902 agencies indexed·Latest entry: 16 October 2026
Web Development for Energy · 63 agencies

Web Development agencies for Energy.

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 Energy.

At a glance
  • 63 UK agencies offering web development for Energy
  • Part of the Web Development service set
  • Indexed for Energy
  • Reviewed 18 May 2026
Showing 1-24 of 63 web development agencies for EnergyAll Web Development agencies
STRINGERSEO Limited logo
STRINGERSEO Limited
Independent·Brighton·2-10 Employees·Verified

We help businesses grow online without the digital jargon. Working alongside business owners and their teams, we build websites and digital experiences that actually work for real users. Our focus? Creating SEO and content approaches that connect UK brands and small to medium businesses with the people they're trying to reach. The online world is crowded and complex. We cut through that noise with

Coda logo
Coda
Independent·Bournemouth·11-50 Employees·Verified

Coda is a global marketing communications agency and consultancy serving the industrial B2B sector. With unrivalled heritage and sector experience, they offer a sought-after combination of deep scientific and technical sector knowledge, digital expertise and sharp creativity. They deliver the branding and pipeline growth that powers some of the worlds best industrial brands.

Herron logo
Herron
Independent·Sheffield·11-50 Employees·Verified

Herron is a Sheffield-based creative agency in the United Kingdom, renowned for empowering brands through genuine brand narratives, standout brand identities, compelling campaigns, and immersive digital experiences. Our unique methodology at Herron involves an in-depth partnership with clients, crafting bespoke strategies and solutions that engage target audiences, resulting in heightened interact

We Are Jungle logo
We Are Jungle
Independent·Portsmouth·2-10 Employees·Verified

We Are Jungle, a celebrated digital marketing and e-commerce agency in Portsmouth, UK, is distinguished for its unrivalled proficiency in bespoke website design and development. Our comprehensive e-commerce solutions, dependable hosting, and robust support services revolutionise businesses' digital footprint. What distinguishes our brand is our unwavering dedication to providing truthful, customis

Rouge Media logo
Rouge Media
Independent·Reading·11-50 Employees·Verified

Rouge Media is an award-winning digital design agency established in 2003, specialising in creating high-performing websites and authentic brands for B2B and non-profit organisations. Based in Reading, UK, their in-house team of designers, developers, strategists, and advisors turns websites into powerful business tools — integrating databases, CRM systems, APIs, and data visualisation.

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

Based in the heart of London, Kitty is a leading web design and development agency specialising in crafting technology-driven solutions. Our unique approach prioritises both performance enhancement and growth acceleration, underlining user-centric experiences that are customised to meet brand and customer requirements.

Launch Digital logo
Launch Digital
Independent·Glasgow·2-10 Employees·Verified

Launch, a dynamic marketing agency, operates from strategic locations in Glasgow, London, and Ayrshire. What distinguishes Launch is its distinctive blend of imaginative creativity and digital expertise, generating progressive communication strategies whilst proudly maintaining its status as a family-owned enterprise offering a bespoke touch. Providing an extensive array of services, Launch specia

Create Inc. logo
Create Inc.
Independent·Nottingham·2-10 Employees·Verified

We're a strategic brand & communications consultancy, specialising in brand, digital and communication services for AQSE, AIM and investor-seeking businesses, helping them lead with clarity as they grow and evolve.

Fishtank Agency logo
Fishtank Agency
Independent·Leeds·11-50 Employees·Verified

Fishtank, a digital and creative agency in Yorkshire, UK, excels in metamorphosing corporate communication via compelling storytelling. By presenting groundbreaking solutions, they routinely secure enduring ROI for their clientele. Fishtank's distinctive edge lies in their dedication to strategic thought, use of data for business problem-solving, and proficiency in brand strategy, creative leaders

Reason8 logo
Reason8
Independent·Leicester·2-10 Employees·Verified

Reason8, a devoted family-led enterprise based in the UK, partners with its clientele to craft bespoke websites designed to cater to their specific requirements. The support doesn't halt there; Reason8 further broadens its suite of services to those ambitious clients who aim to bolster their online footprint. Leveraging SEO and website management techniques, we assist businesses in ascending to un

