Empowering startups and enterprise businesses with user-centered design that drives results.
We design digital products
your customers will love.
20+ years creating designs
that drive growth
We partner with teams who value user experience as the key to business success.
Our practical, collaborative approach simplifies UX/UI challenges—
helping startups launch faster and enterprises scale smarter.
Services
Product & UX Design
Create intuitive, user-centered digital experiences that drive engagement and delight customers.
We cover the entire design lifecycle - from user research and interaction design to prototyping and visual interfaces.
We cover the entire design lifecycle - from user research and interaction design to prototyping and visual interfaces.
Accessibility Readiness & Audits
Prepare for the 2025 regulations and global accessibility standards (WCAG, EN 301 549, ADA).
We identify barriers, provide clear recommendations, and help you deliver a truly inclusive user experience.
We identify barriers, provide clear recommendations, and help you deliver a truly inclusive user experience.
Early-Stage Startup UX/UI
Full-service package that helps early - stage founders bring their ideas to life with practical research, prototyping, and go-to-market guidance.
Clear, actionable results that validate your concept and set the stage for a successful launch - without any agency jargon.
Clear, actionable results that validate your concept and set the stage for a successful launch - without any agency jargon.
Design & Build
Work with our vetted development partners to ensure seamless translation from design to code.
We oversee implementation, maintain design integrity, and deliver robust, scalable digital products.
We oversee implementation, maintain design integrity, and deliver robust, scalable digital products.
Working together
We combine your product knowledge with our design expertise, rapidly creating results.
Fast iterations help clarify your ideas, uncover opportunities, and quickly get your product closer to users.
How to start
Validating big ideas
Quickly turn ideas into validated prototypes and actionable insights—everything you need to confidently build your MVP.
Our modular approach ensures flexibility, giving you exactly what you need at every stage of development.
Our modular approach ensures flexibility, giving you exactly what you need at every stage of development.
from
€ 6900
modular Package
Duration: 2 weeks
What you’ll get
UX Strategy & Planning – Clear roadmap, defined goals, aligned vision.
User Research & Validation – Real insights through interviews, surveys, and usability testing.
Interactive Prototyping – Clickable prototypes to validate ideas early, saving time and resources.
UI & Visual Design – Clean, polished, and developer-ready interfaces.
Developer Handoff & Support – Clear guidelines and detailed documentation, enabling smooth implementation.
Great for
• Early-stage startups
• Teams looking to validate product-market fit
• Teams who value user-centric product development
• Teams looking to validate product-market fit
• Teams who value user-centric product development
Duration: 2 weeks
like Netflix for design
Unlimited access to our full UX/UI expertise,
designed for teams that need ongoing flexibility, speed, and consistent results.
designed for teams that need ongoing flexibility, speed, and consistent results.
from
€ 5900/month
cancel anytime
Duration: 2 weeks
What you’ll get
Complete UX/UI Design Services – From strategy and research to prototyping, testing, and final UI design.
Daily Collaboration & Quick Turnaround – Updates every 2–3 days, keeping momentum high.
Flexible & Scalable Support – Adaptable to your evolving business needs.
Seamless Developer Handoffs – Precise documentation and ready-to-use design assets.
Great for
• Growing companies
• Agile product teams
• Businesses with the need for flexible design solutions
• Agile product teams
• Businesses with the need for flexible design solutions
Duration: 2 weeks
Prefer a Fixed Project Price?
No worries. Let us know what you need, and we’ll craft a custom quote just for you.
Compliance made easy
Make your product accessible quickly and easily – with clear recommendations for legal requirements and optimal user-friendliness.
950 €
fixed price / all in
Duration: 2 weeks
What you’ll get
Accessibility Audit – Thorough review of up to 5 key screens or pages.
Prioritized Recommendations – Clear, actionable steps to achieve compliance.
Inclusive Design Guidelines – Practical tips for sustainable accessibility improvements.
Great for
• Compliance-Anforderungen erfüllen
• Nutzerfreundlichkeit und Zugänglichkeit verbessern
• Nutzerfreundlichkeit und Zugänglichkeit verbessern
Duration: 2 weeks
Carina Grobbel
Customer Experience Management | pronova BKK
"userdoo war beim Aufbau unseres neuen Designteams unverzichtbar und hat unsere Arbeitsweise maßgeblich verbessert.
Sie haben uns nicht nur beim bilden des Designteams unterstützt, sondern uns auch dabei geholfen, eine effektive Arbeitsweise in der gesamten Abteilung zu entwickeln.Vielen Dank an Tommy und sein Team!"
Sie haben uns nicht nur beim bilden des Designteams unterstützt, sondern uns auch dabei geholfen, eine effektive Arbeitsweise in der gesamten Abteilung zu entwickeln.Vielen Dank an Tommy und sein Team!"
Dr. Hendrik Braun
CEO | ShopLove
"Tolle Zusammenarbeit! Mit hoher Initiative und Begeisterung für das Produkt konnten nicht nur die bekannten Probleme sauber gelöst werden, sondern auch neue Schwachstellen identifiziert und bearbeitet werden."
David King
Head of Design
MediaMarkt Saturn
“Tommy is a consummate UX / Design professional in every sense. His experience and design thinking leadership enable him to understand any ecosystem to approach solutions on pace with the immediacy most organisations need nowadays.”
