The Finance Base / Tax filing software / Basetax
basetax.co.uk

Basetax
Basetax is a web-based tax and accounting service from a London company founded in 2014. It tracks estimated tax as income and expenses are entered, supports Self Assessment forms SA100–SA109, and can submit returns to HMRC. Bookkeeping includes invoices, bank connections and digital records.…
Visit basetax.co.uk ↗ What it costs
- Free plan · paid from £12.99/moprice, as published
- Oct 8, 2026read on
What Basetax costs
- Free Free
- Essential £12.99 / month
- Managed £199 / once
- Professional £29.99 / month
- Pay as you file £50 / once
Basetax has a free tracking tier, monthly plans at £12.99 and £29.99, and one-off annual filing options at £50 and £199.
As basetax.co.uk publishes them, read Oct 8, 2026. Fees, tax and exchange rates can differ when you pay; check the provider's own page first.
Its statement
- Free plan
- Yes
- Free trial
- Not stated
- Runs on
- iPhone Android Web
- Facts on record
- 20
Strengths and limits
Strengths
- Free tier includes live tax estimates, records and invoices.
- Supports SA100–SA109 and direct HMRC submission.
- Bank imports transactions through open banking.
- Professional includes accountant review and tax support.
- Managed includes chartered-accountant filing.
Limits
- Web-only access; no separate phone or desktop app is listed.
- No state filing option is published.
- Essential and Professional require monthly payments.
What Basetax does
Basetax combines tax filing and bookkeeping for individuals, expatriates, partnerships, sole traders and small businesses. It updates an estimated tax position as users record income and expenses.
Users can record transactions, raise invoices, connect a bank through open banking, and keep digital records. Basetax says it supports Self Assessment forms SA100 through SA109 and sends completed returns directly to HMRC with instant confirmation.
Fees and plans
The Free plan costs free. It includes income and expense tracking, live tax estimates, digital records and invoices.
Essential costs £12.99 a month, billed monthly and cancellable at any time. It adds quarterly HMRC updates for Making Tax Digital for Income Tax, a year-end final declaration, and deadline and submission reminders.
Professional costs £29.99 a month, also billed monthly with cancellation at any time. It includes Essential features plus an accountant review of the books, return filing and tax support.
Pay as you file costs £50 one-time for one annual Self Assessment. It includes Free features, annual HMRC submission and SA100–SA109 support. Managed costs £199 one-time per annual return and includes preparation and filing by a chartered accountant, an ICAEW-supervised review and a direct adviser line.
Where it runs
Basetax is offered on the web.
The service has no state filing option listed.
Protection and rules, as Basetax publishes them
Basetax says payments are secured by Stripe and GoCardless. It says personal data is protected with encryption in transit, access controls and secure hosting.
Basetax Limited says it is regulated by ICAEW. Its privacy notice lists ICO registration ZA081604 and says client and engagement records are generally kept for at least six years after the relevant tax year or engagement.
Strengths
Basetax covers both tax filing and day-to-day records in one web service. Bank imports, invoices and digital records support bookkeeping, while live estimates show tax as entries are added.
The plans include several filing routes: quarterly Making Tax Digital updates, annual Self Assessment submission, or preparation and filing by an accountant. Professional includes tax support and an accountant review.
Catches and checks
Basetax is web-only, with no separate phone or computer application listed. State filing is not included in the published offering.
Check which plan matches the work required. Essential and Professional are monthly subscriptions; Pay as you file and Managed charge per annual return. The accountant-prepared option is limited to the Managed plan, while tax support is listed under Professional.
The service covers Self Assessment forms SA100–SA109 and selected Making Tax Digital steps.
Who may want another service
Basetax may not fit someone who needs a native iPhone or Android app or state tax filing. A reader comparing other tax filers could review WISO Steuer, H&R Block Online, or FreeTaxUSA.
Verdict
Basetax suits people who want web-based bookkeeping tied to UK Self Assessment filing, with choices from free tracking to monthly support or one-off accountant work. Its published plans cover self-employment, investment and rental income, and the service can send returns to HMRC.
It is less suitable for users seeking state returns or a dedicated mobile app. The main cost difference is between self-service filing and plans that add HMRC updates, accountant review or direct adviser support.
Who it suits
Pick it if
- UK Self Assessment users wanting web bookkeeping and filing
- People choosing between free, monthly or one-off accountant plans
Skip it if
- You need state tax filing or a native iPhone or Android app.
Facts we read
- AudienceBasetax describes its service as serving individuals, expatriates, partnerships and small businesses. · basetax.co.uk, Oct 8, 2026
- Bank connectionBasetax says users can connect a bank to import transactions automatically through open banking. · basetax.co.uk, Oct 8, 2026
- BookkeepingThe bookkeeping tools record income and expenses, raise invoices, connect a bank and maintain digital records. · basetax.co.uk, Oct 8, 2026
- Data retentionThe privacy notice says client and engagement records are generally retained for at least six years after the relevant tax year or engagement. · basetax.co.uk, Oct 8, 2026
- Free planYes · basetax.co.uk, Sep 22, 2026
- HeadquartersLondon, United Kingdom · basetax.co.uk, Sep 28, 2026
- HMRC filingUsers can submit returns directly to HMRC and receive instant confirmation. · basetax.co.uk, Oct 8, 2026
- Investment incomeYes · basetax.co.uk, Sep 22, 2026
- Mobile accessweb_only · basetax.co.uk, Sep 22, 2026
- MTDThe Essential plan includes quarterly HMRC updates and a year-end final declaration for Making Tax Digital for Income Tax. · basetax.co.uk, Oct 8, 2026
- PaymentsThe pricing page says payments are secured by Stripe and GoCardless. · basetax.co.uk, Oct 8, 2026
- RegulationBasetax Limited says it is regulated by ICAEW, and its privacy notice lists ICO registration ZA081604. · basetax.co.uk, Oct 8, 2026
- Rental incomeYes · basetax.co.uk, Sep 22, 2026
- SecurityBasetax says it uses encryption in transit, access controls and secure hosting to protect personal data. · basetax.co.uk, Oct 8, 2026
On these lists
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Questions
Is Basetax free?
Yes. The Free plan includes income and expense tracking, live tax estimates, digital records and invoice raising.
How much does Basetax Essential cost?
Essential costs £12.99 a month, billed monthly. It can be canceled at any time and adds quarterly HMRC updates, a year-end declaration and reminders.
Does Basetax file Self Assessment returns?
Yes. Pay as you file supports SA100–SA109 and submits one annual return to HMRC. Professional and Managed also include filing services.
Can Basetax handle Making Tax Digital?
Essential includes quarterly HMRC updates and a year-end final declaration for Making Tax Digital for Income Tax.
Does Basetax have a mobile app?
The published platform is web-only. No separate iPhone, Android or desktop application is listed.
What does Basetax say about regulation?
Basetax Limited says it is regulated by ICAEW. Its privacy notice lists ICO registration ZA081604.
Is Basetax yours?
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