London web design
A marketing agency website that shows your work, earns new business and proves you practice what you preach.
We build London marketing agency and PR agency websites that lead with campaign work, communicate your specialisms and attract the calibre of client your team deserves.
Redesign my agency site47+
London clients
4.9★
Average rating
£1,000
Starting from
2–4 wks
Typical turnaround
What's included
Why your marketing agency website is your most scrutinised client pitch
A brand director evaluating marketing agencies will judge your website as evidence of what you would do for them. A generic agency website with stock photo hero images and buzzword-heavy service descriptions actively undermines your pitch before you make it. Your website must demonstrate real campaign thinking, genuine strategic results and a point of view — not a list of services any agency could claim. We build marketing agency websites that position you through work evidence and perspective, not through capability lists.
The case study structure that wins new business for London agencies
The most effective new business tool on a marketing agency website is a well-constructed case study that shows the brief, the strategic thinking, the creative execution and the measurable result. London CMOs making agency selection decisions want to see work similar to their own in scale and category. We build agency websites with case study architecture that filters by sector, campaign type and result metric — letting prospects quickly find the evidence most relevant to their brief.
Your site speed is a credibility test
An agency that sells performance marketing or SEO cannot afford a slow website — prospects and competitors will check. We build agency sites on bespoke Next.js 15 deployed to Cloudflare Pages, scoring 100 on PageSpeed with Core Web Vitals optimised, so your own site passes the audit you run for clients. This matters beyond vanity. When a CMO's technical team reviews your shortlist, a flawless Lighthouse score quietly validates that you practise what you charge for. It also keeps heavy portfolio galleries and video case studies loading instantly rather than stuttering. We deliver portfolio-rich sites without the performance penalty that WordPress page builders impose on image-heavy agency work.
Filterable portfolio architecture without WordPress bloat
Marketing agencies live or die on how quickly a prospect finds work relevant to their brief. We build filterable campaign portfolios — by sector, channel, campaign type and result metric — on a bespoke Next.js foundation rather than a plugin-stacked WordPress theme. That means instant filtering, clean URLs for each case study, and ProfessionalService and Agency schema baked in for search visibility. There is no template to wrestle when you want a non-standard case study layout, and no plugin conflict when you add a new filter. Because every case study page is its own indexable URL, your strongest work also becomes a ranking asset for sector-specific searches like 'B2B SaaS marketing agency London', compounding new-business value over time.
“Goggle Studio built our new site in under 3 weeks. Enquiry volume went up noticeably from the first month — the design is exactly right for our clients. Wouldn't go anywhere else.”
James T.
Trade Services, East London
From our blog
Web Design for Marketing Agencies in London: A Site That Wins Business While You Sleep
A marketing agency's website is the hardest pitch in the industry — because your prospective clients know exactly what good looks like. If your own site does not make them want to work with you immediately, no amount of case study PDF will recover the impression.
Common questions
Frequently asked
Should a marketing agency's website show client names and results?+
Yes where permission is granted. Named client work with measurable results is significantly more compelling than anonymised case studies or described work. We help agencies structure their case study library to maximise what can be shown, with options for 'confidential' client references that show the work without revealing the brand.
How do marketing agencies win new business enquiries from Google?+
Sector and service specialism pages convert better than generic agency positioning. 'SEO agency for B2B SaaS London', 'PR agency for consumer brands London', 'paid social agency for e-commerce London' — these are lower-competition searches that attract decision-makers with a specific need. We build these pages around your strongest credentials and case studies.
Should an agency website have a blog?+
Only if you will maintain it consistently. A blog with irregular posts and outdated content is worse than no blog — it signals an agency that cannot follow through on content strategy for itself. A small number of genuinely insightful long-form pieces updated regularly is better than a large archive of thin posts. We advise on editorial strategy as part of the website build.
How long does it take to redesign a marketing agency website?+
Four to six weeks from briefing to launch, assuming your case study content and brand assets are organised. The critical path is usually case study documentation — getting accurate briefs, results and creative assets from past clients takes time. We provide a content template at briefing stage so this can happen in parallel with design work.
How much does a marketing agency website cost in London?+
A Growth website starts from £2,500 and a custom build from £5,000 for agencies needing a large filterable portfolio, bespoke case study layouts or integrations. A redesign typically takes three to five weeks, with the critical path being your case study content. Care plans start from £150 per month, and two weeks of post-launch support is included. Call 07863 791100 for a fixed quote.
Will our agency site be built on WordPress?+
No. We build on bespoke Next.js 15 deployed to Cloudflare Pages, with no WordPress and no templates. This gives you a site that scores 100 on PageSpeed, handles image and video-heavy portfolios without slowing down, and lets us build non-standard case study layouts without fighting a theme. For an agency selling digital expertise, a fast, clean modern stack is itself a credibility signal to discerning clients.
How long does it take to build?+
Most projects take 2–4 weeks from briefing to launch. More complex builds with custom functionality typically take 4–6 weeks.
Will the site rank on Google?+
Yes. Every site we build ships with technical SEO, semantic HTML structure, Core Web Vitals optimisation, and schema markup. We also offer SEO service pages tailored to your sector.
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