Sarah Collins
Self Assessment and Small Business Tax Author
Sarah Collins covers self assessment, self-employed tax, and small business finances in the UK.
Her content focuses on helping freelancers, contractors, sole traders, and side-hustle earners understand HMRC rules in plain English. She writes practical guides covering tax returns, expenses, CIS deductions, deadlines, and common mistakes that affect self-employed workers.
Topic focus
Articles Published: 11
Articles by Sarah Collins (11)
Corporation Tax Payment Details 2026
Make a Corporation Tax payment correctly using the right HMRC reference, payment method, accounting period and deadline.
YouTube AdSense Tax UK 2026/27: Complete Guide for Content Creators
YouTube AdSense tax UK 2026/27 guide. Learn how to pay tax on YouTube, AdSense, Facebook, TikTok, Twitch and monetisation income. Includes £1,000 allowance.
Self Assessment Tax Return UK: Complete Guide for 2026/27
Self Assessment tax return guide for 2026/27. Learn who needs to file, deadlines, how to register, complete your return, and avoid penalties.
Tax on Caravan Rental Income UK 2026/27
Renting out a caravan? Learn the tax implications including income tax, allowable expenses, FHL status, and how to report rental income to HMRC.
How Long to Keep Tax Records in the UK? Complete Guide 2026/27
How long to keep tax records in the UK. Learn the 5-year rule for Self Assessment, 6-year rule for businesses, and best practices for record retention.
How to Reduce Tax on Rental Income (Legally): UK Landlord Guide 2026
Reduce tax on rental income legally. Claim allowable expenses, use property allowances, and structure ownership to minimise your tax bill.
How to Calculate Tax on Rental Income UK 2026/27
Calculate tax on rental income step by step. Learn how to deduct allowable expenses, apply tax bands, and claim mortgage interest relief.
HMRC to Disclose AI Use in R&D Tax Claims: What This Means for Your Business
Tribunal orders HMRC to disclose AI use in R&D tax claims. Learn what the Elsbury ruling means for your business and how to protect your claims.
Tax on Dogs UK: Complete Guide to Dog Ownership Tax & Breeding Income (2026/27)
Is there tax on dogs in the UK? Learn about dog breeding tax, when it becomes taxable, allowable expenses, and how to report self-employed breeding income.
When Is Corporation Tax Due in the UK (2026–27): Complete Guide for Companies
When is UK corporation tax due? Key deadlines for 2026/27, how to calculate it, what happens if you miss payments, and how to avoid costly HMRC penalties.
How to Pay HMRC Online: Complete Step-by-Step Guide
How to pay HMRC online quickly and safely. Step-by-step guide to payment methods, deadlines, and what to do if you miss a payment. Updated for 2026/27.
Need Tax Calculations?
Use our free calculators to work out your exact tax and take-home pay
View All Calculators