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 25-48 of 484 web development agenciesView in full archive
Scoot logo
Scoot
Independent·Glasgow·2-10 Employees·Verified

Scoot is a strategic digital marketing agency that prides itself on delivering bespoke solutions, specially designed to align with the unique goals of each of our clients. We offer a full suite of digital solutions designed to drive growth and transformation for your business. We create custom-built solutions that deliver results and drive value for our clients - no matter what that looks like. We

Invanity logo
Invanity
Independent·Oxford·11-50 Employees·Verified

Invanity is the revenue-first marketing agency. That means we refuse to separate marketing from commercial outcomes. Everything we do is built to create desire, capture demand, and bring the repeatable revenue that fuels growth. An ambitious, agile team, we back brands who want more momentum and more return and we go after it with them - curious, driven, and commercially awake.

This is Undefined logo
This is Undefined
Independent·London·2-10 Employees·Verified

We are a London-based digital product studio specialising in building and growing performant websites and digital products.

Create Inc. logo
Create Inc.
Independent·Nottingham·2-10 Employees·Verified

We're a strategic brand & communications consultancy, specialising in brand, digital and communication services for AQSE, AIM and investor-seeking businesses, helping them lead with clarity as they grow and evolve.

Fishtank Agency logo
Fishtank Agency
Independent·Leeds·11-50 Employees·Verified

Fishtank, a digital and creative agency in Yorkshire, UK, excels in metamorphosing corporate communication via compelling storytelling. By presenting groundbreaking solutions, they routinely secure enduring ROI for their clientele. Fishtank's distinctive edge lies in their dedication to strategic thought, use of data for business problem-solving, and proficiency in brand strategy, creative leaders

Reason8 logo
Reason8
Independent·Leicester·2-10 Employees·Verified

Reason8, a devoted family-led enterprise based in the UK, partners with its clientele to craft bespoke websites designed to cater to their specific requirements. The support doesn't halt there; Reason8 further broadens its suite of services to those ambitious clients who aim to bolster their online footprint. Leveraging SEO and website management techniques, we assist businesses in ascending to un

underscore logo
underscore
Independent·London·11-50 Employees·Verified

Established in 1999, Underscore is a cohesive collective of strategic thinkers, collaborating intensively with international partners and clients. We aim to craft engaging brand and digital strategies that captivate attention and achieve critical objectives. Our proficiency lies in attentive listening, strategic planning, and an unswerving focus on putting the "audience first" to ensure brands res

LION+MASON logo
LION+MASON
Independent·London·2-10 Employees·Verified

LION+MASON is a top-rated, strictly senior-led UK Digital Product Consultancy, specialising exclusively in the design, modernisation, and scaling of complex enterprise products and high-transaction platforms. Operating at the intersection of human-centred design and commercial strategy, the agency partners with global brands such as Johnson & Johnson, Best Western, and Cambridge University Press to drive scalable product growth and measurable business performance. Rejecting the traditional agency pyramid, LION+MASON connects clients directly with seasoned industry veterans and operates a unique, tech-agnostic "Architect Model"—remaining independent of the software engineering build phase to provide completely objective, best-fit technical partnerships without vendor lock-in. Consistently ranked by Clutch as one of the top UX Agencies in the UK and a leading global research firm, LION+MASON eschews traditional sales pitches in favour of a zero-barrier, free "Light Briefing," offering enterprise leaders immediate, expert perspective on how to bridge internal skill gaps, build competitive advantage, and architect market-leading digital products.

Appeal Digital logo
Appeal Digital
Independent·Bristol·11-50 Employees·Verified

As a premier web design and digital development agency located in Bristol, Appeal Digital excels in developing bespoke WordPress, WooCommerce, and software solutions. Our targeted digital experiences are designed to expedite goal achievement for teams. We stand out in the crowded B2B marketing landscape through our extensive proficiency in website performance, technical SEO, and digital design. Thi

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

RJM Digital, a London and Eastbourne-based digital marketing firm, excels in utilising AI to bolster digital marketing tactics. Offering an array of services such as SEO, web design, and bespoke Google Ads, RJM Digital aims to assist businesses in flourishing and magnetising their target audience. With a strong commitment to sustainability, RJM Digital also offers eco-friendly website solutions th

Devstars logo
Devstars
Independent·London·11-50 Employees·Verified

Established in 2003, Devstars is a distinguished UK-based digital agency, renowned for delivering prize-winning digital solutions. Specialising in the design of bespoke websites, the creation of innovative apps, and the implementation of AI automation, Devstars caters for the unique requirements of SMBs and startups. The agency differentiates with its pledge to deliver projects of "pixel-perfect"

