AS Associates
Enquire now
Menu
ServicesWho we helpResourcesNewsAboutContact

Start your Self Assessment

Let us prepare and file your tax return, claim everything you’re entitled to, and tell you exactly what to pay and when.

Online returns for 2025 to 2026 are due by 31 January 2027. Questions first? Call 020 8432 2072.

  1. 1

    Send us your details

    Fill in the form below. It takes about 5 minutes.

  2. 2

    We agree a fee

    We confirm a fixed fee for your return before any work starts.

  3. 3

    We get authority from HMRC

    We register as your agent so we can deal with HMRC for you. HMRC may send you a code to confirm it.

  4. 4

    We prepare and file your return

    We ask for your records, prepare the return, and file it once you’ve approved it.

About you

Your tax return

Are you registered for Self Assessment?
What income did you have? Tick all that apply.
Who did your last tax return? (optional)

Anything else?

We’ll use these details to prepare your return and act for you with HMRC, as explained in our privacy notice. Please don’t send bank statements or other documents through this form; we’ll ask for what we need securely.