864 agencies indexed·Latest entry: 2 September 2026
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Service · 462 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
  • 462 UK agencies offering web development
  • Across 39 UK locations
  • Reviewed 18 May 2026
Showing 217-240 of 462 web development agenciesView in full archive
Infinite Form logo
Infinite Form
Independent·Cambridge·11-50 Employees

Infinite Form is a Norwich-based production studio, excelling in the creation of immersive content and pioneering technology. Distinguished by their fearless creativity and innovative use of technology, Infinite Form crafts memorable virtual experiences for brands, organisations, and agencies across the globe. With a solid foundation established since 2015, they have honed their skills in VR, AR,

Brand42 logo
Brand42
Independent·London·2-10 Employees

Brand42, a London-based independent design and digital agency, distinguishes itself through its award-winning methodology in providing strategic branding solutions. Specialising in engaging and globally adaptable digital design, Brand42 is renowned for its unique approach. The innovative one-team strategy employed by the agency successfully bypasses bureaucratic hurdles, thus guaranteeing an exped

Adams Creative Group logo
Adams Creative Group
Independent·Kent·2-10 Employees

Adams Group, a Kent-based, award-winning creative marketing agency, specialises in delivering bespoke digital marketing solutions. Their unique collaborative approach, tailored to the distinct needs of B2B clientele, sets them apart, ensuring optimal results through strong partnerships with client's in-house marketing squads. Leveraging over three decades of industry experience and proficiency acr

Odiono logo
Odiono
Independent·London·2-10 Employees

Based in London, Odiono is a distinguished digital marketing agency renowned for its proficiency in website development, SEO, PPC, and social media marketing. In a strategic move, Odiono has teamed up with TMH Media, thus forming TMH Digital - a robust entity offering a potent mix of digital and offline media services. This alliance offers a unified approach to marketing, optimising the robust cap

Big Orange Media logo
Big Orange Media
Independent·Kent·11-50 Employees

Big Orange Media is a distinguished creative agency rooted in Tunbridge Wells. Our bespoke approach sets us apart, providing Build, Grow, and Accelerate packages designed to dovetail with clients' distinct business phases and goals. Steadfastly committed to rendering superior creative solutions, Big Orange Media leverages proficiency in web design, digital marketing, and social media to captivate

Somnowell Marketing logo
Somnowell Marketing
Independent·Brighton·11-50 Employees

Somnowell Marketing, a digital marketing firm rooted in the UK, excels in the field of healthcare marketing. Distinguished by their profound knowledge of the sleep industry and their unparalleled patient-focused approach, Somnowell Marketing stands out from the crowd. Their heritage as a part of a sleep apnoea medical device producer further enhances their expertise. Harnessing their vast experien

Clever Ghost logo
Clever Ghost
Independent·Belfast·2-10 Employees

Established in 2018, Clever Ghost is a revered brand and design studio located in the heart of Holywood, Northern Ireland. Our core mission is to instigate significant transformation through savvy design. As a behind-the-scenes operator, Clever Ghost provides an all-inclusive suite of services. These span from brand identity formulation and strategic branding to logo design, advertising campaign d

Ministry of Fish logo
Ministry of Fish
Independent·Southampton·11-50 Employees

Ministry of Fish, a comprehensive creative marketing agency nestled in Winchester, Hampshire, stands out due to its vibrant approach and extensive know-how. They specialise in a broad spectrum of services, including branding, design, strategic planning, event coordination, and video production. Additionally, they thrive in the niche area of pharmaceutical marketing, demonstrating an impressive dep

Station Rd Marketing logo
Station Rd Marketing
Independent·Cardiff·11-50 Employees

Beyond Marketing, a Cardiff-based strategic marketing agency, distinguishes itself through its dedication to developing purpose-driven marketing strategies. These strategies unearth unseen challenges and foster authentic relationships, guaranteeing sustainable growth and beneficial outcomes for our clients. Our offerings encompass strategic insights, persuasive communication, and the inclusion of

Square Balloon logo
Square Balloon
Independent·London·2-10 Employees

Square Balloon, strategically located in London, UK, is a distinguished agency specialising in branding, marketing, and digital solutions. The unique factor that differentiates Square Balloon is their holistic approach to business enhancement, which involves offering bespoke design, technology, and marketing services, seamlessly integrated to boost business expansion and productivity. The agency i

Design Culture logo
Design Culture
Independent·London·2-10 Employees

Design Culture, a renowned digital agency in London, excels in crafting customised web platforms, e-commerce solutions and digital services for organisations with a noble cause. Our unique selling proposition lies in our unwavering dedication towards elevating brand comprehension and simplicity, whilst fuelling conversions. We ensure that digital journeys undertaken by users not only impact their

