Custom web applications.
End-to-end. Built in-house.
When a website isn't enough. Custom products with marketing site + backend + billing + automation, all built by 09Clicks. From €2,490 starter, scaling to multi-agent / RAG / ERP-integration systems at €4,990+.
What „end-to-end“ means here
- Marketing site (Next.js, Lighthouse 100/100)
- Backend API (Node.js / Laravel / Python — your choice)
- Database design (PostgreSQL on Neon EU, Supabase, or your existing DB)
- Authentication (NextAuth, magic-link, OAuth — whatever fits)
- Billing (Stripe Subscriptions, Mollie, custom invoicing)
- Automation (n8n workflows for the operational glue)
- AI integration where it adds value (chatbots, classifiers, generators)
- Hosting + observability (Vercel + Hetzner + custom status page)
renzom.com — production-live since 2025
Game-server hosting platform: 19 supported games, custom Pterodactyl panel with branded theme + Modrinth integration, Stripe subscription lifecycle (provisioning, refunds, dunning), n8n workflow automation, 16 dedicated SEO landing pages in DE + EN, ~84k lines of TypeScript across the stack.
How a custom project usually runs
- Discovery (1-2 weeks): we map the actual problem, not just the wish list
- Architecture sketch: stack proposal, fixed-price quote, clear scope boundaries
- Phased build: deployable milestones every 1-2 weeks, no big-bang launches
- Go-live + handover: docs, runbooks, your team trained
- Optional retainer: ongoing support if you want it, no lock-in if you don't
Pricing reality check
Custom apps start at €2,490 but the real range depends entirely on scope. Multi-agent AI systems, ERP integrations, multi-region hosting — those scale to €5-25k territory. We'll always quote fixed-price after Discovery, not hourly.
Got something custom in mind?
30 minutes, free. Tell us what you're building — we'll tell you straight if 09Clicks is the right partner.
Book free consultation