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UK Tax Tools

VAT & Business Tax

VAT registration and the £90,000 threshold, corporation tax small-profits and main rates with marginal relief, and other UK business-tax topics.

General

Director's Loan Account & S455 Tax 2025-26: The 33.75% Temporary Charge on Loans from Your Limited Company

How HMRC's S455 tax on overdrawn director's loan accounts works — the 9-month deadline after year-end, the 33.75% temporary charge, and the bed-and-breakfast trap.

directors-loan s455 limited-company
General

Corporation Tax Rates and Small Profits Rate 2025/26

How UK corporation tax rates work in 2025/26, including the 19% small profits rate, 25% main rate, and the marginal relief band in between.

corporation tax small profits rate marginal relief
Income Tax

IR35 Off-Payroll Rules: How They Affect Your Take-Home Pay

What IR35 means for contractors, how inside vs outside status affects take-home pay, and the key factors HMRC considers in status determination.

IR35 off-payroll contractor
VAT

VAT Registration Threshold: A Guide for Small Businesses

When you must register for VAT, the £90,000 threshold for 2025-26, voluntary registration pros and cons, and the flat rate scheme explained.

vat registration small-business
General

Employment Allowance: Reduce Your Employer NI Bill

How the Employment Allowance works for small businesses, who qualifies, and how to claim up to £10,500 off your employer National Insurance bill in 2025/26.

employment-allowance national-insurance employer-NI
VAT

Making Tax Digital (MTD): What You Need to Know

An overview of HMRC's Making Tax Digital programme, covering MTD for VAT, Income Tax Self Assessment, and what businesses need to do to comply.

making-tax-digital MTD HMRC
VAT

VAT Registration: When You Must Register and When It Pays to Register Voluntarily

VAT registration becomes compulsory once turnover exceeds £90,000, but voluntary registration can benefit some businesses. Here's what you need to know about the UK VAT threshold and registration.

VAT VAT-registration VAT-threshold

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Last updated 21 May 2026Tax year 2025-26

Data sources: HMRC (gov.uk/hmrc)

This tool is general information only, not financial advice.

Reviewed by UK Tax Tools Editorial Desk

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