Chartered Certified Accountants in Wallington, Croydon, London, Surrey, Purley, & Sutton

We are traditional accountants with experience, knowledge and a service that you can trust

Based in Wallington, Surrey we have been helping clients since 1994 and honed our accountancy service and specialisation in delivering first class service with accounts, tax and tax planning and business advice.

Who are our clients?

They range from individuals including landlords with single or multiple properties across London requiring assistance with accountancy, tax and tax planning to owner managed businesses in a variety of activities seeking clear, expert advice and high personal service. Our clients are based all across Central and Southern London including Sutton, Surrey, Croydon and Purley.

Whatever your needs, we are here to help

We are a reliable, approachable, proactive firm of accountants who will do more than just respond to your needs but work alongside you.

Quality Assurance

Quality advice and service have been the ethos of our business since we were established. You can be assured that you will receive excellent accountancy advice and first class service whether you are business or a personal client.

Our approach to accountancy is simple, we listen to clients

At AS Partnership Chartered Certified Accountants trust, partnership and combined vision are just some of the qualities we are proud to share with our clients. Based in Wallington, Surrey we serve those in Croydon, Purley, Sutton Surrey and the surrounding areas. In addition, we also have access to meeting facilities in Central London. We work with local businesses and individuals to provide them with the very best financial advice and accountancy services.

Please read more about our services, and learn more about us to help you make an informed decision before you contact us.


Services Individuals & businesses

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Whatever your needs, whether you are a business or an individual seeking financial advice we are here to help.

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Resources Tools at your fingertips

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Access to useful resources including: calculators and market data together with access to HMRC and Companies House forms.

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Have we convinced you yet?

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Please feel free to get in touch with us via phone, email or our quick online contact form.

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The current hot topic

MTD for Income Tax

The introduction of Making Tax Digital (MTD) for Income Tax is just around the corner. Those with qualifying income over £50,000 in the 2024/25 tax year will need to use MTD from next April. Here we look at who will be affected and what they need to do now.

Qualifying income

For the first phase of MTD for Income Tax the mandated income types are property (including foreign property) and self-employment for those not in a partnership.

Those that qualify will legally be required to use MTD from the following dates:

  • April 2026, if qualifying income is over £50,000 in the 2024/25 tax year
  • April 2027, if qualifying income is over £30,000 in the 2025/26 tax year
  • April 2028, if qualifying income is over £20,000 in the 2026/27 tax year.

How does MTD apply?

HMRC research suggests many people are unsure which developments apply to them. So, what are the rules on records and software?

MTD involves keeping and preserving specific accounting records in a prescribed digital format and transmitting information to HMRC digitally. It does not mean having to scan and store receipts and invoices digitally, as originally envisaged.

MTD rules require what is called functional compatible software for record keeping purposes. To make submissions to HMRC, the software is linked with HMRC systems, and there is a specific authorisation process at the outset (and every 18 months afterwards) to do this.

The rules require an uninterrupted digital journey to HMRC, information flowing from the accounting records to the digital filing, without manual input.

Spreadsheets can form a component part of digital record keeping, provided that the product that consolidates records or summary records from the spreadsheet is digital.

The penalty regime

Self assessment taxpayers due to join MTD for Income Tax next April will not face penalties if late filing quarterly updates.

In the Autumn Budget 2025 documents, the government said it will not charge penalty points if those joining MTD fail to submit any of their compulsory quarterly updates of income and expenses late during 2026/27. 

This means that the first group of taxpayers earning non-PAYE income over £50,000 will not be liable for new penalty regime under MTD until April 2027.

HMRC will apply the new penalty regime for late submission and late payment to all income tax taxpayers due to join the new system from 6 April 2027.

The new system is based on a points-based sanctions regime and will penalise those who persistently do not comply by missing filing and payment deadlines.

Under the new regime, when a taxpayer misses an annual submission deadline, they will incur a penalty point. A taxpayer becomes liable to a fixed financial penalty of £200 only after they have reached the points threshold of two for late submission of their final declaration.

How we can help

If you want to know more about MTD for IT or wish to start preparing for the digital journey ahead, please contact us. We can help you comply with HMRC’s requirements, select the right software and prepare for the changes to come.