Paper Self Assessment returns
Paper returns for the 2025 to 2026 tax year must reach HMRC by 11:59pm.
For businesses and individuals
Islington and Waltham Abbey accountants
CWA prepares accounts, tax returns and payroll for sole traders, start-ups, limited companies and families, from offices in London N1 and Essex. Fixed fees, unlimited phone support and a free first consultation.
Key dates
Making Tax Digital quarterly update
The update for 6 April to 5 October, for sole traders and landlords already using Making Tax Digital.
Last day to pay through your tax code
File online by 11:59pm and HMRC can collect a bill under £3,000 through your PAYE tax code.
Online returns and tax due
Online returns for 2025 to 2026, the tax you owe and your first payment on account.
Making Tax Digital quarterly update
The update for 6 April to 5 January.
Making Tax Digital reaches £30,000
Sole traders and landlords with qualifying income over £30,000 must start using it.
Final quarterly update for 2026 to 2027
The update covering the whole tax year, 6 April to 5 April.
Second payment on account
Usually half of last year's tax, paid towards your 2026 to 2027 bill.
Checked against GOV.UK on 27 October 2026. All key dates
We are an independent firm of accountants and tax advisers in Islington and Waltham Abbey. We keep your accounts, tax and payroll in order, and tell you in plain English what the numbers mean for you.
Fixed fees
Agreed before work starts, so there are no surprises on the invoice.
Unlimited phone support
Call your accountant whenever you need to, at no extra cost.
Led by a former HMRC officer
Our tax department is headed by someone who has seen it from HMRC's side.
33 years of experience
Our principal, Ali Arif, leads a team of 26 across two offices.
Facts as stated on CWA's current website; to confirm before launch.
Accounting and tax, under one roof
Everything a small business, landlord or family needs from an accountant.
Self Assessment tax returnsWe prepare and file your Self Assessment tax return, work out what you owe, and deal with HMRC for you.Making Tax Digital for Income TaxIf you are a sole trader or landlord with qualifying income over £50,000, Making Tax Digital for Income Tax applied from 6 April 2026.Bookkeeping and annual accountsWe keep your books, prepare management accounts during the year and produce your annual accounts for Companies House and HMRC, so you always know where the business stands.Corporation TaxWe prepare your company's tax computation and Company Tax Return, claim every allowance and relief you are entitled to, and tell you what to pay and when.VAT returns and registrationWe register you for VAT when you need it, prepare and submit your VAT returns through Making Tax Digital software, and represent you if HMRC queries a return.PayrollWe run your payroll every pay period: payslips, PAYE and National Insurance, statutory pay, pension contributions and the real-time reports HMRC needs on or before payday.Starting a businessWe help you choose the right structure, form your company at Companies House, register with HMRC and set up bookkeeping, so the business starts on the right footing.Company secretarialWe keep your company compliant with Companies House: confirmation statements, statutory registers, minutes, resolutions and changes of officers, plus a registered office address if you need one.Personal tax planningWe look at your income, investments, property and plans together and show you, in figures, how to pay the right amount of tax and no more.
Answers to this season's questions
- Making Tax Digital for Income Tax: does it apply to you?If you are a sole trader or landlord and your self-employment and property income before expenses was over £50,000 in 2024 to 2025, you should have started using Making Tax Digital for Income Tax on 6 April 2026.
- When is the Self Assessment deadline for 2025 to 2026?For the 2025 to 2026 tax year, HMRC must receive an online return and any tax you owe by 11:59pm on 31 January 2027.
- When is the paper Self Assessment deadline?HMRC must receive a paper tax return for the 2025 to 2026 tax year by 11:59pm on 31 October 2026.
What our clients say
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Frequently asked questions
Answers to confirm with CWA before launch.
How much do you charge?
Fees are fixed and agreed before any work starts, based on what you need. Your first consultation is free, so you know the cost before you commit.
Can you take over from my current accountant?
Yes. With your permission we contact your previous accountant for your records and handle the hand-over, so nothing is missed.
Do I have to come into an office?
No. You can work with us by phone and email, or meet us at our Islington or Waltham Abbey office if you prefer.
Which software do you work with?
We have long experience with Sage and work with the main cloud packages. We can help you move if your current set-up is not working.
Two offices
Waltham Abbey
Lockkeepers Cottage, Unit 36, Hazlemere Marina
Waltham Abbey EN9 1FJ
Local number to confirm