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.
- 484 UK agencies offering web development
- Across 41 UK locations
- Reviewed 18 May 2026

As a premier digital marketing firm in Essex, UK, SX Marketing is renowned for its exceptional customer service, absolute transparency, and ROI-focused methodology. We ensure every campaign we manage is carefully tailored to achieve our clients' objectives efficiently. At SX Marketing, we prioritise data-led initiatives and effectiveness, providing an array of services including PPC advertising, S

Kinsman & Co, a London-based all-inclusive marketing agency, is renowned for its extensive range of digital marketing solutions. With specialisation in pioneering video production, strategic social media planning, and effective PPC campaigns, they are the go-to agency for an integrated approach to bolstering your marketing visibility and delivering measurable outcomes. Their proficiency in devisin

Positioned in Guildford, UK, UP THERE, DIGITAL is a vibrant digital agency with a global reach. As specialists in digital marketing and website strategy, the agency takes pride in its ability to uplift brands by providing performance-led solutions that reduce stress and promote success. Their distinctive approach intertwines web design and marketing services seamlessly, leading to remarkable resul

Five Fifty Five is an innovative marketing firm nestled in the heart of London, UK. As a unique blend of human ingenuity and advanced AI, this agency offers bespoke marketing solutions and expert advisory services specifically designed for B2B organisations. Their distinctive methodology equips marketing departments with state-of-the-art tools and customised AI-led strategies that excel beyond the

At Symphony Online, we excel in crafting bespoke websites, spearheading web development initiatives, and offering expert advice to marketers on enhancing their digital strategies. Unlike a full-service agency, Symphony Online fosters partnerships with agencies and marketers, focusing on producing sublime online experiences. Above all, Symphony Online puts the welfare of its partners at the forefro

Studiomade, a London-based strategic design and digital agency, excels in assisting businesses to thrive and launch innovative ventures through their expertise in branding, technology, and digital solutions. The agency's distinct mission sets it apart, demonstrating its ability to pivot and excel in a variety of industries. With a unique approach towards developing trailblazing projects such as us

Hi Mum! Said Dad, a UK-based design and build agency, is highly esteemed for its proficiency in innovation strategy, user-focused design, and product development. This reputable agency specialises in transmuting concepts into tangible results via comprehensive customer research, swift prototyping, and avant-garde engineering. With a proven track record of catering to globally recognised clients, H

Nerds Agency, a celebrated digital agency situated in London, UK, boasts a wide array of services such as website creation, social media handling, digital marketing strategies, brand crafting, and graphic design solutions. Their dedication to ongoing learning and development sets them apart, keeping them ahead of the curve in industry trends, and ensuring they deliver outstanding results for their

Arc, an inventive design studio nestled on England's southern shores, distinguishes itself through its team of innovative digital and creative savants. They excel in crafting compelling websites, invigorating designs, and bespoke marketing strategies to boost brand prosperity. Showcasing a diverse portfolio, Arc's past endeavours encompass editorial website creation for visual effects studios and

As a leading global B2B design and marketing agency, Thirst Design + Marketing Ltd, situated in Odiham, Hook, excels in creating innovative multi-channel marketing campaigns. Our distinct strategic and creative approach sets us apart, enabling us to develop impactful campaigns for industry giants such as CrowdStrike and Stratasys. With a wealth of expertise spanning numerous sectors, Thirst Design

Futurice, a leading digital transformation agency, hails from Finland. The agency distinguishes itself with an exceptional interdisciplinary methodology, merging top-tier technologists, strategists, and designers. They specialise in offering ground-breaking, quantifiable digital solutions spanning various sectors. Renowned for its swift outcomes and enduring influence, Futurice works in concert wi

SEO & Web, a distinguished digital marketing firm in Essex, is acclaimed for its consistent success across diverse sectors. The agency's unique selling point is its well-rounded array of digital offerings, encompassing innovative website design, focused SEO, PPC, and digital PR initiatives, all customised to boost the online visibility of clients and generate concrete outcomes. Boasting two decade

