Self Assessment and UK Tax, Explained Plainly
Practical guides for first-time filers, sole traders, landlords and company directors, written for the current UK tax year and checked against GOV.UK.
- Fixed monthly fees, no surprises
- Self Assessment returns filed online with HMRC
- Help with Making Tax Digital and company accounts
Fixed fees from £7.50/month – for self-assessment, £15/month for MTD and £25/month for Ltd company accounts.
Get a free, no-obligation quote
Tax Calculator 2nd Job (2026/27): Second Job Take-Home Pay UK
Tax Calculator 2nd Job (2026/27): Work Out Your Second Job Take-Home Pay Quick answer Use our tax calculator 2nd job tool below to see your combined take-home pay. You are not taxed more for having two jobs. Your Personal Allowance of £12,570 is usually used by your...
Corporate Tax Management 2026/27: Dates, Rates & Records
By Shamayun Chowdhury, Senior Accountant · Published: 10 October 2026 · Last reviewed: October 2026 · Applies to the 2026/27 tax year Quick Answer Corporate tax management is the routine that keeps a limited company's Corporation Tax under control. It covers...
Define Debtors and Creditors: UK Guide with Examples 2026/27
Written by Marina Jahan · Reviewed by Shamayun Chowdhury, ACMA, MAAT · Published: 10 October 2026 · Last reviewed: October 2026 · Applies to the 2026/27 tax year MerinTaxReturn is an information website. It does not prepare accounts or tax returns and does not give...
HM Revenue and Customs Register Self Employed: 2026/27 Guide
Written by Marina Jahan · Reviewed by Shamayun Chowdhury, ACMA, MAAT · Published: 9 October 2026 · Last reviewed: October 2026 · Applies to the 2026/27 tax year MerinTaxReturn is an information website. It does not prepare or file tax returns and does not give...
What Is a Government Gateway User ID? UK Guide 2026/27
Written by Marina Jahan · Reviewed by Shamayun Chowdhury, ACMA, MAAT · Published: 9 October 2026 · Last reviewed: October 2026 · Applies to the 2026/27 tax year MerinTaxReturn is an information website. It does not prepare or file tax returns and does not give...
Private and Limited Company: Is There a UK Difference?
Written by Marina Jahan · Reviewed by Shamayun Chowdhury, ACMA, MAAT · Published: 9 October 2026 · Last reviewed: October 2026 · Applies to the 2026/27 tax year MerinTaxReturn is an information website. It does not prepare or file tax returns and does not give...
Find a guide by topic
Pick the subject closest to your situation.
Self Assessment
Registering, filing, deadlines and payments on account.
2Self-Employed
Sole traders, freelancers and contractors.
3Limited Companies
Corporation Tax, company accounts and director pay.
4Expenses and Records
What you can claim and what to keep.
5Accountants and Fees
What accountants charge and what they need from you.
Self Assessment essentials
Who has to file, how to register and when HMRC wants the return. More Self Assessment guides →
HM Revenue and Customs Register Self Employed: 2026/27 Guide
Written by Marina Jahan · Reviewed by Shamayun Chowdhury, ACMA, MAAT · Published: 9 October 2026 · Last reviewed: October 2026 · Applies to the 2026/27 tax year MerinTaxReturn is an information website. It does not prepare or file tax returns and does not give...
What Is a Government Gateway User ID? UK Guide 2026/27
Written by Marina Jahan · Reviewed by Shamayun Chowdhury, ACMA, MAAT · Published: 9 October 2026 · Last reviewed: October 2026 · Applies to the 2026/27 tax year MerinTaxReturn is an information website. It does not prepare or file tax returns and does not give...
Do you Need all Receipts for Tax Return
Do You Need All Receipts for Tax Return in the UK? Tax season can be a stressful time for many individuals and businesses in the UK. One of the most common questions that arise during this period is: "Do I need all receipts for my tax return?" The answer to this...
Corporate Tax Management 2026/27: Dates, Rates & Records
By Shamayun Chowdhury, Senior Accountant · Published: 10 October 2026 · Last reviewed: October 2026 · Applies to the 2026/27 tax year Quick Answer Corporate tax management is the routine that keeps a limited company's Corporation Tax under control. It covers...
Private and Limited Company: Is There a UK Difference?
Written by Marina Jahan · Reviewed by Shamayun Chowdhury, ACMA, MAAT · Published: 9 October 2026 · Last reviewed: October 2026 · Applies to the 2026/27 tax year MerinTaxReturn is an information website. It does not prepare or file tax returns and does not give...
What is the extension deadline for corporate tax returns
Understanding the Extension Deadline for Corporate Tax Returns in the UK Navigating the complexities of corporate tax returns can be a daunting task for businesses in the UK. One of the most critical aspects of this process is understanding the deadlines for filing...
Accounts and Tax Returns for Private Limited Companies
Accounts and Tax Returns for Private Limited Companies in the UK: A Complete Guide Running a private limited company in the UK comes with a range of financial and legal responsibilities. Among the most critical are preparing annual accounts and filing tax returns....
Define Debtors and Creditors: UK Guide with Examples 2026/27
Written by Marina Jahan · Reviewed by Shamayun Chowdhury, ACMA, MAAT · Published: 10 October 2026 · Last reviewed: October 2026 · Applies to the 2026/27 tax year MerinTaxReturn is an information website. It does not prepare accounts or tax returns and does not give...
Do you Need all Receipts for Tax Return
Do You Need All Receipts for Tax Return in the UK? Tax season can be a stressful time for many individuals and businesses in the UK. One of the most common questions that arise during this period is: "Do I need all receipts for my tax return?" The answer to this...
Business Travel and Subsistence Expenses Tax Return
A Comprehensive Guide to Business Travel and Subsistence Expenses Tax Returns in the UK Introduction Navigating the complexities of tax returns can be daunting, especially when it comes to business travel and subsistence expenses. For many UK businesses and...
Allowable Expenses Self assessment Tax return
Allowable Expenses for Self-Assessment Tax Returns in the UK: A Complete Guide Filing a self-assessment tax return can feel overwhelming, especially when it comes to understanding what expenses you can claim to reduce your tax bill. Whether you’re self-employed, a...
Write for the Merin blog
Accountants, bookkeepers and finance writers with real UK tax experience can pitch a guest article for our readers.
Guest post guidelinesPrefer someone to file for you?
Fixed monthly fees, no surprises: