UK Self Assessment (SATR)

Self Assessment tax return filing for UK individuals, sole traders, NRIs, and company directors

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UK Self Assessment (SATR)

TAX NOVA GLOBAL SOLUTIONS LLP prepares and files UK Self Assessment Tax Returns (SATR) for UK-based individuals, sole traders, NRIs with UK income, company directors, and landlords. We ensure all UK income sources are correctly reported and all eligible reliefs and allowances are claimed.

UK Self Assessment is the annual tax return process through which individuals with certain types of income report their earnings and calculate their UK Income Tax and National Insurance liability. Our SATR practice covers registration for Self Assessment, return preparation and submission, capital gains tax reporting, foreign income disclosure, and HMRC payment on account planning.

All income types covered — Employment, self-employment, rental, foreign, investment, capital gains — all income sources correctly reported in the SATR.
NRI & non-resident returns — Specialist handling of SATR for non-UK residents with UK rental income, capital gains, or other UK-source income obligations.
Capital Gains Tax reporting — UK residential property CGT returns (60-day report) and annual CGT reporting for shares, assets, and other disposals.
HMRC payment planning — Payment on account planning and advisory to avoid surprise tax bills and interest/penalty charges.

What We Cover

Detailed breakdown of our UK Self Assessment (SATR) services

Self Assessment Registration (UTR)

Registration with HMRC for Self Assessment and procurement of Unique Taxpayer Reference (UTR) for new Self Assessment taxpayers — including sole traders, landlords, and directors with untaxed income.

Tax Return Preparation & Filing

Preparation and online filing of UK Self Assessment Tax Return (SA100 and supplementary pages) covering all income sources, reliefs, and allowances, with submission to HMRC by the 31 January online deadline.

Rental Income & Foreign Income Disclosure

Reporting of UK rental income (SA105) including allowable deductions, wear and tear allowance, and property finance cost relief — and disclosure of foreign income (SA106) from overseas sources with applicable treaty relief.

Capital Gains Tax Reporting (CGT)

Reporting of capital gains on disposal of UK property, shares, and other assets (SA108) — including calculation of gain, indexation (historic), CGT annual exemption, and UK residential property 60-day CGT return (PPDCGT).

HMRC Payment on Account Planning

Advisory and planning for payments on account (POA) due in January and July — including applications to reduce POA where income has fallen, to improve cash flow management.

Penalty Mitigation & Appeals

Assistance with late filing penalty mitigation (reasonable excuse appeals), amendment of previously submitted returns, and management of HMRC enquiries into Self Assessment returns.

Director Self Assessment

SATR preparation for UK company directors covering salary, dividends, benefits in kind, and any other income sources — coordinated with the company's Corporation Tax position.

High Income Child Benefit Charge

Calculation and reporting of the High Income Child Benefit Charge (HICBC) for individuals with income over £60,000 who or whose partner receive Child Benefit payments.

Who This Service Is For

Clients we regularly assist with UK Self Assessment (SATR)

UK Company Directors

Self-Employed Individuals & Sole Traders

UK Landlords

NRIs with UK Rental / Investment Income

High Earners (>£100,000)

Individuals with Capital Gains

Frequently Asked Questions

Common questions about our UK Self Assessment (SATR) service

Who needs to file a UK Self Assessment return?

You must file a Self Assessment return if you are: self-employed with income over £1,000; a company director; have rental income; have foreign income; have income over £100,000; have Capital Gains Tax to pay; or receive certain other untaxed income. HMRC may also send you a Notice to File even if none of these apply.

What is the UK Self Assessment filing deadline?

Paper returns: 31 October (following the tax year end on 5 April). Online returns: 31 January (following the tax year end). Tax payment: 31 January. Second payment on account: 31 July. Late filing attracts an automatic £100 penalty, increasing for longer delays.

I am an NRI — do I need to file a UK Self Assessment?

If you have UK-source income (rental income, employment income, capital gains on UK property, or UK dividends) that is not fully taxed at source, you may need to file a UK Self Assessment return. Non-residents are subject to UK tax on UK-source income only, and applicable DTAA provisions may reduce or eliminate the UK tax liability.

Related Services

Other services that complement UK Self Assessment (SATR)

UK Corporation Tax (CT600)

UK VAT Services

NRI & Cross-Border Advisory

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