Web Development agencies for B2B.
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 for B2B.
- 66 UK agencies offering web development for B2B
- Part of the Web Development service set
- Indexed for B2B
- Reviewed 18 May 2026

We’re a professional marketing agency built for ambitious businesses across the UK, based in the creative heart of Liverpool’s Baltic Triangle. Whether you’re an e-commerce brand, a SaaS company, or a B2B business looking to dominate search, our team of SEO, PPC, web, design and social media experts turn organic traffic into real, measurable growth.

Located in the heart of Manchester, BGN Agency is a leading multi-disciplinary design agency. Known for our holistic approach, we integrate our team of strategists, designers, and developers directly into your business processes, enabling us to craft innovative and effective brand solutions.

Appdrawn, a distinguished custom software development agency located in Watford, Hertfordshire, specialises in creating tailored solutions that meet the distinct business requirements of their clientele. Known for its innovative and client-focused products, this brand is a standout in its sector. Expertly balancing modernisation of legacy software, mobile app creation, and database streamlining.

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.

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.

Leading SEO and Digital Marketing Agency in United Kingdom.

Talk to an SEO agency, and they'll fix your SEO. A brand agency will fix your branding. But what if you don't know the problem? What if the fires you're putting out are a result of a much larger, important issue that you're not aware of? That's where we come in. We're the fresh pair of eyes who won't stop asking "why?" until we find the root cause.

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.

Full stack developers of both websites and software (CRM's etc) with over two decades of design, UI & UX. So beauty and performance are a guarantee.

Cross Origin is a branding and web design agency in Haywards Heath, West Sussex. We help ambitious businesses and charities whose organisation has moved on but whose brand hasn't kept pace. Our work covers brand strategy, visual identity, bespoke website design and development, and digital marketing, and the same team takes each project from the first brand conversation to the finished website. That means nothing gets lost between the thinking and the build.

DigitSea is a full-service digital marketing agency based in Glasgow, UK, offering SEO, Google Ads, social media marketing, web development, and more. It helps businesses of all sizes increase online visibility, improve search rankings, and achieve measurable, long-term growth.

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.

FlyPost Marketing helps small and growing businesses turn digital marketing into measurable growth. We provide SEO and AI search optimisation, PPC, local SEO, social media marketing, and practical WordPress and Shopify support. Our approach is straightforward: focus on the work that can generate enquiries, sales and long-term visibility, explain what we are doing clearly, and avoid wasting budget on impressive-looking metrics that do not produce real business results.

Fresco Creative offer and deliver cost-effective SEO, web design and marketing services with a smile means more than just good value. It’s about working with a team that’s professional, approachable, and committed to your success. When great results come with great service, everyone wins. With Fresco Creative we strive to come along on your journey with a long-term and positive outlook.

We're a transformation partner for mid-market B2B service brands who are ready to evolve and lead. We treat brand as a commercial act that should drive revenue.

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 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,

Lionheart Marketing is a founder led, boutique growth agency based in Redcar, North East England, helping ambitious brands across the UK grow through Shopify, SEO, Paid Media, CRO, and CRM. We work with businesses of all sizes, with clients spanning from London, Manchester, Liverpool, Newcastle, Middlesbrough, and beyond. Our focus is simple: helping brands increase visibility, generate more leads and sales, and maximise the return from their marketing investment. Common challenges we help clients solve include: Poor Google rankings and limited online visibility Low website conversion rates Wasted paid media spend and poor ROAS Underperforming eCommerce websites Customer retention and CRM challenges Shopify development, migrations, and ongoing support Unlike traditional agencies, we take a hands on, strategic approach, working closely with clients to understand their commercial objectives and build growth strategies that deliver measurable results. Whether you're looking to improve your search presence, scale your Shopify store, or generate more revenue from your existing traffic, we're here to help.

We are a Hampshire-based digital marketing agency with over 25 years of experience building websites and online strategies that drive genuine business growth.
AgencyIndex tracks 66 web development agencies for B2B. 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 B2B as a sector, see the B2B industry brief. The pricing, timeline and red-flag notes below apply to web development as a discipline; they do not change materially for B2B.
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 in other sectors.
Other services for B2B.
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 across every industry.