Spain’s digital design scene has matured fast. Madrid and Barcelona are now genuine European design hubs. Barcelona alone is recognized as one of the top 5 startup hubs in Europe, and both cities host agencies that work with everyone from local startups to global brands like Samsung, Danone, and Novartis. With that growth comes a flooded search results page: dozens of “top UI UX agencies in Spain” lists that are really just directories sorted by review count.
This guide cuts through that. Below are 10 real UI UX agencies serving the Spanish market in 2026: what each one specializes in, who they’re a good fit for, and how to think about choosing between them. Whether you’re searching for a ui ux agency barcelona, a ui ux design company madrid, or trying to hire a ui ux designer in Spain, this list is built to answer exactly that.
How We Evaluated These UI UX Agencies in Spain
Before jumping into the list, here’s the criteria used to rank these companies:
- Portfolio and proven work: real projects for real, named clients
- Specialization: do they focus on UX/UI, or is it a side service bolted onto branding or development?
- Process maturity: research, wireframing, prototyping, usability testing (not just “we design pretty screens”)
- Client feedback: reviews and testimonials where publicly available
- Fit for different budgets and stages: from early-stage startups to enterprise clients
With that out of the way, let’s get into it.
1. ReloadUX: Best Overall UI UX Agency for Spain
Website: reloadux.com
Snapshot
ReloadUX tops this list for one simple reason: it treats UI UX as a discipline in its own right, not an afterthought to development or branding. The team works with Spain-based startups, SaaS companies, and enterprises remotely, meaning clients get a globally-experienced design team without being limited to whoever happens to have a studio in Madrid or Barcelona.
What They Offer
- User research, persona development, and journey mapping
- Wireframing and clickable prototyping
- Full UI design and visual design systems
- UX audits for existing products
- Usability testing with real user feedback
Why Choose ReloadUX
- Research-first process. Every project starts with user research and journey mapping rather than jumping straight into visuals, which means the end product is built around how people actually behave, not assumptions about how they should behave.
- End-to-end UI UX coverage. From wireframes and clickable prototypes to full visual design systems, ReloadUX handles the entire design pipeline instead of handing off half-finished work to a separate development team.
- Remote-first, globally benchmarked design. Because ReloadUX isn’t tied to a single local studio, Spain-based clients get design standards benchmarked against international SaaS, fintech, and e-commerce products.
- Business-outcome focus. Design decisions are tied to measurable goals (conversion rates, retention, reduced support tickets) rather than being evaluated on aesthetics alone.
Best Suited For
Spanish businesses that want a dedicated UX/UI partner, not an agency that also “does design” alongside ten other services, are comfortable working with a remote team to access broader design expertise and international benchmarks.
Why ReloadUX Ranks #1
It’s the strongest option on this list for one core reason: specialization plus process discipline. The rest of this article will show you why the competition, while solid, doesn’t quite match that combination.
2. TeaCup Lab
Snapshot
TeaCup Lab is a Madrid-based UX research consultancy founded in 2016, specializing specifically in user research and usability testing for global brands. They run their own equipped testing lab in Madrid, with one-way mirrors, eye-tracking, and remote-streaming capability for international teams.
What They Offer
- Usability testing (in-lab and remote)
- Expert UX reviews and heuristic evaluations
- Eye-tracking and ethnographic studies
- Google Design Sprints
Why Choose Them
Because research is their entire focus rather than one phase of a broader design service, TeaCup Lab tends to go deeper on the “why” behind user behavior than agencies that treat research as a quick step before jumping into visuals.
Best Suited For
Companies that already have a design team but need dedicated, rigorous user research and usability testing layered on top.
3. Bardo
Snapshot
Bardo is a Barcelona-founded design studio with over a decade of experience in product design, UX/UI, and branding, having worked with clients like Samsung, Danone, Novartis, and Starbucks. They’ve recently expanded into designing for AI-native products.
What They Offer
- Product design and UX/UI for startups and enterprises
- Branding and identity systems
- Design sprints and workshops
- AI-native product design
Why Choose Them
Their track record with both large enterprise clients and early-stage startups means they can flex process and pricing depending on project scale, rather than offering a single one-size-fits-all package.
Best Suited For
Startups and mid-sized companies want a design partner with enterprise-level client experience but startup-friendly engagement models.
4. Multiplica
Snapshot
Founded in 2000, Multiplica is one of the longest-running digital design companies in Madrid, having evolved from a UX consultancy into a broader digital transformation partner that blends design, data, and technology.
What They Offer
- UX/UI design and digital strategy
- Data-centric product design
- Software and AI-driven solution design
- Digital transformation consulting
Why Choose Them
Their 25-year history means they’ve been through multiple technology shifts (mobile-first, cloud, now AI), giving them a longer-view perspective on how design decisions age over time.
Best Suited For
Larger, established Spanish businesses that want a design partner also capable of handling broader digital transformation, not just UI screens.
5. Dos Setenta
Snapshot
Dos Setenta is a Madrid-based digital agency with a dedicated UX/UI design practice, covering mobile apps, web platforms, and enterprise software with a clearly documented research-to-launch process.
