Compliance

Employee Engagement & Retention

Training & Development

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Ready For Us To Complete Your Tax Return?

Talk To Us

Schedule a free consultation to discuss your tax needs.

Plan and Prepare

We’ll review your financial records and prepare your return.

File with Confidence

Submit accurate, compliant tax returns on time with our expert support.