# ReqFit > ReqFit is AI-powered proposal review. Upload an RFP and your proposal, and ReqFit checks your response against every requirement in the brief, scores the fit, flags the gaps, and tells you exactly what to fix before you submit. Built on Google Cloud Vertex AI by CASM Labs Limited. ## Product - [ReqFit | Know your proposal fits before you submit](https://reqfit.com/index.md): AI proposal review that checks your bid against the RFP requirement by requirement, flagging the gaps that lose contracts. Your first report is free. - [About ReqFit: AI proposal review for bid teams](https://reqfit.com/about.md): ReqFit is an AI-powered proposal review tool by CASM Labs. Meet the team, see why we built it, and how it scores proposals against requirements. - [Contact ReqFit: talk to the proposal review team](https://reqfit.com/contact.md): Get in touch with the ReqFit team. Sales enquiries, support questions, or enterprise pricing requests. We typically respond within one business day. - [ReqFit FAQ: proposal review, pricing, privacy](https://reqfit.com/faq.md): Answers to common questions about ReqFit. How reviews work, what we analyse, pricing and billing, document privacy, and how to get started. - [How it works](https://reqfit.com/how-it-works.md): Inside the AI pipeline that reads your RFP and proposal together and tells you what is missing. Built on Google Cloud Vertex AI for bid and proposal teams. - [ReqFit pricing: one price per proposal review](https://reqfit.com/pricing.md): Simple, review-based pricing for AI-powered proposal reviews. Single reviews from £49. First review free, no credit card required. ## Trust - [How we use AI](https://reqfit.com/how-we-use-ai.md): How ReqFit uses AI to review proposals, what happens to your data, and how we meet AI regulation requirements. Built for procurement confidence. - [Security and data handling](https://reqfit.com/security.md): How ReqFit handles your documents: stateless processing on Google Cloud Vertex AI, no model training, UK ICO registered, full DPA published. ## Blog - [Bid writing and proposal strategy | ReqFit blog](https://reqfit.com/blog.md): Practical guides on bid writing, RFP responses, and proposal strategy. Win more contracts and avoid the mistakes that lose them. From the ReqFit team. - [Why AI-written bids are losing you work](https://reqfit.com/blog/ai-written-bids.md): AI bid writing tools produce polished proposals that score badly. The knowledge evaluators look for cannot be generated. Learn where AI actually helps. - [Bid or no bid: how to choose the right RFPs](https://reqfit.com/blog/bid-no-bid-decision-framework.md): Most teams say yes to too many RFPs and spread themselves thin. A scored bid/no-bid framework helps you focus resources on the opportunities you can win. - [The cost of one missed requirement in a proposal](https://reqfit.com/blog/cost-of-losing-an-rfp.md): Most teams know missed requirements lose them contracts. Few do the maths. What one overlooked criterion actually costs in time and money. - [ReqFit is now Cyber Essentials certified](https://reqfit.com/blog/cyber-essentials-certified.md): ReqFit is now Cyber Essentials certified, the UK government-backed standard. Here is what it means for the security of your confidential bid documents. - [Why a general AI tool cannot review your proposal](https://reqfit.com/blog/general-purpose-ai-not-proposal-review.md): Pasting your proposal into an AI assistant feels like a review. Here is why it is not, and what a proper AI-powered proposal review actually looks like. - [What happens to your proposal after you submit it](https://reqfit.com/blog/how-proposals-are-evaluated.md): Most proposal writers have never been an evaluator. Here is what happens to your submission, who reads it, how it is scored, and what decides the outcome. - [How to write a proposal executive summary](https://reqfit.com/blog/how-to-write-proposal-executive-summary.md): Most people are never taught what an executive summary is for. The five-part formula that makes evaluators stop and score it highly. - [Why bid managers never submit on deadline day](https://reqfit.com/blog/never-submit-on-deadline-day.md): Experienced bid managers treat deadline day as an admin task, not a crisis. Here is the pre-submission checklist they use to make sure of it. - [RFP, proposal, tender: what's the difference](https://reqfit.com/blog/rfp-vs-proposal-vs-tender.md): RFP, tender, proposal, pitch - buyers use the terms loosely, but the format matters. Here is what each one means and how to respond correctly. - [Why proposals fail: seven gaps that lose contracts](https://reqfit.com/blog/why-proposals-fail.md): Most proposals fail because the document does not answer what the buyer asked. Learn the seven common gaps that cost contracts and how to catch them. ## Legal - [Acceptable use policy](https://reqfit.com/acceptable-use-policy.md): Acceptable use policy for ReqFit, operated by CASM Labs Ltd. Covers permitted use, prohibited activities, data responsibilities, and AI output limitations. - [Data Processing Agreement](https://reqfit.com/dpa.md): The Data Processing Agreement governing CASM Labs Limited's processing of customer personal data under the ReqFit service. UK GDPR and Data Protection Act 2018 compliant. - [UK GDPR statement](https://reqfit.com/gdpr.md): ReqFit's UK GDPR data protection statement: who we are, how we handle your data, your rights under UK GDPR, and how to contact us. - [Privacy Policy](https://reqfit.com/privacy.md): The Privacy Policy governing CASM Labs Ltd's collection, use, and protection of personal data through the ReqFit service. UK GDPR compliant. - [Privacy Policy moved](https://reqfit.com/privacy-policy.md): The ReqFit Privacy Policy has moved. You will be redirected automatically to https://reqfit.com/privacy. Please update any bookmarks to the new location. - [Refund policy](https://reqfit.com/refund-policy.md): ReqFit refund policy for proposal reviews. All payments, billing, and refunds are processed by Paddle as our Merchant of Record. See full terms. - [Terms and Conditions](https://reqfit.com/terms.md): The Terms and Conditions governing your use of ReqFit, the AI-powered proposal review service from CASM Labs Ltd. Business-to-business only, English law.