UI/UX Design Agency in London That Turns Interfaces Into Revenue
We design digital products that people love using and businesses love selling.
From ambitious startups on Old Street to scaling SaaS companies in Canary Wharf, Softoholic is the UI/UX design agency London businesses trust to transform their digital products. We do not just make things look good. We make them work better, convert higher, and keep users coming back. Every design decision is backed by user research, usability best practices, and a deep understanding of your business goals. Our user-centred approach creates seamless digital experiences that strengthen your brand and drive measurable growth.
Poor UI/UX Does Not Just Frustrate Users. It Costs You Money.
Most businesses do not lose customers to competitors. They lose them to confusion.
A slow-loading screen. A checkout flow that asks too many questions. An onboarding sequence that never explains the value. These are not small problems. Each one is a leak in your revenue, and most teams do not notice it until they are staring at churn numbers and trying to figure out where it all went wrong.
London’s digital market is brutally competitive. Users on Tottenham Court Road and Southwark Street are browsing your product on the same devices as users in New York and Dubai. Their patience is the same: close to zero. Forrester research puts UX ROI at up to £100 for every £1 invested. The question is not whether good design matters. It is whether you can keep waiting.
Softoholic Is Not Like Every Other UI/UX Design Agency in London
We Design for Outcomes, Not Aesthetics
Every design decision we make connects to a metric you care about. Conversion rate. Task completion rate. User retention. Session length. We do not ship a screen because it looks impressive in a portfolio. We ship it because it moves a number. If it does not, we iterate until it does.
Research Before Pixels, Every Time
We do not open Figma until we understand your users. That means talking to them, watching how they use your product or your competitors' products, and building a clear picture of what they need versus what they currently experience. This is how we avoid the most expensive mistake in design: building something beautiful that solves the wrong problem.
We Think Like Product People
Our team speaks the same language as your product managers and your engineers. We understand sprint cycles, backlog prioritisation, technical constraints, and business timelines. When you brief us, you do not need to translate. If you say "the onboarding needs to be shorter" or "the dashboard is too noisy," we already know what you mean. We get into the detail with you and stay there.
London-Based, Startup-Tested, Enterprise-Ready
We have worked with founders pitching at Seedcamp events and with product directors managing teams of thirty. We know the difference between a startup that needs to validate an idea in four weeks and a scale-up that needs a complete design system built to last three years. Both deserve excellent design. Both get it from us.
Our UI/UX Design Services in London
UI/UX Design for London's Most Active Industries
London is one of the most diverse business cities in the world. The design challenges facing a fintech company in Canary Wharf look nothing like those facing a healthcare startup near King’s Cross or an e-commerce brand growing out of a warehouse in Bermondsey. We have worked across all of them.
UI/UX Design for SaaS Companies
SaaS products live or die on user activation and retention. We design onboarding flows, feature interfaces, and dashboard architectures that help your users reach their first moment of value quickly, and stay there.
UI/UX Design for Fintech and Financial Services
Trust is the foundation of every fintech product. Users making financial decisions need clarity, confidence, and zero friction. We design for regulated environments where the UX has to be both compliant and genuinely useful, not one at the expense of the other.
UI/UX Design for Healthcare and MedTech
In healthcare, confusing design is not just a business problem. It is a safety problem. We design patient-facing and clinician-facing interfaces that are accessible, clear, and built to meet NHS digital standards and wider UK healthcare UX guidelines.
UI/UX Design for E-Commerce Brands
Conversion is everything in e-commerce. We focus on the moments that matter: product discovery, purchase flow, basket behaviour, and post-purchase experience. Good UI/UX design in e-commerce is not a luxury. It is margin.
UI/UX Design for AI and Tech Startups
AI products introduce UX problems that most conventional design patterns have not solved yet. We work with AI and tech startups across London to design interfaces that make complex outputs feel simple, with surfaces that give users genuine control over intelligent systems.
UI/UX Design for B2B Platforms
B2B buyers are not patient. If your platform takes too long to understand, they will find one that does not. We design B2B interfaces that are functional, fast to learn, and built for the way real teams actually work.
Our UI/UX Design Process in London
Discovery and Research
We start by learning. Who are your users? What do they currently struggle with? What does success look like for your business and for the person using your product? This phase involves user interviews, competitor analysis, and a clear brief that guides everything that follows.
Strategy and Information Architecture
With research in hand, we map the user journey and define the structure of your product. This is where we decide what goes where and why. Getting this right saves significant time and budget in every phase that follows.
Wireframing and Concept Design
We sketch the structure before we design the surface. Wireframes move fast, cost less to change than final designs, and let you validate the core logic of your product with real people before committing to production.
High-Fidelity UI Design
This is where the product comes to life visually. We build pixel-perfect screens in Figma, working within your brand identity while applying design principles that maximise usability and conversion. Every screen has a reason for every decision.
Prototype, Test, and Validate
We build interactive prototypes and put them in front of real users. Testing reveals what no amount of internal review can. We use the findings to refine the design before your engineering team writes a single line of code.
Developer Handoff and Design QA
We deliver annotated Figma files, a component library, design specifications, and active support throughout the build phase. We stay available during development to answer questions, review implementations, and make sure what gets built matches what was designed.