SourceCodeStudio logo
SourceCodeStudio
Independent·Cambridge·2-10 Employees

SourceCodeStudio, a Suffolk-based Custom Software Development Agency, stands out for its dedication to enhancing profitability via tailored software and mobile app solutions. These bespoke digital products are crafted to optimise operations and boost business efficiency. Our unique blend of in-depth expertise, a client-centric approach, and adaptable pricing ensures delivery of customised, results

Applied Digital logo
Applied Digital
Independent·Leeds·2-10 Employees

Established in 1999, Applied is a leading brand, marketing, and website development firm based in Huddersfield, West Yorkshire. As a comprehensive service agency, we excel in augmenting the competitive edge of progressive businesses through a broad scope of services, encompassing brand building, innovative marketing strategies, and bespoke web development. Our proficiency is demonstrated in a vari

39steps logo
39steps
Independent·Edinburgh·2-10 Employees

39steps, a comprehensive creative agency nestled in Edinburgh, excels in rejuvenating exhausted brands into lucrative assets. The agency crafts captivating narratives and designs, tailored to enchant the ideal audience. Offering an extensive selection of services from brand identity evolution, strategic digital campaigning, adaptive web design to graphic design and print, 39steps guarantees your b

Poppins logo
Poppins
Independent·London·11-50 Employees

WE ARE POPPINS, a dynamic creative agency nestled in the heart of London, stands out through its all-encompassing approach. We specialise in delivering a broad spectrum of services, encompassing digital, identity, brand, marketing, and experiential solutions. Our unique selling point lies in our ability to craft immersive community experiences, setting us apart in the competitive landscape. At WE

SOS Marketing logo
SOS Marketing
Independent·Leeds·2-10 Employees

SOS Marketing, a comprehensive digital marketing agency located in Leeds, is renowned for its daring autonomy and inventive strategies. Specialising in creating high-performing digital marketing techniques, we excel in rendering services like pay-per-click, SEO, and social media campaigns that guarantee prominent online visibility and audience engagement. With our unwavering commitment to uniquene

DRUM Studios logo
DRUM Studios
Independent·London·2-10 Employees

As a leading digital agency in Farnham, Surrey, DRUM has gained recognition for its exemplary services, securing numerous accolades. Our key differentiator lies in our unwavering commitment to generating sustainable and accessible digital media. Our service portfolio spans across digital strategy formulation, website design and development, app creation, video production, and dynamic motion graphi

Atomic Digital Labs logo
Atomic Digital Labs
Independent·Manchester·2-10 Employees

Atomic Digital Labs, a premier UK-based web development company, is celebrated for its inventive and holistic digital strategies. Our expertise lies in web and app development, UX/UI design, and branding, as we excel in crafting unique digital experiences on various platforms including WordPress, Shopify, and Webflow. Embracing transparency, agile workflows, and advanced technology, Atomic Digital

Wave Marketing logo
Wave Marketing
Independent·Bristol·2-10 Employees

Wave Marketing, a proficient team of seasoned marketers based in Bristol, UK, specialises in delivering tangible results without undue complexities. We take immense pride in our global collaborations with diverse industry sectors, including technology, education, healthcare, hospitality, and food and beverage sectors. Our core competency lies in digital marketing and automation, making us an ide

Discover Digital logo
Discover Digital
Independent·Reading·11-50 Employees

Discover Digital, located in Reading, is a renowned agency focusing on digital transformation. This agency is skilled in crafting all-inclusive digital solutions that assist businesses from the conception of their initial vision to tangible, real-world impacts. Distinguished by its commitment to tailor-made, customer-focused experiences, Discover Digital excels in enhancing each client's individua

Crowdform logo
Crowdform
Independent·London·11-50 Employees

Crowdform operates as a pioneering venture and digital product studio, located in London and São Paulo. This brand excels in developing cutting-edge digital solutions and initiating ventures designed for the progressing web, emphasising on advancements in Web3, DeFi, and gaming sectors. What differentiates Crowdform is its comprehensive understanding of user challenges and its ability to create te

Devstars logo
Devstars
Independent·London·11-50 Employees

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"

Insight Consultancy logo
Insight Consultancy
Independent·Leicester·2-10 Employees

Insight Consultancy, a premier digital marketing and web design agency situated in Leicester, distinguishes itself with its unique fusion of inventive prowess and analytical intellect. Providing a broad spectrum of services including branding, web design, marketing, and consultancy, they equip businesses with a robust competitive advantage. Their dedication to fostering client growth shines throug

Form Agency logo
Form Agency
Independent·Kent·2-10 Employees

Form Agency, a distinguished marketing and design company in Kent, boasts an international presence. Primarily focusing on the financial and fintech industries, the company is recognised for its proficiency in crafting engaging designs and executing profitable advertising strategies, leveraging its comprehensive industry expertise and knowledge of contemporary design trends. The distinguishing fea

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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.