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Your website is your business’s first impression. If it looks outdated, loads slowly, or doesn’t work on mobile, you’re losing customers before they even see what you offer.
We know that finding the best web design agency in London to build a website that stands out, loads fast, and drives sales is hard.
Many business owners waste time and money on agencies (or even freelancers) that promise the world but fail to create a site that attracts and converts visitors.
The pain of launching a new website—only to realize it doesn’t bring in customers—can be frustrating.
But here’s the good news: You don’t have to take chances. According to IBISWorld, having a professional, user-friendly website is now essential for business revenue.
In fact, research from VYE agency found that 71% of companies had a website in 2023-24. A professional web design agency can help you join them, with a site that works for your business, not against it.
That’s why we’ve put together this list of the best web design agencies in London.
Whether you’re a startup looking for a stunning, modern website, an E-commerce store owner that wants an organized store or an established business needing a complete redesign, these agencies can turn your vision into reality.
How do you know an incompetent web design agency in London?
Before we jump into listing the best web design agencies in London, let’s first address something important.
Some web design agencies put the tag “professional” on their website, or social media profile, but in reality they’re incompetent. So because we don’t want you to waste your money hiring these incompetent web design agencies… Here’s what you should do:
1. Review their portfolio
Would you hire a chef without tasting their food? No, right? The same goes for a web design agency. You need to see what they’ve done before trusting them with your business website.
Take a good look at their portfolio. Don’t just skim through; click on the websites they’ve built.
Are they visually appealing?
Do they load quickly?
Is the navigation smooth?
A professional web design agency doesn’t just create stunning websites; they build ones that work effortlessly and keep visitors engaged.
Also, check if they’ve worked with businesses similar to yours. If they’ve designed websites for your industry, chances are they understand your audience and what makes them click (literally!).
A strong portfolio is proof that the agency delivers quality work. If their past projects impress you, that’s a good sign they’ll do the same for your business.
If not? Keep looking. Your website deserves the best.
2. Check their client testimonials and reviews
Would you trust a restaurant with bad reviews? I can hear you say NO. The same goes for a web design agency. Before making a decision, see what past clients have to say.
Check testimonials on the agency’s website, but don’t stop there. Dig deeper—platforms like Clutch.co and Google Reviews give you unfiltered feedback.
Look for patterns. Do clients rave about their smooth process and great communication? Or do you see complaints about missed deadlines and poor support?
Good reviews mean the agency delivers on its promises. Bad ones? That’s a red flag.
Your website is a big investment, make sure you’re handing it over to people with a track record of keeping clients happy.
3. Assess their range of services
A great website isn’t just about good looks—it needs to attract visitors and turn them into customers. That’s why it’s smart to choose an agency that does more than just web design.
Check what else they offer. Do they handle SEO to help your site rank on Google? Can they create engaging content that keeps visitors hooked? What about digital marketing to drive traffic?
An agency with a full range of services can give you a complete online presence, not just a website. This means everything—from design to content to marketing—works together smoothly, saving you time and effort.
If you want a website that doesn’t just exist but actually grows your business, go for an agency that offers more than design. It could be the difference between a site that sits idle and one that brings in real results.
Top 11 best web design agencies in London
1. Block Agency
Did you know that every $1 spent on web design can bring back $100? That’s a 9,900% return on investment!
A great website isn’t just about looking good; it’s about making your business grow like a tree. That’s exactly what we do at Block Agency.
We’re a boutique web design agency run by an expert with 18+ years of experience in WordPress, UI/UX design, and WooCommerce customization.
While we’re primarily a solo agency, we team up with specialists in copywriting, SEO, and backend development when needed. So you get top-tier results without the hassle of managing multiple vendors.
We build websites that look amazing, work smoothly, and turn visitors into customers. Whether you need a simple site or a full eCommerce store, we focus on clean, conversion-driven designs that help businesses succeed.
We also offer managed hosting through Blockhost, so once your site is built, we’ll handle everything—design, development, and hosting—all in one place.
Want a website that doesn’t just sit there but actually helps your business make thousands of pounds £££ (or even millions)?
Let’s make it happen.
Reach out here: hey@blockagency.co
2. The Web Kitchen
The Web Kitchen is a team that builds custom WordPress websites from the ground up.
Based in London and New York, they create websites that don’t just look good but also work flawlessly for your business.
They believe every brand has a story, and their job is to bring that story to life through design. Their sites are easy to manage, built to last, and fully tailored to your needs.
