RareStack is the Vertical AI SaaS built specifically for immigrant founders pursuing the Innovator Founder Visa route or building independent businesses in the UK. Stage 1 is free. Always.
Stage 1 — Free: Submit your business idea. RareStack's AI engine assesses it against the three IFV criteria: innovative, viable, and scalable. You receive a detailed feedback report — before any application fee is spent.
Stage 2 — Business plan development: Build a full business plan shaped for endorsing body submission. AI-guided. Human-reviewed.
Stage 3 — Endorsing body navigation: Identify the right endorsing body for your specific idea. Prepare your application. Navigate the process with guidance.
Stage 4 — Application and beyond: Application preparation, document vault, mentor connections, and post-approval support.
Pricing: Stage 1: free. Stages 2 to 4: £39 per month or £390 per year.
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