We Work With Teams Who Know Design Matters
Startup Founders Launching Their First Product
You are moving fast and every decision counts. You need a UI/UX design partner who can take your idea, pressure-test it with real users, and produce something investor-ready without dragging the process out. We have done this for founders across London's startup ecosystem, from early-stage MVPs in Bethnal Green to Series A products launching across Europe.
Product Managers Leading Growing SaaS Teams
You need a design agency that fits into your process, not one that disrupts it. We work inside your sprint cycles, communicate in product language, and hand off clean, build-ready files. You will not spend your time translating between design and engineering.
CTOs and Engineering Leads
You need designs that make sense to build. We provide technical handoff documentation, design tokens, and component specs that reduce ambiguity in your codebase and speed up your delivery cycles.
Marketing Directors Fixing Conversion Problems
You are spending money on traffic. The problem is the product is not converting it. We identify and fix the UX problems that stop your visitors from becoming customers, and we measure the impact of every change.
In-House Design Teams Needing Senior Support
Sometimes your team needs a specialist for a sprint, a product launch, or a complex interface challenge. We integrate with in-house design teams across London and bring senior UI/UX expertise exactly when and where you need it.
A UI/UX Design Agency in London, Built for London Businesses
London is not a generic market. A startup building in Shoreditch has different pressures to a financial services firm on Bishopsgate or a healthcare company near University College London. The pace, the expectations, and the users are all different. We know this because we work here, every day.
We meet clients for workshops in Soho, co-design sessions near Liverpool Street, and project kick-offs across the City. If your team is in London and you want a design partner who can sit in the same room with you and work through real problems, we are available for that. If you prefer fully remote collaboration, we run tight, well-structured digital processes that keep every stakeholder aligned from kick-off to launch.
London’s tech and product design community is built on real craft and real results. We hold ourselves to that standard. Every project we take on in this city carries a simple expectation: it should perform, not just impress.
UI/UX Design Price plan
UI Starter
£149 (Was £250)
Includes Plan :
- Wireframes for 1–2 screens
- Visual style guide (colors, typography, components)
- UI mockups using Figma or Adobe XD
- Mobile and desktop previews
UI/UX Pro
£449(Was £749)
Includes Plan :
- Up to 10 screen designs with interactivity
- Journey mapping and user flows
- Clickable prototypes
- UI animations (micro-interactions)
- Usability test plan and suggestions
Complete UX Suite
£849 (Was £1,415)
Includes Plan :
- User research (interviews, personas, empathy maps)
- Competitor UI audits and recommendations
- Full design system (buttons, inputs, spacing)
- Developer-ready handoff files (Zeplin, Figma specs)
- A/B testing recommendations
Frequently Asked Questions (FAQs)
UX design is the structure and logic of how a product works. It covers user flows, journey mapping, information architecture, and interaction logic. UI design is the visual execution of that structure: the typography, colour, spacing, and component styling. Both disciplines work together. A product with strong UX but weak UI looks unfinished. A product with strong UI but poor UX looks good and works badly. We handle both.
Project costs vary based on scope, complexity, and the phase of design required. A focused UX audit for an existing product typically starts from around £3,000 to £5,000. A full product design engagement from discovery through to developer handoff typically ranges from £15,000 to £60,000 depending on the size and complexity of the product. We provide a clear, scoped estimate after an initial discovery conversation, with no obligation attached.
A UX audit takes two to three weeks. A wireframing and prototyping engagement typically runs four to six weeks. A full end-to-end design project from research to developer handoff generally takes eight to sixteen weeks depending on scope. We are transparent about timelines from day one and do not move goalposts after a project starts.
Yes. Startups make up a significant part of our client base. We understand pre-seed and seed-stage constraints and offer engagement models that reflect real startup timelines and budgets. If you are looking to design an MVP, validate a concept, or prepare a product for investor review, we have done all of those before.
This is one of the most common ways we engage. We design in Figma and deliver annotated, component-structured files that integrate with most modern development workflows. We are also available throughout the build phase to support your engineers directly.
We work primarily in Figma for UI design, prototyping, and design system management. For research and testing, we use tools including Maze, Hotjar, and Lookback, alongside in-person and remote user testing sessions. For project collaboration, we adapt to whatever your team already uses.
Yes. Our UX audit service is one of the highest-value engagements we offer, particularly for products that are live but underperforming. We assess your product against established usability principles, review real user behaviour data where available, and produce a prioritised recommendations report with specific, actionable improvements.
Depending on the scope of your project, deliverables include user research reports, journey maps, wireframes, high-fidelity UI design files, interactive prototypes, a component library or design system, design specifications, and handoff documentation. We confirm exactly what you will receive before the project starts.
We design to WCAG 2.1 AA as a baseline on every project. This covers colour contrast, keyboard navigation, screen reader compatibility, touch target sizing, and focus state management. For public sector clients or products with specific regulatory requirements, we can design to WCAG 2.1 AAA where needed.
Yes. Many clients move to a retainer arrangement after their initial project, which gives them access to our design team on an ongoing basis for new features, design iterations, and product evolution. We also offer post-launch support on a flexible basis for teams that need help periodically rather than continuously.
Ready to Build a Digital Product Your Users Will Love?
Whether you are launching something completely new or fixing something that is not performing the way it should, the first step is a conversation. No jargon. No hard sell. Just an honest discussion about your product, your users, and where we can help.