Best UX agencies in London to work with in 2026

Find the very best product design agencies in London. We review their size, main services, focus, and pricing range to help you pick the best fit. The information below has been validated by our experts and updated for 2026. Ready, set, review! 

1. The Bang

Let's go in with a bang: The Bang is a snazzy design studio with a focus on product design and branding. They've been in the business for 6 years, mainly working with local companies. 

• HQ: London, fully remote team

• Team size: 11-50

• Main services: Product design, design systems, branding, websites

• Price: premium, around £220 / hr

• Best fit for: disruptors and unicorns

2. Kraftbase

Looking for a more affordable option? London businesses often hire  design teams from South Asia, such as Kraftbase. Our international team of UX designers and UX researchers have been partnering with global companies since 2013.

• HQ: Budapest, remote availability

• Team size: 11-50

• Main services: product design, UX research, consultancy, development

• Price: reasonable, around £40-70 / hr

• Best fit for: strategic partnerships, B2B, SaaS

3. Ustwo

Ustwo is now ushundreds, as the two-person product design team grew into a BAFTA-winning global agency with a heavy AI-focus.

• HQ: London, Tokyo, Malmö, New York, Lisbon

• Team size: 200-500

• Main services: design, strategy, product, delivery, technology

• Price: average, around £110-150 / hr

• Best for: scale-ups

4. 383

383 is going through a growth spurt, as they recently merged with Lion+Mason. If you wish to grow with them, their consultancy can help you with research and data-backed product design.

• HQ: Birmingham, London, Leeds‍

• Team size: 11-50‍

• Main services: Product strategy, research & insight, experience design, web & app development, AI agentics‍

• Price: average, around £110-150 / hr‍

• Best for: growth-stage B2C

5. Shoreditch Design

A favourite of start-ups around the world, Shoreditch Design is a creative agency with a strong presence in the UK. Though they've only started operations 4 years ago, they've already landed major clients like Wise, the NHS, and Brewdog.

• HQ: UK, US, Australia‍

• Team size: 11-50‍

• Main services: AI design, animated video production, branding, digital product design, graphic design, UI/UX, web design, web development‍

• Price: ‍reasonable, around £40-70 / hr‍

• Best for: startups to enterprise

6. Plug and Play

Plug and Play is a paradoxically perfect fit for serious businesses in fintech, healthcare and eCommerce.

• HQ: London, Guildford‍

• Team size: 11-50‍

• Main services: UX and UI design, front end development, CRM interface design, digital product retainers‍

• Price: ‍average, around £110-150 / hr‍

• Best for: B2B

7. Pentagram

No list would be complete without Pentagram, the world's largest independent design consultancy that's been shaping the field since the 1970s. Browse their portfolio to get inspired, and get in touch with them if you need an interdisciplinary team of design legends.

• HQ: London, New York, Austin, Berlin‍

• Team size: 50-200‍

• Main services: everything from packaging design to digital experiences and installations‍

• Price: enquire‍

• Best for: anybody from civic to public

What can UX design agencies in London do for you?

A UX design agency in London can help transform your digital product into something truly efficient and engaging. Whether you’re a startup refining an MVP or an established company improving an existing platform, the agencies on our list all  understand user behaviour across sectors and have expertise in translating them into intuitive experiences.

One of the biggest advantages of working with a London-based agency is their global perspective combined with local insight. London is a hub for diverse industries, from fintech and e-commerce to AI and SaaS. UX designers here have experience tackling challenges across sectors, meaning they can adapt strategies that work best for your specific audience. Whether you're targeting local UK customers or an international market, they can refine your product to resonate with the right users. They can also provide UX training and workshops to upskill your team.

Ultimately, working with a product design agency is about building products that people love to use. Whether you need a full-scale redesign, a UX audit to pinpoint usability issues, or expert guidance to integrate emerging technologies like AI, these agencies bring the experience and processes to get you there.

What is the typical UX design process?

While every agency has its own approach, most follow a structured product design process to ensure the best results. This typically includes:

1. Discovery & research. Understanding your business, users, and competitors through research, stakeholder interviews, and workshops.

2. Ideation & Strategy. Defining the product vision, user journeys, and information architecture to shape the experience.

3. Prototyping & Design. Creating wireframes, interactive prototypes, and high-fidelity UI designs based on research insights.

4. User Testing & Iteration. Gathering feedback from real users and refining the designs before development.

5. Handover & Support. Delivering final design files, documentation, and collaborating with developers to ensure a smooth implementation.

The best agencies, such as the ones on our list, adapt their process to suit each project’s needs rather than taking a one-size-fits-all approach.

How long does a UX design project usually take?

The timeline depends on your project’s complexity. A UX audit or usability review might take a couple of weeks, while designing a full digital product could take several months. On average:

• Small projects (e.g., landing pages, simple websites) take 4–6 weeks.

• Medium projects (e.g., a mobile app or dashboard) take 8–12 weeks.

• Large projects (e.g., complex platforms, enterprise software) take 3–6 months or more.

How do I choose the right UX design agency for my industry?

Start by looking at agencies with experience in your specific field. While UX principles apply across industries, understanding specific challenges—whether in FinTech, e-commerce, healthcare, or SaaS—can make a big difference. Ask:

• Have they worked with businesses similar to yours?

• Do they understand your target audience and market?

• Can they adapt to your industry’s regulations and requirements (e.g., accessibility, data privacy)?

Also, consider their process, communication style, and flexibility. They should feel like a part of your team.

How can I assess the quality of an agency’s previous work?

To gauge an agency’s expertise, look beyond flashy visuals and consider:

• Case studies – Do they explain the problem, process, and results clearly?

• Measurable impact – Have their designs improved usability, conversion rates, or engagement?

• User research approach – Do they base decisions on data or just aesthetics?

• Client testimonials – What do past clients say about working with them?

Ask for a call with the agency to discuss their approach and get a sense of how they work. At Kraftbase, we believe there are no silly questions. Reach out to us to discuss your project's current challenges.