Self Assessment Tax Return made simple
Make tax season easy and quickly file your Self Assessment tax return with Online Filings. We'll handle your tax return with care, speed, and zero jargon. Avoid mistakes, stay compliant, and make sure you only pay the tax you actually owe.
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Entrepreneurs
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Satisfaction guaranteed
Trusted by Thousands of Independent Contractors
Fast and reliable
The process was very smooth. I got my UTR without delays. Great service overall.
Sophie M., Leeds
18 Jan 2023
Straightforward and stress-free
Everything was clearly explained and easy to complete. Much simpler than dealing with HMRC directly.
Daniel R., Manchester
6 Apr 2023
Saved me a lot of time
I was worried about making mistakes, but the whole process felt reassuring and quick.
Hannah L., Bristol
29 Aug 2023
Clear and easy to use
The platform is intuitive and uses plain English. I knew exactly what to do at each step.
Mark T., Birmingham
14 Dec 2023
Excellent service
Everything was handled efficiently and communication was clear throughout.
Rachel P., Nottingham
22 Mar 2024
Fast and reliable
The process was very smooth. I got my UTR without delays. Great service overall.
Sophie M., Leeds
18 Jan 2023
Straightforward and stress-free
Everything was clearly explained and easy to complete. Much simpler than dealing with HMRC directly.
Daniel R., Manchester
6 Apr 2023
Saved me a lot of time
I was worried about making mistakes, but the whole process felt reassuring and quick.
Hannah L., Bristol
29 Aug 2023
Clear and easy to use
The platform is intuitive and uses plain English. I knew exactly what to do at each step.
Mark T., Birmingham
14 Dec 2023
Excellent service
Everything was handled efficiently and communication was clear throughout.
Rachel P., Nottingham
22 Mar 2024
Fast and reliable
The process was very smooth. I got my UTR without delays. Great service overall.
Sophie M., Leeds
18 Jan 2023
Straightforward and stress-free
Everything was clearly explained and easy to complete. Much simpler than dealing with HMRC directly.
Daniel R., Manchester
6 Apr 2023
Saved me a lot of time
I was worried about making mistakes, but the whole process felt reassuring and quick.
Hannah L., Bristol
29 Aug 2023
Clear and easy to use
The platform is intuitive and uses plain English. I knew exactly what to do at each step.
Mark T., Birmingham
14 Dec 2023
Excellent service
Everything was handled efficiently and communication was clear throughout.
Rachel P., Nottingham
22 Mar 2024
Fast and reliable
The process was very smooth. I got my UTR without delays. Great service overall.
Sophie M., Leeds
18 Jan 2023
Straightforward and stress-free
Everything was clearly explained and easy to complete. Much simpler than dealing with HMRC directly.
Daniel R., Manchester
6 Apr 2023
Saved me a lot of time
I was worried about making mistakes, but the whole process felt reassuring and quick.
Hannah L., Bristol
29 Aug 2023
Clear and easy to use
The platform is intuitive and uses plain English. I knew exactly what to do at each step.
Mark T., Birmingham
14 Dec 2023
Excellent service
Everything was handled efficiently and communication was clear throughout.
Rachel P., Nottingham
22 Mar 2024
Much simpler than HMRC
The HMRC website confused me, but this made things much clearer. No issues at all.
James W., Reading
9 Jul 2024
Quick turnaround
I did not expect it to be this fast. Clear instructions and a smooth process.
Emily C., York
3 Nov 2024
Helpful and easy
The whole experience was smooth and saved me a lot of stress.
Oliver B., Milton Keynes
17 Feb 2025
Very user-friendly
Everything was laid out clearly with no jargon. Ideal for first-time filers.
Priya K., London
6 Jun 2025
Reliable and efficient
I received confirmation quickly and felt confident everything was submitted correctly.
Tom S., Cambridge
11 Nov 2025
Much simpler than HMRC
The HMRC website confused me, but this made things much clearer. No issues at all.
James W., Reading
9 Jul 2024
Quick turnaround
I did not expect it to be this fast. Clear instructions and a smooth process.
Emily C., York
3 Nov 2024
Helpful and easy
The whole experience was smooth and saved me a lot of stress.
Oliver B., Milton Keynes
17 Feb 2025
Very user-friendly
Everything was laid out clearly with no jargon. Ideal for first-time filers.
