902 agencies indexed·Latest entry: 16 October 2026
Web Development in London · 151 agencies

Web Development agencies in London.

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. This page shows every agency on AgencyIndex offering web development in London.

At a glance
  • 151 UK agencies offering web development in London
  • Part of the Web Development service set
  • Indexed in London
  • Reviewed 18 May 2026
Showing 25-48 of 151 web development agencies in LondonAll Web Development agencies
Blackstone-media UK logo
Blackstone-media UK
Network·London·11-50 Employees·Verified

Black Stone Media is a UK-registered digital media agency that specializes in organic, asset-based marketing strategies, search engine optimization (SEO), localized copywriting, and social media growth. The firm is structured as an organic-first agency, meaning they focus on building long-term search authority and community presence rather than managing paid advertising campaigns or ad spend budgets. They act as a strategic and creative engine handling target market research, copywriting, app store optimization, social media strategy, and localized community outreach materials while collaborating with their clients' internal technical teams to deploy the work.

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

Scale your home ecom brand to £150k a month - and beyond. DeqVision is the all-in-one growth partner built for home & garden online stores. Website, paid ads, email marketing, all with the goal of getting you more revenue.

FirstMotion logo
FirstMotion
Independent·London·2-10 Employees·Verified

FirstMotion is a specialist AI search and GEO agency working with ambitious B2B software companies. We make sure ChatGPT, Google AI Overviews, Claude, Perplexity and Copilot recommend you by name when buyers ask for options in your category. We track your actual buyer prompts daily across every major AI platform, then act on what the data shows: content gaps, Reddit and review platform sentiment, entity signals and third-party citations. Senior specialists only, no juniors learning on your account, running as an extension of your team alongside traditional SEO and digital PR. Clients include Board Intelligence, Solve Intelligence, RELAYTO and Papaya.

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

Fourmeta Agency is an award-winning digital agency specializing in Shopify, ecommerce development, UX/UI design, branding, SaaS, AI product development, MVP development, mobile app development, and digital growth for ambitious brands worldwide.

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

Humaine is an AI-augmented marketing and strategy firm for B2B and retail brands. We combine human judgement with AI across strategy, brand, content, production, search and technology to build smarter growth systems and deliver measurable commercial outcomes.

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

Launch Studio is a commercially led creative agency using design to make a difference. We work directly with founders, sales and marketing leads to understand your priorities, applying strategic thinking and creative execution so every investment in brand supports clear commercial goals. Our work spans identity systems, websites and campaigns, through to sales enablement, branded materials, print,

Loose Connections logo
Loose Connections
Independent·Bournemouth·2-10 Employees·Verified

We are a Hampshire-based digital marketing agency with over 25 years of experience building websites and online strategies that drive genuine business growth.

NEXT Digital Agency logo
NEXT Digital Agency
Independent·London·2-10 Employees·Verified

The WordPress & Magento Marketing Agency NEXT Digital Agency is a full-service digital marketing agency specialising in WordPress websites, Magento 2 e-commerce, SEO, and PPC. We combine performance-driven marketing, thoughtful design, and reliable development to build online platforms that attract the right audience, convert better, and support long-term growth.

Passionate Agency – Passionates logo
Passionate Agency – Passionates
Independent·London·11-50 Employees·Verified

Data-driven creative agency for B2B tech and services companies, providing premium design, video, web development, UX research, conversion optimization, automation and AI solutions on demand.

Pod Digital Marketing logo
Pod Digital Marketing
Specialist·Leicester·11-50 Employees·Verified

At Pod Digital, we’re a Digital Marketing Agency that’s passionate about helping businesses grow. We specialise in SEO, AI search optimisation, PPC and paid social, alongside web design, data insight and intelligent automation. We take pride in working alongside you to bring your business goals to life.

Prox Digital Agency London logo
Prox Digital Agency London
Specialist·London·11-50 Employees·Verified

Creative & Digital Growth Agency - London, UK Prox Digital Agency - Pros for growth is a London-based creative and digital growth partner for brands ready to scale with clarity. Founded by CEO Ali Zafar Azad, he leads the agency with a strategist's mindset, helping businesses that need more than just execution: they need direction. With 10+ years of experience and 500+ projects delivered worldwide

RVS Media logo
RVS Media
Specialist·London·51-200 Employees·Verified

Award-Winning Custom Web & Software Development Company in London, helping businesses across the UK build, scale & innovate with custom websites, software, ecommerce, mobile apps, AI integration & digital transformation services.

