Prox builds custom websites, e-commerce stores and web apps for startups, SMEs and enterprises. As a web development agency in London, we own the backend, the platform and the performance, turning designs into fast, secure, scalable websites.
120+ Conversion-Focused Websites Built for Startups, SMEs & Enterprises
We fix slow platforms, CMS setups, insecure code and websites that can't handle a traffic spike or a new feature without a rebuild. As a London web development agency, we build on modern, well-documented architecture so your website stays fast, stays secure and stays easy to extend as the business grows.
As a professional web development company London teams return to project after project, we work across Next.js, WordPress and Shopify, choosing the stack that fits the business rather than forcing every client onto the same platform. Every build ships with clean code, tested performance and a CMS your team can actually use. This is website development in London done to be maintained for years.
As a London web development agency, we build on modern, well-documented architecture so your website stays fast, stays secure and stays easy to extend as the business grows.
Bespoke web development built around how your business actually works, instead of forcing your processes into a template's limitations.
As a website development agency, we build custom websites from clean, well-structured code, scoped around your actual workflows, integrations and growth plans rather than a template's constraints. Every build is tested for performance, security and cross-device reliability before launch. This is web development services London clients choose when a generic platform has already let them down once.
We build online stores engineered to sell along with fast product pages, frictionless checkout, and a backend your team can run without a developer on call.
Our web development agency London team develops on Shopify and custom stacks alike, engineering product pages, filtering, payment integration and checkout for speed and clarity rather than default settings. Inventory, pricing and content stay editable without touching code. As a London web development agency, we built every project to handle real order volume.
When a website needs to do more than inform, such as logins, dashboards, calculators, or portals, we build the interactive functionality that makes it work.
As a website development company London businesses bring their more ambitious builds to, we develop web applications with user authentication, dashboards, data-driven interfaces and third-party integrations, built on frameworks chosen for the specific job rather than convenience. Every app is built to scale with usage, not just to demo well. This is web development London delivers for products.
We build content management systems your team can actually use such as editing pages, adding blog posts and updating content without waiting on a developer.
A CMS that only developers can use isn't doing its job. We develop on WordPress and headless CMS platforms alike, structuring content types, templates and permissions around who will actually be editing the site day to day. Every website development agency in london project we deliver includes training, so your marketing team can publish confidently from week one. Clean, well-documented CMS builds age better and cost less to maintain.
A website is never really finished. We keep it secure, updated and running smoothly long after the launch celebration is over.
Our website development company London support plans cover security patches, uptime monitoring, performance checks and content updates, so problems get caught before customers notice them. Every new build includes 30 days of free support as standard. This is web development agency work that treats launch as the start.
We build the unseen infrastructure, such as databases, servers, and APIs, engineered to remain fast and secure as your traffic and data grow.
As a web development company London clients trust with their infrastructure, we engineer databases, server architecture and API integrations for reliability under load. Security is built in from the first commit, this is website development company London standard when downtime and data loss simply aren't acceptable outcomes for the business.
Campaigns fail on slow, clunky landing pages. We build fast, lightweight pages engineered to convert paid and email traffic.
We build lightweight, fast-loading landing pages optimised for the specific campaign, with tracking and form integrations wired in from day one. Working alongside marketing teams, our web development services in London ship pages in days without sacrificing performance. Every page is built to be tested, measured and iterated.
Moving platforms, hosts or CMS shouldn't mean losing rankings, data or uptime. We migrate websites carefully with our technical SEO team, leaving nothing to chance.
Migrations go wrong when they're rushed. As a website development agency in London, we map every page, redirect and integration before moving anything, preserving SEO equity, content and functionality throughout the switch. Whether migrating platforms, consolidating hosting or rebuilding architecture, we test in staging and monitor post-launch to protect your existing foundation.
CUSTOM WEBSITE DEVELOPMENT
FRAMEWORK: As a website development agency, we build custom websites from clean, well-structured code, scoped around your actual workflows, integrations and growth plans rather than a template's constraints. Every build is tested for performance, security and cross-device reliability before launch. This is web development services London clients choose when a generic platform has already let them down once.
E-COMMERCE DEVELOPMENT
FRAMEWORK: Our web development agency London team develops on Shopify and custom stacks alike, engineering product pages, filtering, payment integration and checkout for speed and clarity rather than default settings. Inventory, pricing and content stay editable without touching code. As a London web development agency, we built every project to handle real order volume.
WEB APP DEVELOPMENT
FRAMEWORK: As a website development company London businesses bring their more ambitious builds to, we develop web applications with user authentication, dashboards, data-driven interfaces and third-party integrations, built on frameworks chosen for the specific job rather than convenience. Every app is built to scale with usage, not just to demo well. This is web development London delivers for products.
CMS DEVELOPMENT
FRAMEWORK: A CMS that only developers can use isn't doing its job. We develop on WordPress and headless CMS platforms alike, structuring content types, templates and permissions around who will actually be editing the site day to day. Every website development agency in london project we deliver includes training, so your marketing team can publish confidently from week one. Clean, well-documented CMS builds age better and cost less to maintain.