But they don’t stop at web design. Need help with branding, corporate messaging, or digital marketing? They’ve got you covered. And if you’re searching for a UX/UI design agency in London, you’re in the right place.
If you want a website that’s not just a page online but a powerful tool for your business, The Web Kitchen is a name worth knowing.
3. NinjaPromo
A good website should bring in traffic and turn visitors into customers. That’s exactly what NinjaPromo does.
With over 290 successful projects, they’ve helped brands grow fast. Take Rebus Chain, for example—401% more traffic after their redesign. Or OVHCloud, which saw a 300% return on investment.
Their work isn’t judged by flashy designs alone, it’s all about real, measurable results.
NinjaPromo’s team of designers, marketers, and strategists work together to create sites that are SEO-friendly, conversion-focused, and built for success.
If you want a website that does more than just exist—one that actually grows your business—NinjaPromo is worth checking out.
4. Duck.Design
Imagine getting unlimited design requests for a simple monthly fee. No contracts, no hidden costs, just fast, high-quality work whenever you need it.
That’s what Duck.Design offers.
Whether you need a custom website, mobile-friendly design, brand identity, or motion graphics, they’ve got you covered.
No more juggling freelancers or hiring expensive in-house teams, just a reliable design partner that helps your business grow.
Need fresh designs on demand? With Duck.Design, you get all the creativity, none of the stress.
5. Creative Brand Design
This London-based agency builds every website from scratch, creating designs that truly stand out. No templates—just custom, high-quality websites tailored to your brand.
Their process is hands-on and collaborative, taking you from discovery and wireframing to development and final testing.
Every step is carefully planned to ensure your site isn’t just beautiful but also SEO-friendly, user-focused, and built to perform.
If you want a website that’s unique, functional, and designed to grow your business, Creative Brand Design is the team to call.
6. Artistsweb
Your business is unique, your website should be too. Artistsweb crafts custom digital experiences that look amazing and work flawlessly.
From websites and digital products to e-commerce solutions, they build everything from scratch, ensuring your site is designed specifically for your needs. No off-the-shelf templates, no one-size-fits-all solutions.
If you want a website that’s as distinctive as your brand, Artistsweb is the team to bring it to life.
7. FINN Partners
With offices across multiple continents, FINN Partners brings a truly global approach to web design.
They understand regional markets, making them the perfect choice for businesses looking to connect with the right audience. Whether you’re a startup or a global brand.
Based in London, this design studio specializes in web design, user experience, SEO, and digital marketing, ensuring your online presence is seamless, engaging, and built for growth.
If you want a website that not only looks great but also performs worldwide, FINN Partners is the team to make it happen.
8. Blue Whale Media
At Blue Whale Media, web design isn’t just about making pages look great—it’s about bringing your vision to life.
They start every project with a one-on-one consultation to understand your goals, so your website isn’t just beautiful but also strategic and user-friendly.
Their team focuses on design, functionality, and performance, ensuring your site works perfectly on all devices.
But what really sets them apart? Ongoing support. Once your website is live, they don’t just hand it over and disappear. They offer an online training portal to help you manage and update your site with ease.
9. Web Buds
At Web Buds, whether you need a simple landing page or a full e-commerce platform, their team of designers and developers creates websites that work flawlessly and deliver real results.
They focus on fast load times, mobile optimization, and smooth user experiences, ensuring your site can handle anything.
But what really sets them apart? Their hands-on approach.
Web Buds doesn’t just build your site; they work closely with you, explaining every step of the process and providing detailed reports so you can see how each decision impacts your business.
10. Bird Marketing
Bird Marketing specialize in building highly customized websites that don’t just sit online but actively drive business growth.
With 20+ years of experience, they’ve perfected the balance between creativity and functionality, ensuring every website connects with the right audience and delivers real results.
If you’re looking for more than just another website, their team has the skills and experience to create something truly unique for your business.
11. Contra Agency
At Contra Agency, web design is more than just design; it’s a blend of artistic vision and technical expertise that helps businesses grow.
With 24 years of experience, they’ve built scalable, future-proof websites for industries like education, law, and B2B, using cutting-edge platforms like Drupal and HubSpot.
What makes them stand out? A truly collaborative approach. They involve you at every step, welcoming feedback to ensure your website is functional and a perfect reflection of your brand.
Wrapping up
There you have it—top 11 best web design agencies in London.
Your website is your online office or store… if it’s unprofessional, it chases customers away, if it’s professional, it welcomes customers. The ball is now in your court.
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