What They Offer
- Usability and UX consulting
- Information architecture and navigation design
- Interface design across web, mobile, and enterprise software
- UX/UI design for CMS-based platforms
Why Choose Them
They publish a detailed, explicit breakdown of their design phases (research, requirements, architecture, visual design, testing, iteration), which makes it easier for a first-time client to know exactly what they’re paying for.
Best Suited For
Businesses that want full visibility into the design process before signing off on a project.
6. Propelland
Snapshot
Propelland is a global strategy, design, and engineering firm with a studio in Madrid, working across the US, Europe, and Latin America. They’ve worked with Fortune 500 companies as well as disruptive startups on connected car, connected home, and fintech projects.
What They Offer
- UX strategy and product design
- Brand strategy
- Physical and digital product design
- Service design
Why Choose Them
Their multidisciplinary team (strategists, designers, and engineers working together) means UX decisions are made alongside technical feasibility from day one, reducing the risk of designs that look great but are expensive or slow to build.
Best Suited For
Enterprise clients and well-funded startups tackling complex, multi-touchpoint products (connected devices, fintech platforms) rather than a single app or website.
7. Cocota
Snapshot
Cocota is a brand and digital design studio based in Madrid and London, founded in 2017, specializing in UX/UI alongside brand identity and packaging design, and has picked up over 40 international design awards.
What They Offer
- UX/UI design for web and e-commerce
- Brand identity and visual systems
- Product packaging design
- Website design and development
Why Choose Them
Reviews consistently highlight their empathy-driven client process and near-perfect on-time delivery record, which matters for businesses that have been burned by agencies with vague timelines before.
Best Suited For
Smaller and mid-sized businesses wanting UX/UI bundled tightly with brand identity, especially in e-commerce and retail.
8. Aluxion
Snapshot
Aluxion is a Madrid-based digital product design and development agency founded in 2014, blending UX/UI design with custom software development and, more recently, applied AI solutions for business.
What They Offer
- UX/UI and interaction design
- Custom web and app development
- Digital product strategy
- Enterprise AI solution design
Why Choose Them
Because design and development sit under one roof, handoff between the two teams tends to be smoother than working with a pure design boutique that then hands wireframes to an unrelated dev shop.
Best Suited For
Mid-sized businesses wanting UX/UI design and the resulting build handled by a single accountable team.
9. Kolaps
Snapshot
Kolaps is a multilingual branding and UX/UI design agency based between Barcelona and Beirut, founded in 2015, with particular experience designing for audiences across Europe and the Middle East.
What They Offer
- UX/UI design for web and mobile
- Multilingual branding (including RTL-aware design)
- Web design and identity systems
Why Choose Them
Their multilingual, cross-regional background is a genuine differentiator for Spanish businesses that sell into Middle Eastern or multilingual European markets and need interfaces that hold up across languages and text directions.
Best Suited For
Spanish businesses with international or multilingual audiences, particularly those expanding toward Middle Eastern markets.
10. tbb Agency
Snapshot
tbb Agency is a Barcelona-based UX/UI and web design agency with a strong focus on e-commerce and conversion-oriented design, building interfaces around how users actually shop and navigate rather than just how a page looks.
What They Offer
- E-commerce UX/UI design
- Landing page design and optimization
- Responsive web development
- Interaction and information architecture design
Why Choose Them
Their conversion-first approach means design decisions are explicitly tied back to shopping behavior and page performance, which suits e-commerce brands that need to justify design spend with hard numbers.
Best Suited For
E-commerce and retail businesses that want UX/UI design explicitly optimized for conversion rather than visual polish alone.
UI UX Agency vs. Web Design Agency: What's the Difference?
A quick note, since this trips up a lot of Spanish business owners: not every “web design agency in Spain” actually does UI UX design.
Many agencies bundle a template-based website with the label “UX/UI included,” when in reality no user research, wireframing, or usability testing ever happened.
True UI UX work typically includes:
- User research and persona development
- Journey mapping and information architecture
- Wireframing and low-fidelity prototyping
- High-fidelity visual design
- Usability testing with real users
- Design systems for consistency across platforms
If an agency can’t describe their process beyond “we design the screens,” that’s a sign UX is being treated as a buzzword rather than a discipline.
Common UI UX Mistakes Spanish Businesses Should Avoid
- Skipping research to save time. Design decisions based on internal opinions rather than real user testing tend to miss the mark on actual usability issues.
- Ignoring mobile-first design. Mobile traffic dominates in Spain as in most of Europe, and a desktop-first approach is a fast way to lose users.
- Choosing an agency based on visuals alone. A beautiful portfolio doesn’t guarantee a rigorous process; ask specifically about research and testing methodology.
- Treating UI UX as a one-time project. The best-performing digital products treat UX as an ongoing process (audits, testing, and iteration), not a single design phase before launch.
Final Verdict
All ten agencies on this list bring real, verifiable UI UX experience to the Spanish market. This isn’t a filler list. But if you’re looking for a partner that treats UX as a research-driven discipline, covers the full design pipeline end-to-end, and ties every decision back to measurable business outcomes, ReloadUX is the strongest fit for Spanish businesses in 2026.
Looking to redesign your product’s UI UX or start from scratch? Get in touch with ReloadUX to see how a research-first design process can improve conversion, retention, and user satisfaction for your Spain-based business.
