BidWriter vs Proposify
A side-by-side look at BidWriter and Proposify for UK suppliers — features, pricing, UK public sector fit, and who each tool best suits. Honest about where Proposify is stronger.
TL;DR
BidWriter is an AI bid-writing tool built specifically for UK public sector suppliers, with integrated live tender discovery, AI drafting and a free starter plan. Proposify is proposal software for smbs and agencies producing sales proposals. Proposify is a Canadian proposal software widely used by agencies and SMBs to design, send and track branded sales proposals. Focuses on design-led commercial proposals, not formal public-sector bid responses.
BidWriter vs Proposify: side-by-side
| Feature | BidWriter | Proposify |
|---|---|---|
| Category | AI bid writing for UK public sector | Proposal software |
| Origin | UK · launched 2024 | Canada · founded 2013 |
| Primary audience | UK SMEs and growth-stage bid teams | SMBs and agencies producing sales proposals |
| Pricing model | Free plan + £49–£799/mo per-seat SaaS | Per-seat SaaS, plans typically from around £30/seat/month (USD-billed) |
| UK public sector focus | Yes — specialist (CCS, FTS, NHS, councils) | No |
| Free plan | Yes — 3 AI credits/month, no card required | No |
| Live UK tender feed | Yes — integrated via WinAContract | No |
| Bid library | Yes — compounds with every bid | Yes |
| Tender-pack parser | Yes — auto-extracts question structure from PDFs | No |
| AI bid drafting | Yes — native, generates structured first drafts | Limited / assist |
Where BidWriter is differently positioned to Proposify
- Built for formal UK public sector bid responses (CCS, FTS, NHS, council tenders), not commercial sales proposals
- AI-native drafting of long-form bid answers vs design-led template population
- Live UK tender feed inside the tool
- Document parsing of tender packs to auto-extract question structure
Where Proposify is stronger
BidWriter isn't the right tool for every team. Proposify is genuinely stronger in these areas:
- Beautiful, brand-rich proposal design and e-signature flow
- Mature commercial-proposal tracking (open/view analytics, accept-online)
Best for BidWriter
UK SMEs writing formal public-sector bid responses where quality content matters more than visual polish.
Best for Proposify
Agencies, consultancies and SMBs sending branded commercial sales proposals to private-sector clients.
Try BidWriter free — no card required
Free plan: 3 AI credits per month, the full bid library, real UK tender feed. See the workflow before committing.
Start free →FAQs
How does BidWriter compare to Proposify?
BidWriter is an AI bid-writing tool built specifically for UK public sector suppliers, with integrated live tender discovery, a compounding bid library, AI drafting and a free starter plan. Proposify is positioned as proposal software for smbs and agencies producing sales proposals. The two tools solve overlapping but different jobs — see the comparison table on this page for the side-by-side detail.
Is BidWriter cheaper than Proposify?
In most cases yes. BidWriter starts at £0/month (free plan with 3 AI credits) and paid plans run from £49/month per seat, all month-to-month. Proposify's pricing is per-seat saas, plans typically from around £30/seat/month (usd-billed). Unit economics tend to favour BidWriter for any team running more than a couple of bids per month.
Is Proposify better than BidWriter for any use case?
Yes — Proposify is genuinely stronger when beautiful, brand-rich proposal design and e-signature flow. Agencies, consultancies and SMBs sending branded commercial sales proposals to private-sector clients.
What does Proposify actually do?
Proposify is a Canadian proposal software widely used by agencies and SMBs to design, send and track branded sales proposals. Focuses on design-led commercial proposals, not formal public-sector bid responses.
Who should pick BidWriter over Proposify?
UK SMEs writing formal public-sector bid responses where quality content matters more than visual polish.
Other comparisons
See all BidWriter comparisons, our buyer guides, or BidWriter pricing.