864 agencies indexed·Latest entry: 28 August 2026
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Service · 461 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
  • 461 UK agencies offering web development
  • Across 38 UK locations
  • Reviewed 18 May 2026
Showing 289-312 of 461 web development agenciesView in full archive
Skywire logo
Skywire
Independent·London·11-50 Employees

Skywire, a premier digital strategy agency, is nestled in the heart of London, offering bespoke solutions tailored to luxury, fashion, and lifestyle brands. Offering an unparalleled blend of inventive content, superior ecommerce development and astute growth strategies, Skywire fuels business expansion. This agency continually raises the bar for its clientele, solidifying their industry-leading po

Green17 Creative logo
Green17 Creative
Independent·Belfast·2-10 Employees

Green17, a Belfast-based digital agency, excels in creating bespoke mobile apps, websites, and digital marketing strategies. They differentiate themselves by crafting digital experiences tailored to user needs, including the Girlguiding Ulster app featuring customised notifications, and the NICHS website, which boasts integrated eCommerce and donation functions. Their broad spectrum of services en

Gekkoshot logo
Gekkoshot
Independent·Belfast·2-10 Employees

Gekkoshot, a premier digital marketing firm stationed in Belfast, is renowned for its wide-ranging services. Our expertise encompasses web design, SEO, social media management, and bespoke content creation. At Gekkoshot, every client receives a tailor-made strategy crafted to effectively propel their brand visibility and organically boost lead generation. Our commitment towards client triumph is d

Byter logo
Byter
Independent·London·11-50 Employees

Based in London, Byter is a digital marketing and social media agency, renowned for empowering businesses to harness the power of social media and advertising for enhanced audience reach and sales growth. Byter's unique selling proposition lies in its comprehensive, all-encompassing approach to social media marketing, offering a seamless, single-point-of-contact service for everything from content

Wildish & Co. logo
Wildish & Co.
Independent·London·2-10 Employees

Wildish & Co., a London-based creative studio, differentiates itself by invigorating brands with a distinctive fusion of branding, strategic planning, innovative campaigns, marketing, and digital solutions. They spotlight creativity and teamwork to generate a positive influence. Their dedication to crafting dynamic, captivating brand interactions enables them to metamorphose businesses into unforg

blue bee logo
blue bee
Independent·Southampton·11-50 Employees

Blue Bee is a Salisbury, Wiltshire-based digital marketing agency specialising in an extensive array of services. This includes bespoke website design, strategic digital marketing, effective SEO, and targeted Google Ads, all designed to bolster our clients' online visibility. Our unique method at Blue Bee combines creativity, professionalism, and teamwork, ensuring businesses of all sizes, from sm

Staxo logo
Staxo
Independent·London·51-200 Employees

STAXO, a London-based web design and development agency, is renowned for its inventive approach to addressing complex technical issues. As an award-winning agency, STAXO stands out with its all-encompassing digital service offering that includes branding, UX/UI design, development, hosting, and round-the-clock support. This ensures the delivery of secure, captivating digital experiences. STAXO is

Somebody Digital logo
Somebody Digital
Independent·London·2-10 Employees

Somebody Digital excels in transforming data into powerful business results. Our main focus is on boosting ROI by crafting inventive solutions combined with strategic approaches to improve revenue outcomes. Boasting a team of ex-in-house and agency experts, Somebody Digital is uniquely positioned to act as a trusted and collaborative partner for clients. From PPC and SEO to social media, PR, conte

MCM logo
MCM
Independent·Kent·11-50 Employees

MCM Reykjavík, a digital marketing agency headquartered in Reykjavík, distinguishes itself through a steadfast dedication to enhancing the online performance of brands. A unique amalgamation of data, technology, and collaboration enables MCM to ensure content deeply connects with the intended audience. With a noteworthy experience spanning over 27 years, MCM Reykjavík has gained a reputation for i

Justified Studio logo
Justified Studio
Independent·London·11-50 Employees

Justified Studio, a comprehensive creative agency nestled in the heart of London, prides itself on fostering partnerships with forward-thinking, purpose-driven organisations. Their specialty lies in fuelling dynamic growth by seamlessly blending brand strategy, visual identity, and digital product design services. The distinctive edge of Justified Studio is their unwavering commitment to crafting

Abstrakt logo
Abstrakt
Independent·Nottingham·2-10 Employees

Abstrakt, a B Corp accredited web design agency hailing from Nottingham, distinguishes itself with a brand-focused methodology in design and development through Craft CMS. This guarantees every digital encounter is aesthetically pleasing and highly efficient. Specialising in the creation of potent digital experiences, Abstrakt works to boost brands online by delivering measurable outcomes, minus a

Aware Digital logo
Aware Digital
Independent·Manchester·2-10 Employees

Situated in Stoke On Trent, UK, Aware Digital is a leading Magento eCommerce agency providing full-scale services. Our unique selling point lies in utilising the Adobe Digital Experience suite and Hyvä frontend for Magento 2, optimising high-performance digital experiences that accelerate business growth. Our crew of certified Adobe Commerce experts deliver an all-encompassing array of services, e

