Web Design & Development
Pixel-perfect, performance-first websites built from scratch. Fast-loading, accessible, and crafted to convert. Every site ships with 98+ Lighthouse scores as standard.
Start a projectWhat we do
Two disciplines, one studio — we build your site and make sure the world finds it.
Pixel-perfect, performance-first websites built from scratch. Fast-loading, accessible, and crafted to convert. Every site ships with 98+ Lighthouse scores as standard.
Start a projectTechnical SEO, content strategy, and link building engineered to land you on page one. We target South Wales local search and UK-wide organic traffic.
Grow your trafficDeep-dive audits on Core Web Vitals, crawlability, and conversion paths — with a clear, prioritised fix-it roadmap you can act on immediately.
Audit my siteNeed something changed after launch? Just come back to us. We quote per job — no retainers, no monthly fees. Pay only for what you need, when you need it.
Get a quoteWhat we build
Every site we build is fast, beautiful, and built to rank.

High-energy dark gym site. Membership-first conversion flow.

Dark luxury editorial design. Reservation-focused conversion flow.

Light luxury estate agency. Premium listings, valuation-focused.

Editorial cream and black luxury barber. Serif typography, heritage feel.
Your business
Share your goals and timeline — we'll reply with a clear plan and quote.
Why QuantWeb
Most agencies do design or SEO. We do both — built to work together from day one.
Where we work
We're a South Wales web studio working with businesses across Cardiff, Swansea, Newport, Bridgend, and beyond. All projects run remotely with clear, consistent communication.
FAQ
Everything you need to know before working with us.
Get started
Drop us your email and we'll be in touch within one business day.