Built for UK accounting practices

Your clients'
books.
Done.

Upload a bank statement. Numvia categorises every transaction, runs CIS analysis, tracks HMRC deadlines, and drafts client reminder emails — in under 60 seconds.

No credit card required
UK-specific from day one
Free for pilot firms
Hartley & Associates
Dashboard
Categorise
Clients
Deadlines
Transactions
2,847
↑ 143 this week
AI accuracy
98.4%
↑ 0.3% this month
Active clients
34
Urgent deadlines
3
Recent — AI categorised
HMRC Corporation Tax−£8,450T9Done
A. Patel — CIS Sub−£2,400T2CIS
BP Fuel Station−£89.40T1Review
Client — Okafor Ltd+£3,200T1Done
60s
Average time from upload
to export-ready bookkeeping
98%
AI categorisation accuracy
across all transaction types
5+
Export formats — Xero, Sage,
QuickBooks, VT+, CIS300
£0
Cost to pilot firms
during early access
The problem

Bookkeeping is stealing your most
valuable hours.

Small accounting practices spend nearly half their time on manual transaction categorisation — the lowest-margin work in the firm. Numvia gives that time back, so you can focus on advisory work that actually grows your practice.

01
Manual categorisation takes hours every clientApplying VAT codes, nominal codes, and income/expenditure splits to hundreds of transactions — by hand, every month, for every client.
02
CIS is a compliance minefieldMatching UTR numbers, verifying subcontractors with HMRC, calculating 20% deductions, generating CIS300 — all done manually, all deadline-critical.
03
Chasing clients is a full-time jobBank statements, payslips, receipts — tracking what's outstanding and writing chase emails for 30+ clients burns hours that should be billable.
04
Deadlines live in your headVAT returns, CIS filings, corporation tax, payroll RTI, annual accounts — one missed deadline and it's your reputation on the line.
What Numvia does

Everything your practice needs.
Nothing it doesn't.

Numvia is built entirely around how UK accounting practices actually work — HMRC tax codes, CIS 6th-to-5th periods, Companies House data, and the exact software your clients already use.
01 — Core
AI transaction categorisation

Upload any bank statement — CSV, PDF, or photo. Numvia applies VAT codes T0–T9, nominal codes, and income/expenditure splits in seconds. Every line gets a confidence score. Anything uncertain is flagged for your review.

98.4% accuracy across all transaction types
02 — Compliance
CIS analysis & CIS300

Select the tax month from a simple grid — no date pickers. Numvia groups all subcontractor payments within the 6th–5th window, calculates 20% deductions, flags unverified UTRs, and generates a CIS300 summary ready to file.

Full HMRC compliance — verified UTR matching
03 — Deadlines
Deadline tracker

Every client's VAT return, corporation tax, CIS return, payroll RTI, self assessment, and annual accounts — tracked alongside HMRC's own key dates. Urgency alerts mean nothing slips through.

All return types — VAT, CIS, Corp tax, RTI, SA
04 — Communication
AI client reminders

Numvia drafts personalised chase emails for each client — pulling in their specific deadline, what's outstanding, and the exact figures involved. Review and send in one click, or edit before sending. No more copy-pasting.

Personalised per client — editable before sending
05 — Data
Companies House connected

Add a client by name and Numvia pulls their company number, incorporation date, SIC code, filing history, confirmation statement deadline, and registered address from Companies House instantly. No manual data entry.

Live data — auto-updated from Companies House
06 — Export
Export to any platform

One-click export to Xero CSV, Sage import, QuickBooks IIF, VT Transaction+, or raw CSV. Your clients keep their existing software — Numvia sits on top. No migrations, no disruption.

Xero · Sage · QuickBooks · VT Transaction+ · CIS300
How it works

From bank statement to
export-ready in four steps

1
Select your client

Choose from your client list. Companies House data loads automatically — company type, CIS status, year end, upcoming deadlines.

2
Upload the statement

Drop in a CSV, PDF, or photograph. Choose "All transactions" for full categorisation, or select a specific CIS tax month.

