World-class design for those building tomorrow

A blend of strategic UX, premium design, and AI-enhanced workflows.

what we do

Your product is cool. But does it flow?

We fix frustrating UX, build MVPs, and make tech products easy to use, so you can focus on growth and sleep better at night.

Tailored Projects

Redesigns, feature builds, strategy. Whatever it takes to make your product flow.

Starting at €10,000

MVP Building

Got an idea? We can turn it into a working MVP in days, so you can test and pitch.

Starting at €5,000

UX Sprint

Users getting stuck? We’ll fix one user flow in 3 days. Faster signups and less churn. Want in?

Starting at €2,500

Retainers

Great UX isn’t a one-time fix. Our retainer keeps your product evolving, and you won't have to stress about design.

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services

How do we help you?

We've crafted each service with precision, to help build & fix next-gen products.

UX/UI
Prototypes
User flows
Strategy
User research
UX for growth
Visual identity
Design systems
Websites
Apps
SaaS
MVP
UX audits
Design sprints
Low-code
Redesigns
Product demos
Assets
Roadmaps
Pre-launch QA
collab

Who we work with

You've got a product to build, and it should feel effortless. If it doesn’t, we’ll fix it.

Early‑Stage Founders

Big idea? Let's make it real. We’ll build a working MVP with low-code, so you can test and pitch.

Startups

Users dropping off? We fix friction points so they stay longer, convert faster, and love using your product.

Growing Companies

Scaling shouldn’t be a headache. We help keep your UX smooth, simple, and ready for what’s next.

results

Redefined products

We don’t just make things look good. We make them work better, faster, and smarter.

Investor-Ready MVP

Helped a startup build and demo an MVP that wowed investors and secured early buy-in.

Pet Longevity Platform

Completely revamped a longevity app, helping pet parents extend their pets’ lives worldwide.

"The team at 23harmony are not just superb designers but also product experts, ensuring a meticulously planned user experience. We highly recommend them to startups or companies looking for amazing, flexible design solutions."

Matt Keyes
COO at MyPetGo

"We demoed the MVP in our recent board meeting to the investors & advisors last week and received great feedback for it! Everyone was really impressed about the tool, which has been created in such a short time. These credits go all to you for the design!"

Schirin Yazgan
Head of Product at XO Life

Internal Tool → SaaS

Transformed an internal tool into a powerhouse SaaS suite — built in record time.

UX for Growth

Simplified a growing startup's UX, increasing activation rates and reducing drop-offs.

benefits

Why work with us?

We keep things simple: clear processes, fast iterations, and designs that work.

Boutique Approach

We work with only a few clients at a time for a truly personalized experience.

Proven methods

We share our own builds publicly. See what works in real time.

Seamless collaboration

From idea to launch and beyond, we stay by your side.

AI‑Enhanced Prototyping

Faster, smarter, and built for modern product needs.

What exactly do you do?

We help startups and growing companies design better tech products, whether that means building an MVP, fixing UX issues, or refining an existing product to scale.

What exactly do I get with the MVP?

• Product Strategy Workshop (1-day session)
• Live, clickable prototype (Minimum Lovable Product)
• User testing setup
• A roadmap for future iterations

What does the UX Sprint include?

Day 1: UX Audit → We analyze user flows & friction points
Day 2: Rapid Redesign → We fix usability issues
Day 3: Testing & Handoff → You get final designs + a Loom walkthrough

Do you offer ongoing support?

Yes! We offer retainer-based design support for teams that need continuous improvements without hiring in-house.

Can you redesign my SaaS/web app?

Yes! We can audit and redesign individual screens or optimize key user flows without disrupting your operations.

How long does the process take?

Rapid MVP Build → A few days to 2-3 weeks
UX Sprint → 3 days (per user flow)
Custom Projects → 4–8 weeks+ (depending on scope)

How do I pick the right service?

If you need a working prototype fast → MVP Build
If you have a product with UX issues → UX Sprint
If you need a redesign or feature launch → Custom Project
If you need ongoing support → Retainers

How can I start?

We recommend booking an intro call with our team, so we can discuss your design goals, priorities, and how we can best support you. Alternatively, you can always send us an email at contact@23-harmony.com.

Ready to scale your product to new heights?

If world-class design and meticulous attention to every detail is what you're looking for, then you're in the right place.

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