Simple Making Tax Digital software for sole traders and landlords
W-9 collection software for accounting firms
Stage
Startup
Not given
Founded
2026
Not given
Based in
GB
US
Pricing model
Freemium
Paid
Pricing
Free for the entire 2026-27 tax year (6 April 2026 to 5 April 2027). From 2027-28 onwards: £19.99 per year. No VAT currently added, no per-submission fees, no tiers.
W9Finder Founding Cohort: $1,188/year (first 25 firms, equivalent to $99/month billed annually); $1,788/year for standard annual price after founding cohort fills. Monthly plan: $149/month. Founding Cohort renews at $1,788/year unless canceled.
Key features
Quarterly updates for self-employment income
Quarterly updates for UK property income including residential finance costs
CSV and Excel import with column mapping
AI categorisation of transactions into HMRC categories
AI pre-submission review to catch errors before HMRC
Standard or calendar quarters, chosen per tax year
Annual adjustments and final declaration
HMRC Assist feedback shown with tax estimate
Audit-ready records with timestamps and references
Consolidated expenses support for turnover under £90,000
Flag missing W-9s and incomplete vendor details
Send secure request links for W-9 completion or upload
Review and approve vendor submissions
Export reviewed vendor data for filing
Encrypted TIN storage and masking
Staff access with owner-only controls
Works with QuickBooks vendor exports
Free Vendor Readiness Scanner tool
What makes it different
Simplest MTD software, built specifically for sole traders and landlords
No banking, VAT, invoicing or payroll - just the tax bit
AI automatically sorts expenses into HMRC categories
Centralizes W-9 tracking and requests in one workflow instead of email threads
Documents stored privately with secure, expiring request links
Built-in security for sensitive vendor data like SSNs and EINs
Stops W-9 chasing before the January filing deadline
Works with firms' existing filing processes, not 1099 e-filing