902 agencies indexed·Latest entry: 16 October 2026
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Service · 484 agencies

Web Development agencies.

Web Development is the technical build of a website or web application: writing code, configuring the CMS, wiring up integrations, and shipping a stable, performant product to production. It sits alongside web design, which is the visual and UX work, and is the discipline commissioned when the brief is to build, ship, and maintain.

At a glance
  • 484 UK agencies offering web development
  • Across 41 UK locations
  • Reviewed 18 May 2026
Showing 121-144 of 484 web development agenciesView in full archive
Lumi Studio logo
Lumi Studio
Independent·Edinburgh·2-10 Employees·Verified

Lumi Studio is a senior product design and development studio for complex, data-rich digital products. Based in Edinburgh and working across the UK, Europe and North America, we help growth-stage startups and established product teams design, build and grow software people rely on every day. Products we have helped create are used by 50+ million people, and we have been part of 4 exits, including acquisitions by Atlassian, IAC and Hivebrite.

Modal Digital logo
Modal Digital
Independent·Manchester·11-50 Employees·Verified

Modal® is a forward-thinking, Manchester-based web design and branding agency committed to transforming the way ambitious brands connect with their audiences online. We use industry-leading coding techniques and strategic brand storytelling to help you achieve lasting impact and measurable results.

NEXT Digital Agency logo
NEXT Digital Agency
Independent·London·2-10 Employees·Verified

The WordPress & Magento Marketing Agency NEXT Digital Agency is a full-service digital marketing agency specialising in WordPress websites, Magento 2 e-commerce, SEO, and PPC. We combine performance-driven marketing, thoughtful design, and reliable development to build online platforms that attract the right audience, convert better, and support long-term growth.

Nine Stones logo
Nine Stones
Network·Bournemouth·11-50 Employees·Verified

Nine Stones provides a complete, hands-on marketing solution tailored for established B2B businesses, manufacturers, distributors, and professional services. Built to bridge the gap between expensive in-house hires and unpredictable agencies, Nine Stones pairs every client with a senior strategist and execution team to handle strategy, content, SEO, web site maintenance and paid channels under one fixed-fee subscription.

On Poynt Creative logo
On Poynt Creative
Independent·Leicester·2-10 Employees·Verified

On Poynt Creative is a branding, design and web studio based in Leicester. We create brands, rebrand established ones, design packaging and build websites, always starting from the commercial goal rather than the creative one. Good design is only good if it shifts product, wins the pitch or converts the visitor.

Passionate Agency – Passionates logo
Passionate Agency – Passionates
Independent·London·11-50 Employees·Verified

Data-driven creative agency for B2B tech and services companies, providing premium design, video, web development, UX research, conversion optimization, automation and AI solutions on demand.

Phoenix Media Marketing logo
Phoenix Media Marketing
Independent·Brighton·2-10 Employees·Verified

Phoenix Media Marketing is an award winning, independent full service marketing agency in Haywards Heath, West Sussex. We help ambitious local and regional businesses grow through SEO, AI search and Generative Engine Optimisation (GEO), PPC, content, digital PR, social media, email automation, video and website design. Winner of the Shooting Star award at the BHBiz26 Business Awards 2026.

Pod Digital Marketing logo
Pod Digital Marketing
Specialist·Leicester·11-50 Employees·Verified

At Pod Digital, we’re a Digital Marketing Agency that’s passionate about helping businesses grow. We specialise in SEO, AI search optimisation, PPC and paid social, alongside web design, data insight and intelligent automation. We take pride in working alongside you to bring your business goals to life.

Prox Digital Agency London logo
Prox Digital Agency London
Specialist·London·11-50 Employees·Verified

Creative & Digital Growth Agency - London, UK Prox Digital Agency - Pros for growth is a London-based creative and digital growth partner for brands ready to scale with clarity. Founded by CEO Ali Zafar Azad, he leads the agency with a strategist's mindset, helping businesses that need more than just execution: they need direction. With 10+ years of experience and 500+ projects delivered worldwide

RVS Media logo
RVS Media
Specialist·London·51-200 Employees·Verified

Award-Winning Custom Web & Software Development Company in London, helping businesses across the UK build, scale & innovate with custom websites, software, ecommerce, mobile apps, AI integration & digital transformation services.

RankGuide logo
RankGuide
Independent·Lincolnshire·11-50 Employees·Verified

RankGuide has been shaped by people who actively build links, analyse SERPs, manage risk, and understand what Google rewards over time. We focus on authority, relevance, and intent. Not shortcuts. Our team combines technical SEO, content strategy, outreach expertise, and platform engineering to create a link building experience that feels modern, transparent, and genuinely useful. Fast where speed matters. Careful where quality is non negotiable.

Rise & Amplify logo
Rise & Amplify
Independent·Manchester·11-50 Employees·Verified

We're an independent creative agency made up of passionate thinkers and talented doers, united by a shared obsession: helping brands rise above the noise and amplify their presence where it matters most.

Rollo logo
Rollo
Independent·Portsmouth·11-50 Employees·Verified

Rollo is an independent marketing agency based in Portsmouth. We work with scale-ups, established brands, and partners who want senior thinking without the overhead that usually comes with it.

Same Day Store logo
Same Day Store
Independent·Manchester·2-10 Employees·Verified

Shopify Agency for Ecommerce Brands in the UK Your trusted UK Shopify agency for high-converting Ecommerce web design, custom development, SEO, and conversion rate optimisation. We build online stores that help Ecommerce brands increase sales and achieve long-term growth.

Scale Oxford logo
Scale Oxford
Independent·Oxford·2-10 Employees·Verified

Scale Oxford is Oxford’s full-service digital marketing agency, helping local businesses grow through SEO, paid advertising, social media, content marketing and digital strategy.

