Self assessment
tax return
Who needs to complete a Self Assessment tax return?
There are many reasons why you may need to complete a Self Assessment tax return. But as a general rule of thumb, if you receive any income that isn’t taxed at source, you’ll need to complete a Self Assessment. For example:
- You’re self-employed or are a partner in a business partnership
- You receive rental income
- You receive untaxed income, such as tips or commission
- You have income from savings or investments
- You have income from trusts or dividends
- You receive untaxed income, such as tips or commission
- You have capital gains or losses
- You claim tax relief or have business expenses
- You are a trustee or executor of an estate
Ready to get started?
If you’re unsure if you need to register and complete a Self Assessment tax return, please contact us and we’ll happily advise you.
Let us take control of your tax affairs so you don’t have to. Our tax aficionados are ready and waiting to help you with personal tax, Self Assessment tax and tax planning.
To start your journey with us, get in touch below, and one of our tax experts will arrange an introductory consultation.
More services from Tax
“With regular changes to the tax landscape, including complex regimes and greater emphasis on business responsibilities, we’re here to alleviate your stress. We love getting to grips with knotty tax problems and providing you with useful and practical advice.”

PARMINDER CHATTA
Partner
Let’s work together on your growth journey
We work with forward-thinking businesses and entrepreneurs who are going places. Let us join you on your journey.
What makes us different
01
We have high calibre experts. Our team has years of experience and academic backgrounds meaning you’re dealing with seasoned professionals.
02
We’re tech-enabled, but human-led. There are no robots here, just our talented team who use tech to work more efficiently with you.
03
We look beyond the balance sheet. We don’t just do the job in hand, we’ll actively work with you and offer advice to help you grow.
04
We cover everything in the world of accounting. Ranging from everyday financial worries to complex business challenges.
05
We can grow as you grow. Our service is designed so you can scale our team up or down to suit your needs.
06
We understand time is money. It’s why we provide real-time financial data which can help you capitalise on opportunities, plan better and grow faster.
“The Outsourced Accounting team are truly an extension of my US-based Accounting and Tax Team. The team take great care in our day-to-day operations, which can be quite complex, and they provide our monthly reporting packages on time, every time. The firm’s partners are excellent sounding boards and are quick to respond to our technical accounting and taxation queries. Not only are they true professionals and trusted business partners, but they are also loyal to our family of brands.”
US-based quick service outlet with worldwide reach
“The Gravita team did a superb job moving us over from a 2003 version of Sage to a modern version of Xero. They handled a complex migration with focus and professionalism. Thanks to them and their tech knowledge, our day-to-day finance functions are significantly more efficient. We’re very appreciative!”
YO! Limited
Director

Insights

The countdown is still on for MTD for ITSA, use the Christmas period to start your digital journey.
Written by Tax Partner, Thomas Adcock The countdown is still on for MTD (Making Tax Digital) for ITSA, are you one of the 4.2million taxpayers

Submitting your tax return in good time over the festive period
Written by Tax Partner, Michaela Lamb Do you leave your tax return to the last minute? At Gravita, we love a statistic, and last year

MTD for Income Tax by April 2026: Compulsory digital record keeping and quarterly filing requirements for landlords and unincorporated businesses
Written by Tax Partner, Thomas Adcock MTD: Big changes are coming in April 2026; the way you keep your records and how often you report