WEBSITE SUPPORT & MAINTENANCE
FRAMEWORK: Our website development company London support plans cover security patches, uptime monitoring, performance checks and content updates, so problems get caught before customers notice them. Every new build includes 30 days of free support as standard. This is web development agency work that treats launch as the start.
BACKEND DEVELOPMENT
FRAMEWORK: As a web development company London clients trust with their infrastructure, we engineer databases, server architecture and API integrations for reliability under load. Security is built in from the first commit, this is website development company London standard when downtime and data loss simply aren't acceptable outcomes for the business.
LANDING PAGE DEVELOPMENT
FRAMEWORK: We build lightweight, fast-loading landing pages optimised for the specific campaign, with tracking and form integrations wired in from day one. Working alongside marketing teams, our web development services in London ship pages in days without sacrificing performance. Every page is built to be tested, measured and iterated.
WEBSITE MIGRATION
FRAMEWORK: Migrations go wrong when they're rushed. As a website development agency in London, we map every page, redirect and integration before moving anything, preserving SEO equity, content and functionality throughout the switch. Whether migrating platforms, consolidating hosting or rebuilding architecture, we test in staging and monitor post-launch to protect your existing foundation.
Websites Engineered to Perform Under Real Conditions
We combine architecture, clean code and rigorous testing to develop websites that stay fast, stay secure and keep working as traffic, content and requirements grow.
We combine architecture, clean code and rigorous testing to develop websites that stay fast, stay secure and keep working as traffic, content and requirements grow.
We let our track record do the talking. Discover how Prox Digital
Agency drives transformative growth for global brands.
Common Website Performance Challenges
Most London business websites load slowly, which costs conversions and Google rankings.
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A huge number of websites still don't work properly on mobile, losing over 60% of potential customers.
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Businesses build a cheap website that can't handle growth, traffic spikes, or new features later.
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Without proper security and GDPR compliance, London businesses are at high risk of hacking and legal issues.
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Messy code and a weak CMS setup make it impossible for owners to update content without a developer.
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The website looks okay but doesn't guide visitors to take action, so you see no leads, sales or clients anymore.
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Slow & Poorly Performing
Most London business websites load slowly, which costs conversions and Google rankings.
Not Mobile-Responsive
A huge number of websites still don't work properly on mobile, losing over 60% of potential customers.
Lack of Scalability
Businesses build a cheap website that can't handle growth, traffic spikes, or new features later.
Security & Data Protection
Without proper security and GDPR compliance, London businesses are at high risk of hacking and legal issues.
Poor Backend Structure
Messy code and a weak CMS setup make it impossible for owners to update content without a developer.
Low Conversion & Bad UX
The website looks okay but doesn't guide visitors to take action, so you see no leads, sales or clients anymore.
Why Better Development
Builds Better Businesses
Most agencies sell deliverables. We engineer outcomes. Every engagement runs through a financial lens — because design that doesn't convert is just decoration.
Built to Convert & Scale
Every page engineered to turn traffic into customers. A foundation that grows with the business without rebuilds.
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Shipped Over 120+ Web Projects
Our work carries the success stories of global brands, and we've already shipped this many projects worldwide.
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30 Days Free Support After Launch
Any bug, any issue, any error, we fix it free for 30 days, backed by a clear, detailed process for your project.
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Go Live Fast with Modern Tech
Go live in just 2–3 weeks with a tech stack including Next.js, WordPress or Shopify that won't be outdated next year.
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Every page engineered to turn traffic into customers. A foundation that grows with the business without rebuilds.
Our work carries the success stories of global brands, and we've already shipped this many projects worldwide.
Any bug, any issue, any error, we fix it free for 30 days, backed by a clear, detailed process for your project.
Go live in just 2–3 weeks with a tech stack including Next.js, WordPress or Shopify that won't be outdated next year.
Results That Go
Beyond the Launch
Hard evidence, raw performance,
category-defining scale, undeniable authority,
and the unapologetic impact of
work that actually moves markets.
Websites Designed & Developed
From startups to established businesses, we’ve built high-performing websites designed to support measurable growth.
Global Projects Shipped
Our development work spans startups to established international brands, delivered on time and built to last.
Faster Average Load Times
Clean architecture and performance engineering mean sites launch fast and stay fast as traffic grows.
Project Delivery Rate
Clear scoping, tested code and structured processes mean projects launch on time, as specified.
Hard evidence, raw performance,
category-defining scale, undeniable authority,
and the unapologetic impact of
work that actually moves markets.
From startups to established businesses, we’ve built high-performing websites designed to support measurable growth.
Our development work spans startups to established international brands, delivered on time and built to last.
Clean architecture and performance engineering mean sites launch fast and stay fast as traffic grows.
Clear scoping, tested code and structured processes mean projects launch on time, as specified.