3
Numvia categorises

AI applies VAT codes, nominal codes, CIS groupings. Anything below 95% confidence is flagged for your professional judgement.

4
Review and export

Check flagged items, make any edits, then export directly to Xero, Sage, QuickBooks, or VT+. Done. Next client.

VAT codes T0–T9
CIS 6th–5th analysis
HMRC key dates
Companies House live data
Xero export
Sage import
QuickBooks IIF
VT Transaction+
CIS300 summary
Subcontractor UTR matching
Payroll RTI tracking
AI reminder emails
Why Numvia works

Designed around
UK accountancy

The detail that matters
UK-first,
always.

Numvia was built from scratch for UK practices. HMRC VAT codes, CIS regulations, Making Tax Digital, corporation tax dates, Companies House filing deadlines — all baked in. Not bolted on.

  • VAT codes T0 through T9 applied automatically
  • CIS 6th–5th period analysis built in
  • All HMRC key dates pre-loaded
  • Companies House API connected
The accuracy
98.4%
AI accuracy

Every transaction is categorised with a confidence score. Below 95%? Flagged for your review. You stay in control — Numvia handles the volume.

The time saving
Hours back
every week.

Practices in our pilot programme are recovering 6–10 hours per week on bookkeeping alone. That's time you can redirect to higher-value advisory work — or just leave the office on time.

The setup
Live in
minutes.

No installation. No IT department. No migration. Open Numvia in your browser, add your clients, and start categorising. Your existing Xero, Sage, or QuickBooks stays exactly where it is.

  • Browser-based — nothing to install
  • Import existing client list
  • Export to your current software
CIS compliance

CIS returns that
file themselves.

Select the tax month — Numvia does the rest. Every subcontractor payment is identified, grouped, verified against Companies House, and summarised into a CIS300 ready to file with HMRC.

  • UTR verification against HMRC records
  • 20% standard & 30% unverified deductions calculated
  • CIS300 monthly return summary generated
  • Unverified subcontractors flagged before filing
CIS analysis — Singh & Sons Ltd 6 Apr – 5 May 2026
SubcontractorUTRStatusGrossDeduction
A. Patel Plumbing1234567890✓ Verified£3,000−£600
J. Mills Electrical9876543210✓ Verified£1,500−£300
R. Okonkwo Roofing5432109876⚠ Unverified£2,200−£660
D. Novak Building6789012345✓ Verified£4,500−£900
Total deductions this period£2,460.00
Pricing

Straightforward pricing.
Cancel any time.

Every plan includes a 30-day free trial. No credit card required to start.

For small practices
Solo
£79
per firm, per month
  • Up to 10 clients
  • AI transaction categorisation
  • CIS analysis & CIS300
  • Deadline tracker
  • Xero & Sage export
  • AI reminder emails
  • Companies House live data
  • All export formats
Start free trial
For established firms
Firm
£299
per firm, per month
  • Unlimited clients
  • AI transaction categorisation
  • CIS analysis & CIS300
  • Deadline tracker
  • All export formats
  • AI reminder emails
  • Companies House live data
  • Dedicated onboarding
Start free trial
Early feedback

What pilot firms are saying

"

It categorised 60 transactions from our biggest CIS client in about 40 seconds. The subcontractor UTR matching alone saves us an hour every month.

Pilot firm3-partner practice · Manchester
"

The deadline tracker means I'm not keeping a mental checklist anymore. Monday morning, open Numvia, know exactly what needs attention that week.

Pilot firmSole practitioner · Bristol
"

The AI reminder emails are better than what I'd write myself. It pulled in the exact amount outstanding and the deadline date — the client responded in an hour.

Pilot firm2-partner practice · Leeds
Early access programme

Try Numvia free.
No strings attached.

We're onboarding a small number of UK accounting practices completely free in exchange for honest feedback. No contracts, no credit card — just tell us what works and what doesn't.

Pilot spots still available — first 10 firms free

✓ Request received — we'll be in touch within 48 hours.

No spam. No sales calls. Just a link to Numvia and a quick onboarding call.