Creation Web Solutions logo
Creation Web Solutions
Independent·Portsmouth·2-10 Employees

Web Creation Solutions Ltd, a multi-prized full-service web agency located in Portsmouth, Hampshire, sets itself apart by delivering an extensive array of services. These services encompass SEO, bespoke website design, and app development, all aimed at customising solutions to align with the distinctive requirements of businesses, thus fostering considerable online expansion. Their dedication to e

Complex Creative logo
Complex Creative
Independent·London·2-10 Employees

Complex Creative, an all-encompassing creative agency in London, excels in promoting digital sustainability and assisting clients to reduce their digital carbon emissions. Their distinguishing attributes include a genuine commitment to transparency and authenticity, eschewing industry norms of inflated promises and deficient delivery. Instead, their focus is on crafting high-performance, low-carbo

Staunton Rook logo
Staunton Rook
Independent·Chester·2-10 Employees

Staunton Rook, a leading digital marketing agency rooted in Chester, offers a fusion of creative ingenuity and strategic acumen in its comprehensive marketing solutions. Our unique ability to integrate offline and online marketing techniques gives life to powerful branding, compelling websites, and remarkable digital marketing and advertising initiatives. With over two decades of industry expertis

9xb logo
9xb
Independent·Leeds·11-50 Employees

9xb is a leading authority in bolstering businesses' online presence by putting customer needs at the forefront. Boasting a proficient team, 9xb is acclaimed for its comprehensive capabilities in complex eCommerce development, integrations, UX/UI design, and strategic growth, validated by a plethora of industry commendations. Many of the UK's largest and most complex enterprises value 9xb's Agile

Sellerdeck logo
Sellerdeck
Independent·Exeter·11-50 Employees

As a premier player in eCommerce technical execution, Sellerdeck specialises in the development and upkeep of eCommerce websites, leveraging the power of WooCommerce and Magento platforms. Our journey with you begins from the initial blueprint and progresses through development, culminating in secure, high-speed hosting. Our partnership has been instrumental in the success of countless websites.

Visibility Agency logo
Visibility Agency
Independent·Nottingham·2-10 Employees

Visibility Agency, a leading Digital Marketing firm, is strategically positioned in Nottingham, UK. The agency excels in the realms of Search Engine Optimisation (SEO), Pay-Per-Click (PPC) Advertising, and Conversion Rate Optimisation (CRO), utilising sophisticated campaigns, accurate data, and cutting-edge technology to augment visibility while reducing client stress levels. With a successful his

Capsule Marketing logo
Capsule Marketing
Independent·Essex·2-10 Employees

As a UK-based creative agency, Capsule Marketing is renowned for its masterful application of motion design and social media marketing. We offer compelling visual narratives and astute strategic insights to bolster brand engagement. Our suite of specialised strategies are crafted to exploit platforms such as Instagram, enabling effective connection with an array of audiences. This includes busines

KW Marketing logo
KW Marketing
Independent·Exeter·2-10 Employees

KW Marketing, a distinguished digital marketing consultancy, operates from the heart of Exeter and London. Spearheaded by the ingenious Kate Williams, the firm is acclaimed for its data-guided strategies that adeptly turn online traffic into actual sales. Our areas of expertise notably include social media, email marketing, and Google Ads, where we consistently outperform. What sets KW Marketing a

HC Media Group logo
HC Media Group
Independent·Essex·11-50 Employees

As a premier digital marketing consultancy in Colchester, Essex, HC Media Group prides itself on devising human-focused, authentic marketing strategies. We distinguish ourselves by minimising AI usage, opting instead for genuine, human-centric approaches that resonate deeply with target audiences. Our extensive suite of tailored services encompasses website design, SEO, Google AdWords, and social

Cheshire Online logo
Cheshire Online
Independent·Manchester·2-10 Employees

Cheshire Online, a Congleton-based digital marketing agency in Cheshire, distinguishes itself through its unwavering dedication to the exploration of cutting-edge digital technologies. The firm continually invests in researching fresh strategies, aiming to deliver innovative digital solutions that furnish clients with a distinct competitive advantage. More than just a provider of web design servic

The Inter Group logo
The Inter Group
Independent·Leeds·11-50 Employees

The Inter Group (TIG), a leading digital marketing agency, is nestled in the heart of Knaresborough, North Yorkshire. Showcasing a unique blend of media, creativity, technology, and data, we offer a wide range of customised marketing services that breathe life into our clients' visions. TIG, backed by more than half a century of industry experience, has built a formidable reputation, earning the t

GrowCreate logo
GrowCreate
Independent·Oxford·11-50 Employees

Specialising in UX design and .NET web development, GrowCreate is a UK-based digital agency renowned for its exceptional support services available 24/7. Our unique selling point lies in our agile development methodologies, proficiency in managing AWS and Azure cloud platforms, and our commitment to delivering smooth and efficient digital experiences to international brands. As an esteemed Umbraco

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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.