Laying out the streets…STEP 1 OF 3

Self Assessment Software · Office #48,912

Prepare Free. Pay When You File.

In the Tax neighborhood (Work and office). In town since 23 Oct 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on Self Assessment Software's site

Self Assessment Software describes itself as: “Self Assessment Software - file your SA100 online to HMRC”

What it is

Calls itself “Self Assessment Software”.

  • Calls itself: Self Assessment Software
“Self Assessment Software”

Where it puts itself

Claims “The main”. Publishes a comparison page.

  • Superlative claim: The main
“SA desk without a suite fee”
“The main UK tax return”

What it costs

Yearly plan. A free tier, free forever. Has an enterprise plan. Sales on request. No monthly plan. 6 prices listed on its pages, from £39 to £999.

  • Monthly: no
  • Yearly: yes
  • Free plan: free forever
  • Price: 6 prices, from £39 to £999
  • Enterprise plan: yes
  • Contact sales: yes
“25 for £199”
“50 for £349”
“Prepare free - pay from £39 when you file.”

Who it sells to

Sells to businesses and consumers. Built for solo users and teams. Made for accountants, landlords and sole traders.

  • Sells to: businesses and consumers
  • Company size: solo / indie · teams
  • Made for: accountants · landlords · sole traders
“Self Assessment Software is dedicated UK SA100 production for accountants and individuals.”
“File your own return from £39”

How it runs

A web app. Hosted in the cloud.

  • Kind: web
  • Runs where: cloud / hosted
“Prepare and file UK Self Assessment online”

What it works with

Names Capium, Swift Catalyst Ltd and 1 more on its pages.

  • Names: Capium · Swift Catalyst Ltd · TaxCalc
“Software compared vs TaxCalc and Capium”
“About us Swift Catalyst Ltd”

What it offers as proof

Live, no waitlist. Claims “50+”. Try it without signing up.

  • Number claimed: 50+
  • Instant signup: yes
  • Trial asks for: nothing
“Get started →”
“No card to start. Draft the whole return; pay only when that tax year is filed.”

Sources

Tablif read these pages, last on 23 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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