842 agencies indexed·Latest entry: 17 July 2026
Web Development for Energy · 58 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
  • 58 UK agencies offering web development for Energy
  • Part of the Web Development service set
  • Indexed for Energy
  • Reviewed 18 May 2026
Showing 25-48 of 58 web development agencies for EnergyAll Web Development agencies
Effra Digital logo
Effra Digital
Independent·London·2-10 Employees

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

Applied Digital logo
Applied Digital
Independent·Leeds·2-10 Employees

Established in 1999, Applied is a leading brand, marketing, and website development firm based in Huddersfield, West Yorkshire. As a comprehensive service agency, we excel in augmenting the competitive edge of progressive businesses through a broad scope of services, encompassing brand building, innovative marketing strategies, and bespoke web development. Our proficiency is demonstrated in a vari

Poppins logo
Poppins
Independent·London·11-50 Employees

WE ARE POPPINS, a dynamic creative agency nestled in the heart of London, stands out through its all-encompassing approach. We specialise in delivering a broad spectrum of services, encompassing digital, identity, brand, marketing, and experiential solutions. Our unique selling point lies in our ability to craft immersive community experiences, setting us apart in the competitive landscape. At WE

Discover Digital logo
Discover Digital
Independent·Reading·11-50 Employees

Discover Digital, located in Reading, is a renowned agency focusing on digital transformation. This agency is skilled in crafting all-inclusive digital solutions that assist businesses from the conception of their initial vision to tangible, real-world impacts. Distinguished by its commitment to tailor-made, customer-focused experiences, Discover Digital excels in enhancing each client's individua

Leapfrog Marketing logo
Leapfrog Marketing
Independent·Leicester·2-10 Employees

Leapfrog Marketing Ltd, a distinguished B2B marketing and PR firm located in Stapleford, Nottinghamshire, excels in delivering a broad spectrum of services. Our bespoke offerings, ranging from digital marketing and public relations to graphic design and video production, are designed to fortify brand credibility, amplify visibility, and stimulate lead generation for businesses. Renowned for our ta

Brandwidth logo
Brandwidth
Independent·London·51-200 Employees

Brandwidth, a leading digital agency, operates from two major hubs, London and New York. Expert in catapulting the digital customer journey for aspirational brands, Brandwidth offers an all-encompassing array of services. These comprise strategic consulting, experience design, technological engineering, data-driven strategies, dynamic content creation, and fostering digital skills. What makes Bran

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

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

Tangent logo
Tangent
Independent·London·51-200 Employees

At Tangent, our expertise lies in crafting strategies and refining final designs that enhance life experiences. Our commitment to digital sustainability is as significant as our dedication to aiding clients in achieving their business aspirations. Our diverse team of 90 global professionals, based in locations including Newcastle, London, Spain, South Africa, and Pakistan, provides us with a rich

TAC Design logo
TAC Design
Independent·Newcastle·2-10 Employees

Located in Newcastle upon Tyne, TAC Design is an esteemed web design and branding agency specialising in delivering strategic and purpose-driven brand and website designs. Our unique approach involves gaining a deep understanding of our clients and their target audiences, enabling us to create meaningful designs that resonate. Our emphasis on consistency and meticulous attention to detail sets us

Paddle Creative logo
Paddle Creative
Independent·Exeter·2-10 Employees

Are you on a quest to propel your enterprise to unprecedented levels? Paddle Creative is your reliable partner, committed to fostering your growth through meticulously crafted SEO, bespoke digital marketing tactics, and tailor-made web design services. A multitude of business proprietors often grapple with time constraints or lack the essential proficiency to effectively market their ventures. Pad

Justified Studio logo
Justified Studio
Independent·London·11-50 Employees

Justified Studio, a comprehensive creative agency nestled in the heart of London, prides itself on fostering partnerships with forward-thinking, purpose-driven organisations. Their specialty lies in fuelling dynamic growth by seamlessly blending brand strategy, visual identity, and digital product design services. The distinctive edge of Justified Studio is their unwavering commitment to crafting

Cheshire Online logo
Cheshire Online
Independent·Manchester·2-10 Employees

Cheshire Online, a Congleton-based digital marketing agency in Cheshire, distinguishes itself through its unwavering dedication to the exploration of cutting-edge digital technologies. The firm continually invests in researching fresh strategies, aiming to deliver innovative digital solutions that furnish clients with a distinct competitive advantage. More than just a provider of web design servic

