W9Finder vs BillMyWeek
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
W9Finder compared with BillMyWeek
| Detail | 
W9Finder | 
BillMyWeek |
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| What it does | W-9 collection software for accounting firms
| Weekly day-rate invoices for UK trades and contractors
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | US
| GB
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| Pricing model | Paid
| Free trial
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| Pricing | 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.
| Free trial for 14 days with no card needed. Then £1.99 per month or £19.99 per year. Cancel any time.
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| Key features | - 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
| - Automatic weekly invoice filling based on previous complete week
- CIS deduction handling (20%, 30% or 0%)
- VAT invoicing with optional reverse charge
- Copy last week to repeat previous invoice details
- Email invoices directly to clients with PDF attached
- Automatic payment reminders up to twice when overdue
- Multiple export formats: PDF, Word, Excel, CSV, PNG
- Tax year summary with expenses for Self Assessment
- Mobile browser app with home screen installation
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| What makes it different | - 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
| - One-minute invoice generation after setup with Copy last week
- Automatic day rate calculation with precise penny rounding
- Integrated CIS and VAT compliance for UK construction work
- No app download required; runs entirely in mobile browser
- Built specifically for UK Construction Industry Scheme rules
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ▲ +1 (up) since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 4 |
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| Citation Flow (Majestic) | 0 | 17 |
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| Referring domains (Majestic) | 0 | 5 |
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6 details filled in for both companies.
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