Self assessment outsourcing for UK practices
SA100s prepared and reconciled, ready to review and file — clear the January rush.
What's included
Outsource self assessment tax returns to a remote UK team. We prepare SA100s and supplementary pages, reconcile the figures and hand them back ready for your review and filing — so January stops owning your practice.
SA100 & supplements
Employment, self-employment, property, dividends, capital gains and foreign pages.
Reconciled figures
Income and expenses tied back to records, with reliefs and allowances applied.
Review-ready
Returns come back checked, with a summary of the tax position for your sign-off.
January capacity
Turn around volume through the deadline without burning out your team.
Why practices hand this to us
You keep the client and the relationship. We do the production work — inside your software, reviewed before it reaches you.
The upside
- Absorb the seasonal self-assessment spike with flexible capacity.
- Reduce errors with a reviewed, reconciled return.
- Protect your team from January overload.
- Job-based, hourly or a dedicated resource — you choose.
Related outsourcing services
Self assessment — your questions answered
Do you file the returns?
Which pages can you handle?
Can you handle high volumes in January?
Add qualified capacity — without hiring
Book a free discovery call and we'll map your software, standards and turnaround needs.