Proof Beyond the Portfolio
I have engaged several agencies in India; they were proficient with templates and development, yet lacked the innovative ideas we sought upon discovering Prox Digital Agency, their vibrant and imaginative work convinced me that they are the ideal partner for our vision
Prox Design has delivered exceptional results, profoundly transforming both our brand identity and lead‑generation pipeline. The entire team demonstrated professionalism, responsiveness, and a genuine commitment to our success.
During the initial call with Prox, I felt an immediate confidence that eliminated the need to consider any other agency. Their professionalism and innovative redesign of our website delivered exceptional results. I look forward to partnering with them for our digital marketing initiatives
Prox Design spearheads our marketing strategy, significantly enhancing our brand presence. Their efforts have generated higher‑quality leads and deeper audience engagement. I give them my highest recommendation
When you're building a brand, every detail starts to matter. Prox Digital Agency helped us connect the new identity with the website so they actually feel like the same business. Really happy with the direction. The result is more confident and much easier to build on.
I’d worked with a few designers before, but none of them really got what I was trying to say with my brand. Prox Design Studio actually listened. They picked up on the tone, the vibe, the whole story behind it, and you can see that in every little detail. The colors, the layout, everything just felt right.
Most designers I worked with before just made things look nice but didn’t get what I was trying to say. Prox Design Studio was different. They actually took the time to understand my content and what it meant. The posts they made didn’t just look good—they helped tell the story I wanted to share. My feed finally feels like me, and people have noticed the difference.
Build the Website
Your Brand Deserves
We design and develop websites that make your business easier
to trust, easier to choose and harder to ignore.
The Stack Behind
the Build
Most agencies hand over a website and walk away. We build on modern, well-documented stacks such as Next.js, WordPress, Shopify and headless CMS platforms, test across devices and browsers, and document everything so your team can extend it with confidence.
Different Industries
Different Digital Problems
[Awards & Recognition]
Proof Beats Promises
Every Single Time
Join The Growth Journey Of 500+ Brands
[Services Map]
10 mins
Frequently
Asked Questions
We’ve heard it all. Here’s everything you need to know before working with us.
A web development agency builds the functionality behind a website, including the code, CMS, integrations and backend required for a design to work in a browser. Prox handles everything from custom builds to e-commerce and web apps, and our web design agency team can design it first if you need it.
Cost depends on complexity, integrations and whether you need a custom build or a CMS-based site. As a web development agency London businesses trust for transparent scoping, we quote fixed pricing before work begins.
Most builds go live in 2–3 weeks once design is approved, though larger custom or e-commerce projects take longer. Every project starts with a clear, written timeline.
We build on Next.js, WordPress and Shopify, chosen per project rather than forced onto every client. As a WordPress development agency, we favour custom, lightweight themes over heavy page-builder templates, and as a web development company we always pick the stack that fits the business.
Yes. Our website migration process maps every URL and redirect before moving anything, so search rankings and existing content carry across intact.
Yes. Alongside standard website development, we build e-commerce platforms on Shopify and custom stacks, covering checkout, payments and inventory management.
Every build includes GDPR-compliant data handling and security best practice as standard, not as an add-on. This matters for UK businesses handling any customer data.
Yes. Prox is a website development agency London businesses across every sector choose, offering website development in London with a local team who understand the market and its compliance requirements.
Yes. Alongside our London web development agency base, we deliver web development services to businesses nationwide and internationally, using the same process and team.
Every project includes 30 days of free support after launch, covering bugs, errors and issues at no extra cost, with ongoing maintenance plans available afterwards.
Yes. Beyond standard websites, we develop custom web apps with authentication, dashboards and integrations. Our web application development work in London covers client portals, booking systems and internal tools for businesses that need more than a brochure site.
Yes. Every engagement with our London website development agency includes an option for ongoing maintenance, including security updates, monitoring, and content support to keep your site reliable long-term.
Prox combines a professional web development company London reputation with 500+ shipped projects, modern architecture and 30 days of free post-launch support, all built to rank among the best website development company options in the UK.
London rewards brands that think differently. As a digital marketing agency London businesses trust, Prox assists startups, scale-ups, and established companies to earn attention, build demand and grow through strategy, creativity or AI-powered marketing.
Orlando is home to leading businesses serving local, national and global audiences. Prox builds digital marketing systems that strengthen brand presence, attract qualified customers, and create sustainable growth through creativity, technology and fast performance.
Melbourne celebrates brands that dare to stand apart. Prox assists top leading businesses build stronger market presence, attract the right customers, and create lasting growth through strategy, creativity, technology, and AI-powered marketing.
Dubai moves fast and global brands need marketing that keeps pace. Prox partners with businesses across the region to create digital campaigns, memorable customer experiences and performance strategies that transform visibility into restless commercial growth.
Address
IG3 9UZ, United Kingdom 7345 W Sand Lake Road, Ste 210,
Office 2890, Orlando, Fl 32819 50 St Georges Terrace,
Suite #1051, Perth, WA 6000 Queen Elizabeth 2, DUQE Square
Business Center, Port Rashid, Dubai
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If you’re looking for a global growth agency that understands growth, execution, and accountability, you’re in the right place.