Jillian Mayer
MSEB Abteilungsleiterin
MediaMarkt Saturn
"Die herausragenden Aspekte unserer Zusammenarbeit waren der konstant hochwertige Austausch sowie das schnelle und präzise Verständnis für die behandelten Themen."
Eren Goemleksiz
Senior Product Manager
RIO | The Logistics Flow
"A valued partner who constantly challenges the status quo during product development.
They translate customer needs to impressive experiences."
They translate customer needs to impressive experiences."
Christian Dotterweich
CTO & Co Founder
Tradar
"Userdoo stand as invaluable partners for our organization when it comes to product design, user experience.
Their consummate professionalism and profound comprehension of our ecosystems empower them to provide immediate and exceptional solutions."
Their consummate professionalism and profound comprehension of our ecosystems empower them to provide immediate and exceptional solutions."
Luisa Regnery
Digital Product Manager Cisco Placetel
"Tommy von userdoo berät uns im UI- und Prozessdesign sowie bei der Einführung eines User Research Frameworks. Seine Fähigkeit, interne Zusammenhänge schnell zu erfassen und innovative und trotzdem pragmatische Lösungen mit praxisnahen Beispielen vorzuschlagen, hat meine Arbeitsweise bereichert und die Qualität unserer Customer Experience verbessert."
Eva Klopp
Lead UX Designer | Digital Customer Journey ZEISS
"Tommys Fachwissen hat es unserem Team ermöglicht, Designprobleme effizienter und in größerem Umfang anzugehen. Sein verantwortungsvoller, kollaborativer Ansatz machen ihn zu einer unschätzbaren Bereicherung für jedes Designteam, das nach Exzellenz im UX-Design und im Designbetrieb strebt.
Why Userdoo...
... is the right partner for your UX design projects
Result-oriented processes
We deliver measurable results and a clear ROI by implementing targeted design solutions that support your business goals.
Experts for complex user experiences
Userdoo transforms demanding requirements into intuitive solutions that increase your customer loyalty and optimize your efficiency.
Adaptive strategies for your market success
Respond flexibly to market trends and user feedback to keep your products at the forefront of digital progress.
What to expect when working with us
UX design solutions that provide concrete competitive advantages and support corporate goals.
Measurable success and product design that meets real user needs and is seamlessly integrated into development processes.
User-centric
Concepts based on real user feedback, not on assumptions.
UX ❤️ Business
Perfect harmony between business goals and user needs is created to not only increase user satisfaction but also directly positively impact business results.
UX ❤️ DEV
UX solutions perfectly tailored to the workflows of development teams.
Always Live, Always Transparent
Your project dashboard provides real-time updates, access to meeting notes, invoices and direct contacts – all in one place to keep track of everything.
ROI of UX Design
32%
higher sales growth
Companies with outstanding design report 32% higher revenue growth and 56% higher total return to shareholders compared to other companies.
3,4x
higher overall yield
Customer experience leaders achieved a cumulative total return that was 3.4 times higher than that of laggards in the field.
228 %
Increase in value
In the US, the Design Value Index shows a 228% increase in value for publicly traded companies classified as design-oriented.
Design Business Council - "Proving a return on design investment"
1:100
Return
"...on average, for every dollar you spend on UX, you get a 100x return!"
400%
Higher conversions
Companies that used UX and excellent design systems were able to convert 400% more customers on their websites.
135%
ROI in design and development
“We estimate a 135% ROI and a net profit of $900,000 (±225,000) from the design system over a five-year period.”
Projects
intelliAd Media GmbH
intelliAd offers software that helps companies improve the performance of their online marketing activities.
Increased user-friendliness through modernized user interfaces and faster implementation in the DEV teams through the introduction of a new design style guide and pattern libraries.
Increased user-friendliness through modernized user interfaces and faster implementation in the DEV teams through the introduction of a new design style guide and pattern libraries.
UI modernization
Design System
Complex Software
High number of users
GWQ - Service Provider Portal
Portal for central administration of all contracts and maintenance of company information for medical device providers, provider groups and associations.
At the end of the collaboration, we were able to offer a fully integrated service.
At the end of the collaboration, we were able to offer a fully integrated service.
User-centered processes
Design System
Complex application
Digitalization
ZEISS Microscopy - ZEN Blue
Scientists use ZEN Blue to control all ZEISS light microscopy systems.
The improved UX has enabled us to streamline key workflows and address specific user needs.
The improved UX has enabled us to streamline key workflows and address specific user needs.
UX optimization
Modular overhaul
Complex Workflows
High number of users
Datenschutzexperte.de - Proliance 360
Smart data protection management software makes corporate data protection issues simple and understandable.Adaptation of the software to address additional target groups.
Development of a user interface that fits seamlessly into the existing solution.
Development of a user interface that fits seamlessly into the existing solution.
Information architecture
Target group expansion
Complex Software
UI Harmonization
Tradar
Tradar is an investment platform where users can buy and trade officially licensed player tokens.
Design System
Design Thinking
Prototyping
User-centered design
poolinq - wine OS
poolinq enables hospitality, winemakers, retailers and eCommerce to manage, automate and control their daily business in one platform. Wine Business reimagined.
Design System
Omni Channel
Complex Software
User-centered design
UX DESIGN evolution starts here!
