SpiralHQ
Tax & MTD

Tax that's handled all year — not panicked in January

Spiral keeps a live estimate of what you owe, sets money aside as you earn, and files your VAT and Self Assessment straight to HMRC. Fully recognised for Making Tax Digital.

£0
surprise tax bills
3 taps
to file MTD
HMRC
recognised
Estimated tax owed On track
£4,218.60
Self Assessment · due 31 Jan 2025
£1,684 already set aside this month
Always know the number

A running tax estimate you can trust

Every invoice and expense updates a live figure for what you'll owe — so the bill is never a shock and you can set the right amount aside as you go.

Live VAT & income-tax estimate
Auto set-aside as you get paid
No more year-end guesswork
Estimated tax owed On track
£4,218.60
Self Assessment · due 31 Jan 2025
£1,684 already set aside this month
The full VAT return

Your 9-box return, filled in for you

Spiral builds the complete MTD VAT return from your data — all nine boxes in HMRC order, Box 5 called out — ready to check and submit in a few taps.

All 9 boxes, HMRC order
Auto-flips pay vs reclaim
Submitted digitally, recognised by HMRC
VAT to pay HMRC
£4,218.60
Period Jul–Sep 2026
1 VAT due on sales and other outputs £6,480.00
2 VAT due on acquisitions from EU member states £0.00
3 Total VAT due (1 + 2) £6,480.00
4 VAT reclaimed on purchases and other inputs £2,261.40
5 Net VAT to pay to HMRC or reclaim (3 − 4) £4,218.60
6 Total value of sales excluding VAT £32,400
7 Total value of purchases excluding VAT £11,307
8 Total value of EU supplies of goods £0
9 Total value of EU acquisitions of goods £0
Never miss a date

Every deadline, tracked for you

A personalised calendar of your VAT and Self Assessment dates, with reminders that land in good time — so filing is calm and on schedule, every quarter.

Personalised deadline calendar
Timely reminders before each date
Self Assessment & VAT in one place
Your 2026/27 deadlines
7
Aug
VAT return Q2 Filed
5
Oct
Register for Self Assessment
7
Nov
VAT return Q3 In 24 days
31
Jan
Self Assessment & payment
Three steps

Tax, on autopilot

1
Track

Spiral estimates your tax live as money moves through your business.

2
Set aside

The right amount is ring-fenced automatically, so it’s always covered.

3
File

Submit VAT and Self Assessment straight to HMRC — recognised and compliant.

Get paid faster and stay right with HMRC

Join 24,000+ UK businesses running their money on Spiral HQ. Free to start, no card required.

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