Pricing
MTD compliance shouldn't cost a fortune. Pick a plan that fits your business and get started in minutes. No hidden fees. No setup costs. Cancel anytime.
Starter
£19/mo
For sole traders on Self Assessment
CIS Pro
£29/mo
For CIS subcontractors
Business+
£49/mo
For limited companies / VAT registered
All prices shown ex-VAT. Billed monthly. Cancel anytime. No setup fees or hidden charges.
Why it's worth it
Less than one hour of your day rate
£19/month is less than one hour at a tradesperson's day rate — and it saves you 4+ hours of admin every month.
HMRC penalties start at £100
Late filing penalties start at £100 minimum, rising to £1,600+ for persistent failures. 123Tax costs just £228 a year.
A traditional accountant costs £500–£1,500/year
For the same service, a high-street accountant charges three to six times more. 123Tax delivers it from £228.
Every plan includes
No app to download
Works entirely through WhatsApp.
HMRC-recognised software
Fully compliant with MTD requirements.
Deadline reminders
We nudge you before every submission is due.
Real human support
Chat with our team on WhatsApp anytime.
Expense summaries on demand
Message SUMMARY to see your totals instantly.
Cancel anytime
No contracts. No exit fees. No questions asked.
"Got a £1,800 CIS refund I didn't even know I was owed. These lot know the construction game inside out. Best money I've ever spent."
Mike
Plumber, Birmingham
Join hundreds of tradespeople who've ditched the spreadsheets and the stress. Start your free trial today — cancel anytime, no questions asked.
No credit card required. No app to download.