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WordPress Design Agency

WordPress websites crafted to convert

Yellowball crafts bespoke, high-performance WordPress websites that not only look stunning but drive results. Ready to roll out a website that works as hard as you do?

Get a WordPress quote

London’s Leading
WordPress Agency

We are a London WordPress web design agency that combines deep expertise, sharp creative thinking, and a results-first approach to deliver sites that perform. With the agility of a boutique team and the experience to handle complex builds, we stay focused on what matters most – your success.

250+

Websites Delivered

100+

5-Star Reviews

92%

Client Retention

Creative firepower. Strategic focus.

Our UK team of designers, developers, SEO and paid media specialists brings sharp thinking, speed, and full commitment to every project – from first brief to final delivery.

London-based WordPress agency working worldwide

We’re a hand-picked team, bringing together the brightest designers, engineers and digital strategist from across the creative and tech ecosystem, with the commercial thinking you’d expect from a leading web design agency in London.

Best-in-class Tech Stack

We leverage cutting-edge AI tools with industry favourites like Asana, SEMrush, GA4, Looker Studio, Figma and Adobe to design, build, and optimise digital experiences that perform at the highest level.

We’re certified by Google

As a certified Google Partner, we apply the latest digital trends to maximise performance and deliver results that move the needle – from first click to final conversion.

Flexible Investment Levels

From startups to established brands, we’ve got options to suit your budget. Most of our web projects range from £25k to £150k, but we also offer tailored solutions starting from just £7,500.

Over 250+ WordPress Websites Delivered

We’ve designed and launched over 250 WordPress sites across every imaginable industry, helping B2B and B2C brands achieve their online goals with impactful, results-driven designs.

New & featured web design work

Ready to start your web design project?

We’re proudly rated 5 stars by 100+ happy clients on with an average rating of 4.9

Our process

Your WordPress development journey

A structured, seamless process designed for impact.

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Discovery, Scoping & Design

We kick things off with strategy and style. Through a digital questionnaire, discovery workshop, and visual moodboarding, we align creative direction with your goals. Then we design high-fidelity, interactive prototypes in Figma – so you can experience the look, feel and flow before we build.

  • Digital questionnaire and kick-off workshop
  • UX strategy and moodboards agreed
  • Homepage concept designed in Figma, with interactive prototyping
  • Two rounds of revisions before design system rollout
  • Template designs created and reviewed in Figma

Development, Engineering & Testing

Our specialist web development team bring your vision to life with a custom WordPress build that’s fast, scalable and secure. Every template is tested across browsers and devices for total consistency.

  • Fully bespoke WordPress CMS
  • Built for speed, SEO and future scalability
  • Extensive browser and device testing
  • Site populated with final content and assets

Live Demo & Training

See your site in action on a password-protected staging link. We provide CMS training so your team can manage everything with ease.

  • Website shared for internal review
  • Bespoke Loom training videos provided for your team

SEO Migration & Final Checks

We safeguard your rankings with a meticulous SEO migration and technical implementation from our in-house SEO team – no broken links, no SEO drop-offs.

  • SEO migration plan with full URL mapping
  • Redirects and technical SEO best practice
  • Google Search Console submissions and index checks

Launch & Ongoing Support

Once approved, we push your site live and complete our final performance checks. You’ll also benefit from 30 days of launch support – and the option to roll into ongoing care.

  • Website deployed to your live servers
  • Speed, UX and performance finalised
  • 30 days of bug support post-launch

Meet the people
behind the pixels

Designers, developers, and strategists crafting seamless, high-performance WordPress websites that work as hard as you do.

FAQs

Ready to start your WordPress Project?

Get a WordPress quote

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©Yellowball

WordPress Web Design & Development Agency London | Bespoke Digital Solutions

Yellowball is a leading WordPress web design and development agency in London, specialising in creating bespoke, high-performance websites that deliver results. Whether you’re a growing business or an established brand, our tailored WordPress solutions captivate audiences, drive measurable outcomes, and are built to grow with your business for long-term success.

Why Choose Yellowball for WordPress?

At Yellowball, we combine creative innovation with technical expertise to craft WordPress websites that stand out. Our websites are optimised for speed, scalability, and SEO, ensuring they support your growth and deliver tangible results. From lead generation and sales enablement to audience engagement, every website we create empowers businesses to achieve their objectives.

Seamless WordPress Integrations for Maximum Efficiency

Our WordPress development services include seamless integrations with the tools that matter most to your business. Whether you use HubSpot, Salesforce, MailChimp, or custom APIs, we ensure your website works effortlessly within your existing ecosystem. From advanced CRM systems to marketing automation platforms, Yellowball’s solutions enhance your efficiency and improve user experiences.

WordPress Website Design for Global Businesses

Yellowball develops WordPress websites designed to scale globally. With multilingual functionality, region-specific SEO strategies, and integrations for international operations, we make it easy for businesses to reach and engage new markets. Our solutions help you manage multiple languages, currencies, and region-specific content effortlessly, enabling global growth without complexity.

A Proven Process for WordPress Excellence

Our process begins with understanding your brand, goals, and target audience. Through detailed discovery, strategy, and custom design, we deliver stunning WordPress websites tailored to your needs. Every build undergoes rigorous testing to ensure flawless performance across devices. Post-launch, we provide comprehensive support to keep your website secure, fast, and ready for the future.

Post-Launch WordPress Support That Goes Further

At Yellowball, we’re committed to the long-term success of your website. Our tailored WordPress maintenance and support packages ensure your site remains optimised, secure, and up-to-date. From regular updates and performance enhancements to adding new features as your business evolves, we keep your WordPress site competitive and ready to scale.

Why Businesses Trust Yellowball

With 150+ WordPress projects delivered and 90+ five-star reviews, Yellowball is the go-to agency for businesses across industries including finance, retail, education, and technology. Our commitment to innovation, collaboration, and measurable results makes us a trusted partner for brands looking to elevate their online presence.

Ready to Elevate Your WordPress Website?

Looking for a WordPress agency in London that delivers measurable results? Partner with Yellowball to create a bespoke WordPress website tailored to your business needs. Contact us today to start your journey.

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