Register for Self Assessment and Get Your UTR

Q: What if I missed the 5 October deadline?

Register as soon as possible; we can also file late .

We register you with HMRC for Self Assessment, get your UTR and then file your first return, all for one fixed fee.

★★★★★ Rated Excellent by clients on Google

Standard

£199 + VAT

One-off fixed fee. No hidden extras.

SA100 return prepared and filed online
Employment, self-employed, rental, dividend and investment income
Tax liability calculated, refund claimed if due
Allowances and reliefs checked
Filing confirmation sent to you

Trusted by 270+ businesses

Sole traders, landlords and directors

Qualified accountants

ICAEW, ACCA and AAT qualified team

Fixed fee, no surprises

Agreed up front, paid securely online

Part of Accotax

A trading style of Accotax, accotax.co.uk

Overview

Register with HMRC the right way

You must register for Self Assessment by 5 October following the end of the tax year in which you became self-employed or had other untaxed income. HMRC then issues a UTR, a 10-digit Unique Taxpayer Reference.

We register you, chase your UTR and activation code, and prepare your first return so you are compliant from day one.

This service is for you if…

You started working for yourself
You started renting out property
You have untaxed income or gains
You earn over £100,000
You need a UTR
You have received a letter from HMRC

What we do for you

What is included in our register for self assessment service

HMRC registration

We complete your registration with HMRC and guide you through the process.

UTR and online account

We help you activate your Government Gateway account and file online.

Tax calculation

You see your Income Tax, National Insurance and any payments on account before we file.

Online filing with HMRC

We file securely online and send you the filing confirmation and your SA302 tax calculation.

Deadlines and payments

We tell you exactly what to pay, how much, and when, including payments on account.

Accountant support

Ask us questions by phone, email or WhatsApp throughout, from a qualified accountant.

Know the rules

Key Self Assessment rules for register for self assessment

Register by 5 October after the tax year in which income began.
Your UTR is posted within about 10 working days (longer if abroad).
Self-employed income over £1,000 usually triggers registration.
You do not need to register if your income is under the trading allowance and you are not otherwise required.
Penalties apply if you fail to notify HMRC.

How it works

Your tax return done in four simple steps

Order online

Choose your package and pay securely online. Your fixed fee is confirmed before we start.

Send your details

Complete our short questionnaire and upload your documents. We tell you exactly what we need.

We prepare your return

A qualified accountant prepares your SA100, checks reliefs and sends you the figures to approve.

We file with HMRC

Once you approve, we file online and send your filing confirmation and tax calculation.

Client reviews

Rated by our clients on Google

      EXCELLENT  
   Based on 300 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Jamie Fletcher 
 
 
 
 Trustindex verifies that the original source of the review is Google. It was a pleasure working with Anum on our accounts. The whole process was swift and effortless, and it was one less thing to worry about. I'd highly recommend them.
  
 
      Posted on Google  
   
   Mansur Liman 
 
 
 
 Trustindex verifies that the original source of the review is Google. Accotax have been our accountants for many years now. We maintained them, because of their professionalism. In the last coiple of years, i have working with Imran, who has been very professional and helpful in guiding us through the whole process explaining and clarifying every aspect of it. Very prompt in responding to questions and patient with us even when we seem to be slow. I really enjoy working with him. Thank you
  
 
      Posted on Google  
   
   Muna Mohamoud 
 
 
 
 Trustindex verifies that the original source of the review is Google. I highly recommend Imran to anyone looking for a reliable and knowledgeable accountant. He helped me sort out a very complicated backlog of accounts and prepared my overdue tax returns with professionalism and attention to detail.

Throughout the process, he was incredibly patient, took the time to answer all of my questions, and explained everything clearly. He guided me through each step and helped rectify issues that had built up over time, making what felt like an overwhelming situation much more manageable.

I'm very pleased with the service I've received and truly appreciate his support. If you need help with your accounts or taxes, I would highly recommend Imran.
  
 
      Posted on Google  
   
   Sergey M 
 
 
 
 Trustindex verifies that the original source of the review is Google. I had a positive experience with Accotax. The work was completed promptly, my tax return was successfully filed, and I received a refund of overpaid tax. I found the cooperation efficient and helpful. Special thanks to Muhammad Saifullah for his assistance.
  
 
      Posted on Google  
   
   Ebba Qureshi 
 
 
 
 Trustindex verifies that the original source of the review is Google. Fabulous team at ACCOTAX - very efficient and good response time . Honest and professional with their work. I would highly recommend them even if you’re a young start up - or a large business they have it covered .
  
 
      Posted on Google  
   
   Mael Leboucher 
 
 
 
 Trustindex verifies that the original source of the review is Google. We worked with a few different accountants before finally settling with Accotax, and we’re really glad we did.

Their team is great. Abdul is responsive and easy to reach whenever I have a question, which makes a big difference. They take the time to understand how our business works and what our needs are. They are very knowledgeable, and when they don’t have the answer straight away, they take the time to look into it and get back to us quickly.

Anum, who looks after our account on a day-to-day basis, including reconciling invoices and preparing the annual accounts, is amazing. She is professional, efficient, and follows the processes we have put in place together. She's also very quickin getting back to us whenever needed. We’re very happy to work with her and hope to continue doing so for as long as possible.

Overall, Accotax has made our accounting experience much smoother and easier. We see them as a long-term partner as our business continues to grow.

I would 100% recommend them.
  
 
      Posted on Google  
   
   3rd Hub 
 
 
 
 Trustindex verifies that the original source of the review is Google. Imran provides a very dependable and straightforward accounting service. He is always responsive and professional when managing our accounts. Excellent support.
  
 
      Posted on Google  
   
   Martin Tyrrell 
 
 
 
 Trustindex verifies that the original source of the review is Google. I have really impressed to date with all dealings with Accotax highly enough. From day one, they've made what can often be a complicated and stressful part of running a business feel straightforward and hassle-free.

A special mention has to go to Anum, who has been friendly, incredibly responsive, and genuinely cares about providing the best possible service. No question is ever too much trouble, and she consistently goes above and beyond to make sure everything is dealt with efficiently.

I wouldn't hesitate to recommend you to anyone looking for an accountant they can genuinely trust.
  
 
      Posted on Google  
   
   Matthew Lyon 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great speedy service and very personable. Anum dealt with my income certificate and did everything quickly and helped me out massively. Very happy with the service provided.
  
 
  
  
 
 
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