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

Passion Digital, a London-based digital marketing agency, excels in blending creativity with performance to create engaging campaigns that convert potential audiences into profitable leads and revenue. This agency transcends traditional boundaries by integrating data-driven strategies with content planning, thus providing customised solutions across a spectrum of services, from SEO to Amazon Adver

Based in the heart of Nottingham's Creative Quarter, Ketchup is a dynamic digital marketing agency offering a complete suite of services. Our unique selling proposition is our holistic methodology, which ingeniously fuses strategy, creativity, and technical prowess. Our goal is to generate tangible results through bespoke marketing strategies, innovative design, and compelling content. By adopting

Situated in the heart of London, KOTA is a distinguished creative web design and branding agency. Our steadfast dedication to delivering visually impressive digital experiences sets us apart. We seamlessly integrate aesthetic appeal with a focus on return on investment, ensuring each project we undertake not only enthralls but also generates revenue. Specialising in strategic brand development and

ProfileTree, a renowned digital marketing agency in Northern Ireland and Ireland, prides itself on providing a diverse spectrum of premium services. Our offerings range from elegant website design to robust web development and award-winning content marketing, all aimed at generating substantial ROI. More than that, ProfileTree is distinguished by its proficiency in digital training and SEO service

Located in London, AKQA is a renowned agency specialising in digital innovation and design solutions. They offer a wide array of services, including brand strategy, digital transformation, and experience design, utilising state-of-the-art technology such as artificial intelligence to deliver high-impact results for their clients. AKQA's distinctive selling point is their emphasis on creativity and

Republic Marketing, a leading digital marketing agency nestled in the heart of Birmingham, UK, prides itself on delivering cutting-edge, technology-driven marketing solutions. These solutions fuel growth for both dynamic start-ups and well-established global brands, providing them with a competitive advantage through innovative methodologies. The agency's extensive portfolio features digital marke

Big On Better. At HeightOn, we do more than design and digital. We Switch On Business. Our hybrid agency integrates brand, marketing, and technology to deliver solutions that maximise brand impact, increase leads, and drive measurable results. Big On Growth We amplify brand visibility, enhance engagement, and turn clicks into conversions. Big On Strategy We don't just create; we solve, strategise

Softhunters delivers innovative IT solutions that drive digital transformation, helping businesses stay ahead through smart automation, streamlined operations, and cutting-edge technology. Our recent projects showcase our commitment to excellence, blending strategy with technology to unlock growth and success in the digital age.

Designmc, a prestigious design agency nestled in the heart of England, specialises in crafting bespoke branding strategies, innovative digital solutions and effective marketing services. Our skilled team of professionals, with a comprehensive 360-degree approach, is dedicated to empowering businesses to realise their brand vision. Uniquely, Designmc champions a collaborative ethos, partnering inti

Based in the renowned Royal Albert Dock in Liverpool, UK, DoLocal is a distinguished digital marketing agency. Its unique selling point is its unwavering dedication to integrity and transparency, constantly keeping clients in the loop whilst creating focused strategies across a wide range of digital marketing services. These include SEO, Local SEO, web design, content marketing, and PPC advertisin

Websdale Ltd, a preeminent digital marketing agency nestled in Essex, is renowned for providing affordable, customised marketing strategies that fuel business expansion and online prominence. Our spectrum of services encompasses website design, ecommerce solutions, and video editing. We, at Websdale Ltd, take immense pride in our cooperative, transparent approach, guaranteeing hassle-free project

Clifton Web Design, a Bristol-based web design firm in the UK, is renowned for its innovative and tailored approach. Offering customised web design, logo creation, branding, and all-inclusive digital solutions, we serve a diverse range of clients - from startups and businesses to charities and independent traders - both locally and globally. Boasting 18 years of industry experience and over 220 un

SEO Impact is a Northern Ireland-based SEO and web design agency helping small and growing businesses improve their visibility, enquiries, and sales. We specialise in SEO audits, technical SEO, local SEO, WordPress websites, WooCommerce websites, Shopify SEO, and conversion-focused website improvements.

Searching for a result-oriented branding + creative consultancy? We are an award-winning, no-nonsense strategic and creative consultancy transforming what makes you unique into rocket fuel for growth. Our expertise crosses strategy, design, digital, print and the physical environment. Everywhere your audience goes and everywhere you need to be.

Odyssey New Media, a prominent, award-winning digital marketing agency based in Birmingham, West Midlands, UK. They boasts over three decades of accumulated expertise. Renowned for its strategic and all-encompassing digital solutions, the agency skilfully maximises digital marketing channels to fuel traffic, boost revenue, and improve marketing ROI. Offering an extensive range of services including: SEO, AIO, PPC, Social Media, Email Marketing, Website Development, App Development and more.

LWDA is a leading digital marketing agency rooted in London. The distinguishing factor for LWDA lies in constructing high-performing, essential websites that are reinforced with unmatched client service, guaranteeing customer fulfilment. Their specialism in customised web design and development, amalgamated with a demonstrated history of executing eye-catching campaigns across diverse media platfo

The SEO Works is a highly respected authority in search marketing, GEO, AI search, web development, and pay-per-click social services for distinguished brands and thriving SMEs in the UK. With a fifteen-year long track record, this agency remains committed to a single objective: boosting businesses' online customer base.

Rubber Duckers is a culture-first creative agency founded in Hampshire, working with clients across the UK and internationally. We shape branding, websites, photography and video around the people behind each business, so the brand sounds like the founders, team and customers who actually know it.

OmniFound is a forward-thinking SEO agency built for the evolving world of digital discovery. Based in Mill Hill, London, we specialise in helping brands grow across traditional search, AI-driven engines, and social platforms. Our services cover traditional SEO, AI SEO (GEO), Local SEO and SEO driven web design

1284 provides industry award-winning B2B and G2B marketing and PR campaigns which champion East Midlands R&D and growth. Our work raises your profile, takes you into new markets, recruits skilled people to your team, and wins you investment.

AI Enabled Marketing for SME's, Aeonix was designed to provide outsized results for SME clients by combining over a decade of experience in marketing with intelligent use of AI.

Afloat Digital is an independent UK marketing agency built on 14 years of hands-on paid media experience. We've supported a wide range of businesses across different industries, from larger established companies to family-run retailers and start-ups. Rated 5.0 on Google. We build a custom plan around every business we work with, so you can treat us as your external marketing department while you focus on running the business.

Digital marketing agency helping growth stage businesses generate more leads, sales and revenue online.

The UK's Most Effective Marketing Agency and Europe's Best Independent Agency. Arke Agency is a full-service marketing agency in Brighton, UK.
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.