Priya K., London
6 Jun 2025
Reliable and efficient
I received confirmation quickly and felt confident everything was submitted correctly.
Tom S., Cambridge
11 Nov 2025
Much simpler than HMRC
The HMRC website confused me, but this made things much clearer. No issues at all.
James W., Reading
9 Jul 2024
Quick turnaround
I did not expect it to be this fast. Clear instructions and a smooth process.
Emily C., York
3 Nov 2024
Helpful and easy
The whole experience was smooth and saved me a lot of stress.
Oliver B., Milton Keynes
17 Feb 2025
Very user-friendly
Everything was laid out clearly with no jargon. Ideal for first-time filers.
Priya K., London
6 Jun 2025
Reliable and efficient
I received confirmation quickly and felt confident everything was submitted correctly.
Tom S., Cambridge
11 Nov 2025
Much simpler than HMRC
The HMRC website confused me, but this made things much clearer. No issues at all.
James W., Reading
9 Jul 2024
Quick turnaround
I did not expect it to be this fast. Clear instructions and a smooth process.
Emily C., York
3 Nov 2024
Helpful and easy
The whole experience was smooth and saved me a lot of stress.
Oliver B., Milton Keynes
17 Feb 2025
Very user-friendly
Everything was laid out clearly with no jargon. Ideal for first-time filers.
Priya K., London
6 Jun 2025
Reliable and efficient
I received confirmation quickly and felt confident everything was submitted correctly.
Tom S., Cambridge
11 Nov 2025
How Online Filings Makes Self Assessment Simple, Secure & MTD‑Compliant
Step 1
Enter your Details
Step 2
We'll calculate the tax you owe
Step 3
Review your details before filing
Step 4
Your tax return has been filed
UTR numbers made simple with OnlineFilings
No UTR means no Self Assessment. If yours is missing, inactive, or incorrect, your tax return cannot be filed.
With OnlineFilings, you can apply for your UTR directly as part of the process. We check your details, handle the application or reissue, and make sure everything is ready so your return can be submitted without delays.
HMRC no longer confirms UTRs by phone, and requests can take up to 10 working days. Get this sorted early and avoid last-minute stress.
Why Choose Online Filings for Your Self Assessment?
Built for Entrepreneurs
Online Filings is designed for entrepreneurs who want to file their Self Assessment tax return accurately and on time, without stress. Our guided, mobile-friendly forms make it easy to report your income and expenses clearly, with plain English at every step.
Real Help When You Need It
Our support team is available by email, chat, or phone. Whether you have a quick question or need help submitting your application, real people are here to assist — no call centre scripts, just answers.
Secure & Compliant
Online filing keeps everything secure and compliant by submitting directly to HMRC, protecting your data, and giving you clear confirmation without paperwork, queues, or last-minute stress.
Self Assessment Tax Return FAQs
Everything you need to know about filing your Self Assessment tax return with Online Filings
Can’t find an answer?
To file a Self Assessment tax return, you need your income details for the tax year and a Unique Taxpayer Reference (UTR). If you already have a UTR, Online Filings will use it to prepare and submit your return. If you do not have one, or yours is missing or inactive, Online Filings can apply for a UTR or request a reissue on your behalf, so you do not need to contact HMRC yourself.
No problem. Online Filings can apply for your UTR on your behalf. You do not need to contact HMRC or complete separate registration forms. We handle this so your return can be filed as soon as your UTR is issued (usually within 10 working days).
The deadline for filing your Self Assessment tax return online is 31 January following the end of the tax year. Any tax owed is also due by this date. Filing early with Online Filings helps you avoid last-minute stress and penalties.
Yes. Online Filings prepares and submits your Self Assessment tax return to HMRC. We guide you step by step, check for common mistakes, and make sure everything is submitted correctly and on time.
Yes. Online Filings is ideal if you are filing Self Assessment for the first time. We help with registration, UTR applications if needed, and explain everything in plain English.
Once you have your information ready, most people can complete their return with Online Filings in a single session. If a UTR application is needed, HMRC usually takes up to 10 working days to issue it.
Can’t find an answer?
More Than Just a Tax Return
Ready to file your tax return?
Prefer to speak with someone?
Call 020 4538 3610
or email us at support@onlinefilings.co.uk
