Bespoke, lightning-fast websites for Cardiff businesses, built for SEO and AI: technically flawless, PageSpeed-friendly and ready to rank. From £5,000 plus VAT, hosting from £100 a month.
Rogue Logic is the trading name of Bryley Ltd, a senior-led team of four practitioners with forty years of agency experience between them. It works with businesses in Cardiff and across Wales, across SEO, answer-engine optimisation, paid media and digital PR, with public pricing from £1,500 a month. Bristol-based and just up the M4, working with Welsh clients over video and in person when it helps.
More than Web design in Cardiff: the full stack.
You become the name your buyers find first, on Google and in the AI answers they trust. We fix the layer most SEO stalls on, a site that cannot be crawled or understood, before a word is written, then compound it month on month.
→You become the source assistants quote when your buyers ask about your category. We engineer the citations, the passages AI repeats back, because ranking is no longer the whole job.
→You put budget only where a customer is genuinely worth it. We manage spend against contribution margin, not the platform's flattering idea of success, with no percentage markup on your media.
→You earn the authority that makes rankings hold and answer engines trust you, from the publications your buyers already read, never bought from a link farm.
→We come into your business, connect the tools you already use, and build custom systems that run the repetitive work for you. Not off-the-shelf AI: we are solutions architects, and we built our own operations platform, Ops Hub, from the ground up. You get your team's hours back, and the work still gets done.
→You launch a site that is already fast, already ranking and already legible to AI. Bespoke, engineered to be found, and built to earn traffic from day one, not six months later.
→How we work with Cardiff businesses, in full.
We build websites for Cardiff and Welsh businesses that are engineered to be found: fast, technically flawless and ready to rank and be cited from day one. We are Bristol-based, an hour up the M4.
- Bespoke, lightning-fast websites for Cardiff businesses, engineered to rank and be cited.
- Technically flawless and PageSpeed-friendly, built for search engines and AI assistants from the first line of code.
- From £5,000 plus VAT, hosted and managed on our own platform from £100 a month.
- You buy into a best-in-class build, the kind that usually costs tens of thousands, for less.
- If you are replatforming, we migrate without losing the rankings you already have.
Websites for Cardiff businesses
Cardiff's financial services, media and tech firms need sites that are found and fast, in English and, where it matters, Welsh. We build clean, AI-ready sites that rank and convert, and we are only an hour up the M4 when a meeting helps.
How we build
We start from how you need to be found, then design and hand-build a bespoke site that is lightning fast and technically flawless. Semantic HTML, schema and clean architecture mean search engines and AI assistants can read, rank and cite it. If you are replatforming, we migrate with a full redirect plan so you keep the rankings you have.
A website should be your fastest, most findable asset, not the thing your agency has to fix.
What a Cardiff website costs
Bespoke builds start at £5,000 plus VAT, scoped to what you need, with hosting and management on our own platform from £100 a month. You are buying into a best-in-class site, the kind that usually costs tens of thousands, for less, because we build for speed and delivery from the start without compromising either.
Built for AI and search
Most sites are built to look good and then handed to an SEO agency to fix. We build the other way round, so your Cardiff site is structured for classic search and for AI assistants like ChatGPT, Claude, Perplexity and Google's AI from day one.
See how we build websites in full, including the detail, on our web design service page.
For the wider local picture, see our Cardiff agency overview.
How we think about Web design in Cardiff.
Sectors we work with in Cardiff.
The disciplines are the same everywhere; how we apply them changes by sector. These are the Cardiff sectors we most often work in, each with its own approach to search and AI.
Financial services
Win the trust test before the enquiry.
How we help →Creative and media
Get picked when the brief goes out to search.
How we help →Professional services
Sell expertise a buyer can verify before they call.
How we help →SaaS
Own the comparison before the trial.
How we help →When Cardiff buyers ask an assistant.
Your buyers increasingly ask ChatGPT, Perplexity and Google’s AI who to use. We get you cited in each, through answer-engine optimisation. Pick a surface, or see how AEO works.
How we get Cardiff businesses cited in AI, in full →Asked about Web design in Cardiff.
How much does a website cost in Cardiff?
Bespoke builds start at £5,000 plus VAT, with hosting and management from £100 a month. We scope and price it properly on a call once we understand what you need.
Do we own the website?
You buy into a best-in-class build we host and manage on our own platform, rather than code to run yourself. The site stays with us, kept fast and technically healthy; your content and data are always yours.
Will our Cardiff website be fast?
Yes. We hand-build lightweight sites that pass PageSpeed and Core Web Vitals, rather than bolting plugins onto a heavy theme. Speed is engineered in, not patched on.
Is it built for AI and SEO?
Yes, from the first line of code: clean semantic HTML, schema and crawlable content, so search engines and AI assistants can read, rank and cite it.
Do you build for businesses outside Cardiff?
Yes. We build for businesses across the UK from Bristol; Cardiff is one of the markets we focus on.
Can you rebuild our site without losing rankings?
Yes. We migrate with a full URL map and redirect plan, so you keep the traffic and rankings you already have rather than starting from zero.