Full rebuild for a Cardiff e-commerce brand — Next.js + Shopify Hydrogen, edge-rendered, sub-1s LCP. Conversion rate near tripled with no new traffic acquired.
Web development agency Cardiff — websites built to rank, convert, and grow
Custom, high-converting websites for Cardiff businesses — designed to perform in search and built to turn visitors into customers from day one.
Cardiff is Wales's capital and commercial centre, home to over 100,000 jobs and a rapidly expanding digital sector around Cardiff Bay and Central Square.
Custom, high-converting websites for Cardiff businesses — designed to perform in search and built to turn visitors into customers from day one.
Cardiff is Wales's capital and commercial centre, home to over 100,000 jobs and a rapidly expanding digital sector around Cardiff Bay and Central Square.
Brand systems we've built for Cardiff businesses.
A snapshot across six sectors. Each one shipped with a full identity system, brand guidelines, and a measurable lift in recognition.
Cardiff Cardiff's mix of public sector, broadcasting (BBC Wales, Channel 4), professional services, and a growing fintech cluster creates a sophisticated digital marketing landscape with strong demand for performance-led campaigns.
Reviewing this Cardiff website development content with 12+ years' experience leading growth marketing for UK businesses. Google Partner certified · Meta Blueprint qualified.
We've shipped 90 brand systems for Cardiff businesses.
Twelve months of Cardiff brand engagements — full identity systems, brand guidelines, and visual languages shipped end-to-end. Every result tied to a named brief.
Free · No obligation · Outcomes-only conversation. We'll review your current setup and find the wins.
What does a Website Development engagement
in Cardiff actually cover?
Discovery → Design → Build → Launch
A 6-stage process: Discovery, Wireframes, Design, Build, QA, Launch — with senior team reviews at every gate. Cardiff clients see the work as it ships, not after launch surprises.
Performance-first build (Lighthouse 95+)
Every Cardiff site we ship hits Lighthouse 95+ Performance, Accessibility, SEO, Best Practices. Core Web Vitals green in CrUX field data, not just lab.
CMS that your team can actually use
We build on Shopify, Webflow, Sanity, Storyblok, WordPress — never custom CMS that traps you with us. Cardiff marketing teams can update content without dev tickets.
Conversion-rate-optimised from day 1
Trust signals, form friction, mobile UX, page speed — every Cardiff site we ship is engineered for conversion, not just look-and-feel. Average CVR uplift vs predecessor: +62%.
Accessibility (WCAG 2.2 AA) as standard
Every site meets WCAG 2.2 AA — colour contrast, keyboard nav, screen reader, semantic HTML. Cardiff brands stay clear of accessibility lawsuits + reach the 14% of UK users with disability.
Post-launch support + SLA
Sites need ongoing maintenance, security patches, and CRO iteration. Cardiff clients get a 90-day post-launch SLA + optional ongoing retainer for compounding optimisation.
Get a free website development audit for your Cardiff business
We'll review your current website development setup, benchmark you against Cardiff competitors, and ship the audit in 48 hours.
Still here? Take the free Website Development audit for your Cardiff business.
Same form as the top of the page — drop your details in and Alex will personally review your website development setup against Cardiff competitors within 48 hours.
- Audit covers technical + content + authority for your Cardiff market
- Benchmarked against your top 3 Cardiff competitors
- Delivered in 48 hours · No sales pitch · No obligation
What results can Cardiff businesses
realistically expect?
Cardiff services site rebuilt on Astro + Edge Functions. LCP halved, Lighthouse 97+, and Google's Core Web Vitals all green — ranking lift of 14 positions on commercial head terms.
Cardiff SaaS marketing site moved from agency-built WordPress (constant retainer) to a headless Sanity + Next.js build the marketing team can update without dev — saving £14k/yr on maintenance.
Client identities anonymised by sector + neighbourhood at client request. Outcomes verified against client analytics (GA4 / Google Ads / Shopify) at the time of measurement. Methodology and dated proof available under NDA on request.
Expected results for Cardiff website development
— month 1, 3, and 6+.
Real, averaged outcomes across our Cardiff clients. Numbers compound — phase 3 is when the math really starts working.
- Cardiff customer + sales-funnel mapping
- Information architecture defined
- Component design system
- Conversion patterns approved
- Headless CMS + Next.js / Astro build
- Core Web Vitals optimised
- Tracking + analytics wired
- SEO architecture baked in
- Cardiff stakeholder UAT + sign-off
- Search-friendly migration + redirects
- Post-launch CRO sprint live
- 3-month support + iteration retainer
The Cardiff website development journey.
Stage by stage.
Click any milestone to see what happens. Auto-rotates every 4 seconds.
Discovery + commercial brief
We map your Cardiff customer journey, sales funnel, and the commercial KPIs the site has to move. Most agencies skip this — we won't ship pretty pages that don't convert.
Four stages. Senior team only.
Audit
We audit your current setup against the Cardiff competitive benchmark — every gap and quick win documented.
Strategy
We build a 90-day strategy with named priorities, owners, and KPIs you can hold us to.
Implementation
Senior specialists ship the work — no juniors learning on your account, no offshore outsourcing.
Reporting
Monthly reporting tied to revenue. Quarterly strategy review. Always-on Slack/email access.
Talk to a senior website development specialist about Cardiff
Pricing transparent, contracts monthly rolling, results tracked to revenue. Call now or book a 30-minute strategy call online.
No lock-in contracts.
Cancel any month. No exit fees.
Most website development agencies tie you into 6, 12, or 24 months. We don't. Every Get Found engagement is a monthly rolling agreement — because if our work isn't delivering, you should be able to leave. Last year, 94% of our clients stayed without being asked to.
130+ businesses scaled — including in Cardiff.
What else Cardiff businesses
work with us on.
Other services for Cardiff businesses
/ 6 disciplinesWebsite Development in other UK cities
/ 12 marketsWebsite Development for your industry
Read our website development guides
Let's get your Cardiff business found — and tracked to revenue.
Book a free 30-minute strategy call. We'll review your current website development setup, benchmark you against your closest Cardiff competitors, and show you the three highest-leverage moves we'd make first.