High-Performance Web Development Pricing
Sub-second page speeds, Core Web Vitals perfection, and built-in AI answer engine discoverability. No hidden maintenance lock-ins.
Verified as of November 2026 · Serving Reading, London, UK & Worldwide
Foundation Build
High-Speed Landing Page & Core Structure
Ideal for modern businesses replacing slow template platforms with a sub-second, conversion-optimized web presence.
- Sub-second page rendering (Next.js App Router & RSC)
- Target 90–100 Core Web Vitals score
- Structured Schema.org markup (Organization & Service)
- AEO-ready machine files (
llms.txt&/ai) - Mobile-first responsive UX and custom branding
- Full code ownership and zero platform lock-in
Custom Architecture
Multi-Page & AI-Integrated Systems
For organizations requiring full multi-page digital estates, automated lead pipelines, custom calculators, or intelligent AI agents.
- Full multi-page custom web application architecture
- Headless CMS setup (Sanity, Strapi, or MDX engine)
- Interactive lead tools (ROI & Speed loss calculators)
- Integrated 24/7 AI chatbot & triage automation
- Cal.com automated consultation scheduling workflow
- Advanced agent endpoints (MCP & WebMCP tools)
How We Compare: Facts & Benchmarks
Verified differences between generic CMS templates, traditional London agencies, and Quantum AI engineering.
| Feature / Factor | WordPress / Wix Templates | Traditional London Agencies | Quantum AI |
|---|---|---|---|
| Technology Stack | PHP / Heavy Plugins / Themes | Custom or Headless React | Next.js (App Router), TypeScript, RSC |
| Load Time Target | 2.5s – 5.0s+ (Commonly fails Core Web Vitals) | 1.5s – 2.5s | Sub-1.0 second (Sub-second FCP) |
| Starting Price | £999 – £2,500 | £5,000 – £15,000+ | From £500 (Foundation) / Custom |
| AI / AEO Readiness | Standard blog SEO plugins only | Basic OpenGraph / Meta tags | Built-in (llms.txt, /ai, Schema Actions) |
| Consultation Booking | Basic form plugin | Manual contact page | Cal.com direct integration |
Frequently Asked Questions
Why start from £500 instead of a higher fee?
Our AI-accelerated Next.js development workflow allows us to eliminate bloated boilerplate and deploy lightning-fast landing structures efficiently, passing cost savings to growth-stage businesses.
Do I own the code once it is built?
Yes. 100% of the repository, assets, and code are transferred to your ownership upon completion. You are never held hostage by proprietary site builders.
How does sub-second speed impact revenue?
Every 100ms decrease in page latency directly lifts conversion rates by reducing bounce rates on mobile and desktop. You can test your site on our interactive Speed Calculator.
Where are you based?
We are headquartered in Reading, Berkshire, serving clients across Reading, the Thames Valley, Greater London, the wider UK, and worldwide.
Ready for a Sub-Second Website?
Book a direct consultation or send us your existing website URL for a free Core Web Vitals speed & conversion audit.
Schedule Consultation