Sharkfold Ltd logo
Sharkfold Ltd
Independent·London·11-50 Employees·Verified

Marketing Agency in London To help your business grow, Sharkfold digital marketing company makes bold decisions. We provide tailored tactics to reach your target audience and achieve your business goals. Increase brand visibility, leads, and sales with our services. We strive to serve our clients well. We'll learn about your business and goals and utilize our knowledge to help you succeed. SEO, PP

Si digital logo
Si digital
Independent·Portsmouth·11-50 Employees·Verified

For over two decades, we've built websites, apps, and software that bring clarity, efficiency, and brand impact to ambitious global businesses.

Siruss logo
Siruss
Independent·Shrewsbury·2-10 Employees·Verified

Siruss is a full-service digital agency based in Shrewsbury, Shropshire. We work with businesses as their digital partner, providing best-in-class web design, development, SEO and digital marketing.

Spotty Media logo
Spotty Media
Independent·Durham·2-10 Employees·Verified

Spotty Media is a specialist hospitality digital marketing agency helping restaurants, bars, hotels, venues and food and drink brands grow through social media, PR, content, websites, paid social, email marketing and consultancy.

Storm Digital logo
Storm Digital
Independent·London·2-10 Employees·Verified

Surrey-based developers and creators building web, mobile, AR/VR and AI experiences for clients across Surrey and London - hands-on from first idea to launch, for start-ups through to global brands.

Switch - Creative Agency logo
Switch - Creative Agency
Independent·Birmingham·11-50 Employees·Verified

We're an established expert communications business that improves commercial capability through design, brand and digital solutions. For over 40 years we’ve dedicated ourselves to helping our clients communicate effectively, so that they position themselves with clarity, engage more closely with their audiences, sell more of what they do and successfully grow or transform their businesses.

The Creative Composite logo
The Creative Composite
Independent·Manchester·2-10 Employees·Verified

We help aspiring dental professionals across the UK, Ireland, and the US amplify their story, attract quality patients, build systems for predictability, and give them clarity and control on their future growth. From SEO and website development to Meta Ads and PPC, we're a full-stack marketing company with 20+ years of experience in the dental industry.

The Digital Maze logo
The Digital Maze
Independent·Derby·11-50 Employees·Verified

We’re a Derby-based digital marketing agency helping ambitious brands grow and scale with confidence. From smart strategies to expert execution, we craft tailored marketing strategies that turn clicks into long-term customers. We’re more than just a digital marketing company – we’re an extension of your team.

Toolbelt Websites logo
Toolbelt Websites
Independent·Ipswich·2-10 Employees·Verified

Toolbelt Websites provides affordable web design, SEO and digital marketing for tradesmen and trade businesses across the UK. We create professional websites for plumbers, electricians, builders, roofers and other trades, with hosting, support, maintenance and ongoing updates included.

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Editor's note
Web Development in the UK splits, in 2026, into three honest tiers. Boutique studios and senior freelancers build brochure sites and small WordPress projects in the £2,000-15,000 band. Mid-market agencies running custom React or Next.js stacks, headless CMS work, and mid-size ecommerce sit at £10,000-50,000. Network shops and specialist platform teams handle complex web apps and enterprise ecommerce from £50,000 into six figures. AgencyIndex tags 429 UK agencies as Web Development providers. The stack shapes everything else. WordPress is still the volume default for content sites and runs cheapest to maintain. Custom React or Next.js, often paired with a headless CMS like Sanity, Contentful, or Storyblok, costs more up front but wins on performance, Core Web Vitals, and long-term flexibility. Ecommerce sits on its own axis (Shopify, Shopify Plus, WooCommerce, or fully headless), and web apps are a separate discipline. Two shifts now sit underneath every brief. The European Accessibility Act, enforceable from 28 June 2025, means any UK site selling into the EU is expected to meet WCAG 2.1 AA. Core Web Vitals remain a Google ranking signal, so performance is no longer a post-launch optimisation. Filter the index by stack, sector, and ownership to find who is actually doing the work.
Typical cost
£2,000-150,000+
per project

Brochure / small WordPress £2,000-15,000 · Custom React or Next.js £10,000-50,000 · Mid-size ecommerce £8,000-50,000 · Complex web apps and SaaS £50,000-150,000+. Maintenance retainers £150-2,000+ per month.

Realistic timeline
4 weeks-9 months
per launch

Brochure sites 4-8 weeks · Ecommerce 8-16 weeks · Complex web apps 4-9 months. Phases: discovery 1-4wks, design 1-6wks, build 1-20wks, QA 1-4wks, launch.

Red flags
6 to watch
in any pitch
  • · Refusal to hand over source code ownership or repo access on handover
  • · Proprietary CMS or hosting lock-in that makes migration off the platform painful
  • · Hidden offshoring with no named technical lead and no time-zone overlap
  • · No SLA on bug fixes, no documented post-launch support terms
  • · Can't talk fluently about Core Web Vitals, Lighthouse, or WCAG 2.1 AA accessibility
  • · Suspiciously low fixed-price quotes that skip discovery and assume zero scope creep
Frequently asked

What brands ask about web development agencies.

5 questions our editors get most often, answered honestly. No agency-marketing speak.

Curated by humans

UK web development pricing splits by project type. A brochure or small WordPress site from a proper agency runs £2,000-15,000. Custom React or Next.js builds, usually paired with a headless CMS, sit at £10,000-50,000. Mid-size ecommerce lands between £8,000 and £50,000 depending on integrations. Complex web apps and SaaS platforms start around £50,000 and climb past £150,000 for enterprise work. Maintenance retainers are separate and typically run £150-2,000+ per month.