Q-Online logo
Q-Online
Independent·London·2-10 Employees·Verified

Elevate Your Business with Top-Notch Digital Marketing Services from a Premier London Agency Q-Online shines as a performance-driven digital marketing firm rooted in Croydon, known for its unparalleled proficiency and experience. This agency champions professionalism, approachability, and sheer transparency in its dealings with clients. If you're in pursuit of tangible, influential, and long-last

I-COM logo
I-COM
Independent·Manchester·11-50 Employees·Verified

Situated in the bustling centre of Manchester, I-COM is a leading full-service digital marketing agency. Renowned as one of the biggest independent, employee-owned agencies in the area, I-COM sets itself apart by delivering customised and wide-ranging digital marketing strategies in various industries such as B2C and B2B e-commerce, legal, recruitment, among others. Our unique approach amalgamates

Impact Media logo
Impact Media
Independent·Essex·2-10 Employees·Verified

Impact Media® is a leading WordPress agency situated in the UK, delivering tailor-made web design, development, and support specifically for corporate clients. Drawing on more than two decades of industry expertise and a steadfast dedication to WordPress, the agency develops bespoke, user-centric websites that prioritise creative freedom, robust security, SEO optimisation, and scalability.

Assisted logo
Assisted
Independent·Leicester·11-50 Employees·Verified

An award-winning digital marketing agency based in Leicester, we have received multiple accolades and operate branch offices in Leamington Spa and Hemel Hempstead. We pride ourselves on our bespoke, data-informed, and ROI-centric strategies that span across SEO, PPC, social media management, content, digital PR and website development.

HeightOn logo
HeightOn
Independent·Brighton·2-10 Employees·Verified

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

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

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

Avapond logo
Avapond
Independent·Bristol·2-10 Employees·Verified

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.

Cross Origin logo
Cross Origin
Independent·Brighton·2-10 Employees·Verified

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.

Leads Brain LTD logo
Leads Brain LTD
Specialist·Manchester·51-200 Employees·Verified

Boost your local visibility with Google Business Profile optimization, SEO for small businesses, and responsive website development. We help businesses grow online with affordable SEO services, faster websites, and better Google rankings that bring in more local traffic and real leads.

Leopard Co logo
Leopard Co
Independent·Birmingham·11-50 Employees·Verified

We are Leopard Co! A new agency with a 20-year history created through two award-winning marketing communications consultancies - Big Cat and spottydog communications - joining forces. Now together, we offer clients a full service marketing agency with specialist skills across the marketing communications mix.

Rollo logo
Rollo
Independent·Portsmouth·11-50 Employees·Verified

Rollo is an independent marketing agency based in Portsmouth. We work with scale-ups, established brands, and partners who want senior thinking without the overhead that usually comes with it.

Switch - Creative Agency logo
Switch - Creative Agency
Independent·Birmingham·11-50 Employees·Verified

We're an established expert communications business that improves commercial capability through design, brand and digital solutions. For over 40 years we’ve dedicated ourselves to helping our clients communicate effectively, so that they position themselves with clarity, engage more closely with their audiences, sell more of what they do and successfully grow or transform their businesses.

New Media Ghost logo
New Media Ghost
Independent·Cardiff·2-10 Employees

New Media Ghost, a customised digital marketing agency based in Cardiff, excels in curating robust online presence for both businesses and individuals. As specialists in crafting and engaging with digital audiences, we distinguish ourselves through our unwavering commitment to discretion and tailoring unique strategies. We guarantee your content and social media resonate with your brand's voice, s

Inc Studio logo
Inc Studio
Independent·Liverpool·2-10 Employees

Inc Studio transcends simple business collaboration, focusing on forming strategic alliances. Leveraging its broad expertise across various sectors, Inc Studio is committed to providing a comprehensive, outcome-focused service. By joining forces with key players in the B2B realm, Inc Studio seeks to transform each sector with groundbreaking strategies customised to each business's unique goals. In

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Editor's note

AgencyIndex tracks 63 web development agencies for Energy. 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 Energy as a sector, see the Energy industry brief. The pricing, timeline and red-flag notes below apply to web development as a discipline; they do not change materially for Energy.

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 across every industry.

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.