Sharkfold Ltd logo
Sharkfold Ltd
Independent·London·11-50 Employees·Verified

Marketing Agency in London To help your business grow, Sharkfold digital marketing company makes bold decisions. We provide tailored tactics to reach your target audience and achieve your business goals. Increase brand visibility, leads, and sales with our services. We strive to serve our clients well. We'll learn about your business and goals and utilize our knowledge to help you succeed. SEO, PP

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

Surrey-based developers and creators building web, mobile, AR/VR and AI experiences for clients across Surrey and London - hands-on from first idea to launch, for start-ups through to global brands.

Venice Digital Ltd logo
Venice Digital Ltd
Specialist·London·2-10 Employees·Verified

Venice is an independent London-based web agency specialising in ecommerce and business website design, development and growth on Shopify, Magento, WordPress and Wix.

Viorix digital solutions logo
Viorix digital solutions
Independent·London·2-10 Employees·Verified

Viorix Digital Solutions is a London web design agency helping startups and growing businesses build a stronger online presence. We design and develop bespoke websites and e-commerce stores that are fast, secure, user-friendly and built to perform. From UX and web development to launch, SEO and ongoing support, our experienced London-based team delivers a complete website design service tailored to your goals. Whether you need a new website, a full redesign or a custom online store, we create results-focused sites designed to attract more visitors, generate leads and help your business grow. Looking for a reliable website designer in London? Get in touch today.

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

YellowInk is an SEO and digital marketing agency based in the United Kingdom (UK), dedicated to helping startups and small businesses grow online. We offer tailored services including SEO, content marketing, PPC, email marketing, social media management, social media advertising, website design & development, and LinkedIn marketing. Our focus is on delivering affordable, effective strategies that

Webskitters logo
Webskitters
Independent·London·201-500 Employees

Recognised worldwide, Webskitters LTD is an award-winning company, excelling in web and app design/development, alongside digital marketing. Our specialisation in these areas sets us apart, providing unparalleled services in web design and development. Our proficiency and the innovative integration of cutting-edge technologies cater to a diverse global clientele. Founded in 2010, Webskitters has e

Web Design Agency UK logo
Web Design Agency UK
Independent·London·11-50 Employees

As a top-ranking web design agency, Web Design Agency UK, based in London, delivers bespoke web design and development services to a broad client base across London and throughout the UK. Renowned for its reliability and profound experience, our agency excels in web design, branding, and digital marketing strategies. We provide all-inclusive design and development packages, specifically tailored f

Digital Media Ads logo
Digital Media Ads
Independent·London·11-50 Employees

Digital Media Ads, a premier Digital Marketing Agency, is strategically located in the heart of London. Our unique selling proposition is our dedication to levelling the digital playing field by offering top-tier digital marketing solutions, usually exclusive to large tech firms, to small and medium-sized enterprises. We have a proven history of boosting sales and return on investment (ROI) for ou

Digimax Derma logo
Digimax Derma
Specialist·London·11-50 Employees

Digimax Derma, nestled in the heart of Marylebone, London, is a premier facial aesthetics marketing agency. Specialising in crafting brand identities for aesthetic clinics, their expertise lies in delivering award-winning website design and Google marketing strategies. What distinguishes Digimax Derma from the competition is their extensive experience working with numerous top-tier non-aesthetic b

Online Buzz logo
Online Buzz
Independent·London·2-10 Employees

Online Buzz, a London-based inventive agency, excels in providing a holistic approach to digital marketing. Our expertise lies in creative production, web development, and digital media, ensuring innovative campaigns that engage audiences uniquely. We pride ourselves on our deep comprehension of each client's business, target audience, and objectives, enabling us to tailor campaigns that not only

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

Based in Twickenham, Colorido Studios stands as a leading creative agency, renowned for producing audacious and lasting designs and brand work tailored for the contemporary era. What distinguishes Colorido Studios is their strategic acumen, audacious creativity, and proficiency in delivering vibrant, impactful design that enables brands to shine in a rapidly evolving environment. With a broad rang

Drool Design Studio logo
Drool Design Studio
Independent·London·2-10 Employees

Drool Design Studio, a London-based design agency, epitomises the fusion of Caribbean and British influences. Our specialisms include website design, app development, branding, and cross-platform coding, particularly in Webflow, WordPress, and Shopify. What truly sets our studio apart is our culturally diverse team and bespoke approach to crafting immersive digital experiences. Our ethos centres a

Editor's note

AgencyIndex tracks 151 web development agencies in London. The list above is filtered to that intersection and ordered with verified and featured listings first.

For the wider editor's view on web development agencies in the UK, see the web development service brief. For context on London's marketing cluster, see the London location brief. The pricing, timeline and red-flag notes below apply to web development as a discipline; they do not change materially in London.

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.

The 5 questions our editors get most often, answered honestly. These apply to web development as a discipline regardless of city.

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.