Creode logo
Creode
Independent·Leeds·11-50 Employees·Verified

Creode, a leading digital marketing firm established in Leeds, UK, distinguishes itself through its commitment to providing revolutionary outcomes. This is achieved by harmonising inventive concepts, customer interaction, and performance enhancement throughout the full customer journey. With a speciality in areas such as financial services and FinTech, Creode utilises market intelligence and forwa

The Human Tech Agency logo
The Human Tech Agency
Independent·Bournemouth·11-50 Employees·Verified

At The Human Tech Agency, our mission is to improve the quality of people's lives. By coupling empathy with data-driven research, we delve into the unique needs and motivations of our clients and their user base. Harnessing the power of state-of-the-art technology, we at The Human Tech Agency create compelling and interactive digital experiences. Our services encompass website creation, metaverse

Pixeltree logo
Pixeltree
Independent·Manchester·11-50 Employees·Verified

Pixeltree is a Manchester-based digital experience and product consultancy. We help digital teams design, test and launch better products through research, UX strategy, product design and Design Sprints, working across finance, hospitality, travel and beyond.

Unit Digital logo
Unit Digital
Independent·Sheffield·2-10 Employees·Verified

Unit Digital Ltd is a top-tier, Sheffield City Centre-based digital marketing agency offering comprehensive services. Distinguished by its distinctive fusion of creative agency sparkle and in-house team dedication, Unit Digital ensures a straightforward, results-oriented, and client-centric method. Comprising a close-knit group of seasoned industry professionals, they excel in engaging audiences a

Q-Online logo
Q-Online
Independent·London·2-10 Employees·Verified

Elevate Your Business with Top-Notch Digital Marketing Services from a Premier London Agency Q-Online shines as a performance-driven digital marketing firm rooted in Croydon, known for its unparalleled proficiency and experience. This agency champions professionalism, approachability, and sheer transparency in its dealings with clients. If you're in pursuit of tangible, influential, and long-last

Dimension Creative logo
Dimension Creative
Independent·Cambridge·2-10 Employees·Verified

Dimension Creative is a full-service marketing agency in Bury St. Edmunds, Suffolk. Web design, branding, graphic design, SEO, Google Ads, social media and marketing strategy — all under one roof. No jargon, no lock-in, and you own what we build.

Angelfish Marketing logo
Angelfish Marketing
Independent·Gloucester·11-50 Employees·Verified

Angelfish Marketing is a specialist B2B SEO and AEO agency helping SaaS, technology and professional services companies get found, trusted and chosen across Google and AI answer engines.

Fortnight Studio logo
Fortnight Studio
Independent·London·11-50 Employees·Verified

Fortnight is a London design and development studio creating mobile apps, brands and websites. Our work includes Bumble, Thursday, Simba Sleep and Mindful Chef.

Mayfly Internet Marketing logo
Mayfly Internet Marketing
Independent·Liverpool·2-10 Employees·Verified

Established in 2008, Mayfly is a leading digital marketing agency situated in the heart of Liverpool. As a distinguished Google Partner Agency, Mayfly specialises in delivering extensive digital marketing solutions, ranging from tailor-made SEO services, proficient social media management, targeted PPC campaigns, to innovative web design. Our team at Mayfly takes immense pride in ensuring high-quality leads that bring real value to our clients' businesses.

Rawww logo
Rawww
Independent·Birmingham·2-10 Employees·Verified

Rawww Ltd is a pioneering digital creative agency with bases in both Coventry and London. Distinguished by an insight-led methodology, Rawww crafts transformative brand and digital narratives, equipping businesses and in-house teams for enhanced performance. Their exclusive services encompass an emphasis on strategic planning, brand development, innovative campaigns, website enhancement, bespoke c

Proctor + Stevenson logo
Proctor + Stevenson
Independent·Bristol·11-50 Employees·Verified

Proctor + Stevenson, a comprehensive B2B marketing agency in Bristol, UK, stands out for its unique capability to embrace commercial hurdles with a resounding "YES". By delivering customised marketing strategies, inventive solutions, and ground-breaking tech innovations, P+S ensures optimal business performance. Established in 1979, P+S merges years of industry expertise with a top-tier team.

Zinc Digital logo
Zinc Digital
Independent·Northampton·11-50 Employees·Verified

Zinc Digital of Northampton, UK, is a leading full-range digital agency renowned for its distinctive, collaborative method. Their strategic partnership with clients cultivates bespoke designs and plans that amplify each business's unique selling points (USPs), ensuring standout design and potent marketing. Their dedication to providing premium digital solutions is apparent in their extensive servi

mso Web Agency logo
mso Web Agency
Independent·Kent·11-50 Employees·Verified

MSO Web Agency, nestled in the heart of West Kingsdown, Kent, is a leading digital solutions provider specialising in tailoring bespoke website experiences that propel clients' growth. They offer customised, aesthetically pleasing, and high-functioning digital solutions. Their distinctive strategy concentrates on creating superior websites, specifically designed to cater to diverse sectors, encomp

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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.