Focusing on several crucial aspects, Odyssey specialises in: - Driving a significant increase in sales via your website - Bolstering customer loyalty on your online platform - Escalating user interaction - Streamlining website functionality and navigability - Enhancing the total user experience on your site - Integrating your brand seamlessly into your digital footprint - Overseeing website

Creative Clique, a distinguished creative agency operating in Portsmouth, Hampshire, prides itself on empowering UK businesses with inventive design and strategic marketing approaches. They distinguish themselves by crafting unique brand experiences that capture the essence of creativity, collaboration, and excellence. Their customised services encompass innovative design, brand development, websi

Since its establishment in 2004, The Familiar has forged partnerships with an impressive array of clients from the UK and internationally, particularly in the edtech, education, training, and professional services industries. Nonetheless, The Familiar welcomes collaborations with any enterprise valuing team efforts and novel viewpoints. The Familiar aids leaders in devising strategies, nurturing i

AndAgain, a pioneering digital agency headquartered in London, perfectly blends strategic thinking, inventive creativity, and technological prowess. Our prime expertise lies in creating digital products and campaigns for the luxury, fashion, retail, entertainment, and B2B industries. Our unique approach enables us to serve clients across both the UK and USA. We are renowned for our innovation and

Effra, a London-based web design and build agency, specialises in crafting highly functional, CMS-integrated, and mobile-optimised websites customised for start-ups, charities, and SMEs. With over three decades of industry experience, Effra sets itself apart with its transparent, agile methodology and dedication to user-centric design. This ensures not only efficient but also future-ready digital

Radiator Digital is a leading digital agency situated in Glasgow, excelling in areas such as web design, digital marketing, eCommerce, and brand evolution. This agency stands out due to its dedication towards creating absorbing user journeys and transforming online engagements into steadfast customer relations. This is made possible through a strategic methodology that commences with comprehensive

Sixtwo, a London-based website design agency, distinguishes itself through its dedication to crafting unique, compelling websites that instigate dialogue and nurture relationships. The emphasis they place on client-centric experiences promises an enjoyable and immersive design journey. Their comprehensive, customised solutions extend from digital consulting and UX strategy to tailor-made website a

Based in Blackburn, Lancashire, DexCloud is a distinguished digital agency recognised for its proficiency in crafting bespoke digital strategies. Our broad spectrum of services encompasses web development, UX/UI design, software creation, digital marketing, and brand identity development. DexCloud sets the bar high with its unique methodology, taking on the technical burden to allow clients to con

Prospekt Agency partners with marketing departments and agencies, transforming campaign and communication project concepts into reality. We provide an extensive suite of services, ranging from 3D motion graphics, video production, post-production, image retouching, campaign creation, 3D still imagery, graphic design to web and app development. Our commitment lies in bolstering your brand's persona

Discovery Agency, a premier digital marketing firm located in Batley, West Yorkshire, specialises in devising bespoke, data-backed strategies that align with each client's distinct requirements and objectives. Our comprehensive portfolio of services encompasses SEO, PPC, social media management, branding, and website development. As a collaborative partner, we take pride in generating tangible out

Dux Digital, a Brentwood, Essex-based digital strategy agency, excels in meticulously crafting bespoke digital strategies that seamlessly blend website optimisation, brand enhancement, social media handling, and online advertising. Our mission is to empower businesses by unlocking their digital potential. Our versatility is reflected in our commitment to creating robust partnerships across a diver

Actuate Digital, a leading eCommerce agency located in the North West, proudly serves clients in and around Manchester, helping businesses throughout the UK optimise their online stores and enhance user-centric shopping experiences. Our specialities include: - Magento Website Development - Shopify Website Development - eCommerce Strategy Planning We work closely with our clients to understand th
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.
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.
- · 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
Web Development agencies by city.
Web Development agencies for specific industries.
What brands ask about web development agencies.
5 questions our editors get most often, answered honestly. No agency-marketing speak.