Athlon logo
Athlon
Independent·London·2-10 Employees

As a global brand and product design studio, Athlon is a key player in the international market. Working closely with enterprises driven by purpose, it transforms daring ideas into tangible realities. Athlon fundamentally champions 'Brave Ideas', acknowledging the transformational power of design and its potential to improve lives through innovative and audacious thinking. In Athlon's perspectiv

Diony logo
Diony
Independent·Leeds·11-50 Employees

Diony, based in Hull, is a fully-fledged performance marketing agency renowned for its search-first marketing strategy. Our services span across SEO, PPC, social media, eCommerce, and imaginative solutions, all designed to propel brand expansion. Employing a unique blend of expert talent, innovative technology, and a vibrant culture, Diony is dedicated to crafting and executing influential concept

Rocketmakers logo
Rocketmakers
Independent·Bath·11-50 Employees

At our distinguished software design and development firm, we strive to create award-winning, innovative software solutions tailored to your needs. Our primary objective involves assisting businesses with the creation of new technology solutions and facilitating their digital transformation to cater to ever-evolving business landscapes and market demands. We're experts in empowering large corpor

Novus Digital logo
Novus Digital
Independent·Northampton·2-10 Employees

Novus, an ROI-driven SEO agency situated in Northampton, is distinguished by its unwavering dedication to transparency and measurable outcomes. Prioritising return on investment and commercially viable strategies, Novus generates leads and sales without resorting to the use of technical jargon. Our comprehensive approach encompasses technical SEO, creative content production, strategic link buildi

Ascensor logo
Ascensor
Independent·Leeds·11-50 Employees

Since 2007, Ascensor has been at the forefront of website development and promotion, relishing in collaborations with businesses across the spectrum - from burgeoning start-ups to multi-million turnover global firms, and every tier in between. Ascensor thrives in the dynamic digital landscape, playing a crucial role in driving client success as the industry perpetually evolves. Creativity forms

Cude Design logo
Cude Design
Independent·London·2-10 Employees

Cude Design, a Surrey-based strategic and creative web design agency in the UK, distinguishes itself through its UX-focused web design and development methodology. Their unique approach guarantees enhanced user conversion and engagement for clients across diverse sectors. Leveraging their expertise from launching and successfully exiting their own eCommerce business, Cude Design crafts efficient e

Six logo
Six
Independent·Bristol·11-50 Employees

We propel business expansion by zeroing in on its source. Be it your clients, team members, or associates, we acknowledge that your primary audience is the linchpin of your prosperity. Our speciality lies in our capacity to decipher their thought processes, emotions, and behaviours. We assist you in engaging with them on a more personalised, human level.

Hedgehog logo
Hedgehog
Independent·Newcastle·51-200 Employees

Hedgehog, a leading global technology consultancy based in the UK, specialises in human-centric design. Our team of professionals, proficient in user experience research, UI/UX design, engineering, cloud technology, and data science, partners with global firms to deliver bespoke app development and digital transformation strategies. Celebrating over a decade of expertise in digital product innovat

SEO Leaders logo
SEO Leaders
Specialist·Sheffield·2-10 Employees

As a leading SEO company, SEO Leaders is a dynamic, results-driven agency committed to enhancing lead generation and profitability for its clientele. Our primary focus is on prioritising business objectives in our SEO approach, assuring the success of all clients, whether they require an entire website creation with sustained SEO backing or an SEO blueprint for an existing site. Our speciality lie

NU Creative logo
NU Creative
Independent·London·11-50 Employees

NU Creative, a London-based strategic branding and design agency, is renowned for its all-encompassing approach. They skilfully blend strategy, creativity, and technology to construct bespoke brand narratives that truly engage the intended audience. NU Creative specialises in providing enduring digital solutions and pioneering marketing campaigns, guaranteeing each brand they collaborate with is v

Equator logo
Equator
Network·Glasgow·51-200 Employees

Equator, a prominent digital transformation consultancy headquartered in Glasgow, prides itself on two decades of expertise. Equator is renowned for its strategic partnerships with PE-backed enterprises and ambitious high-growth businesses, not only within Glasgow and London, but also across the UK. Our comprehensive portfolio spans from strategic planning to full digital transformation. What dist

Smart Working logo
Smart Working
Independent·London·201-500 Employees

Smart Working, a distinguished tech talent agency situated in the UK, excels in pairing businesses with superior remote software developers globally. Our unique selling point is our stringent selection process, where we employ AI and technical assessments to evaluate a pool of 35,000 engineers each month. This ensures that only the most competent candidates are aligned with our clients. Boasting a

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Editor's note

AgencyIndex tracks 58 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.