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B2B Full-Cycle Product Development Bureau for SaaS

U1CORE — A product studio for multi-sided platforms.  We design and build the systems where buyers, sellers, and operators

We specialize in delivering end-to-end services that cover design, marketing, ideation, content, development, strategy, motion, creativity and advertising

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    Madrid, Spain
  • Year founded
    Founded 2019
  • Languages
  • Timezones

Overview by:

Reviewer avatar
Taras Oliinyk

1 Language that we service

  • English

28 Timezones that we service

ACT
Australia Central Time (ACT)
AGT
Argentina Standard Time (AGT)
AKST
Alaska Standard Time (AKST)
ART
(Arabic) Egypt Standard Time (ART)
AST
Arabia Standard Time (AST)
AET
Australia Eastern Time (AET)
BST
Bangladesh Standard Time (BST)
BET
Brazil Eastern Time (BET)
CAT
Central African Time (CAT)
CET
Central European Time (CET)
CNT
Canada Newfoundland Time (CNT)
COT
Colombia Time (COT)
CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)
EET
Eastern European Time (EET)
GMT
Greenwich Mean Time (GMT)
IDT
Israel Daylight Time (IDT)
IST
India Standard Time (IST)
JST
Japan Standard Time (JST)
MET
Middle East Time (MET)
MST
Mountain Standard Time (MST)
NET
Near East Time (NET)
NST
New Zealand Standard Time (NST)
PST
Pacific Standard Time (PST)
SGT
Singapore Standard Time (SGT)
SST
Solomon Standard Time (SST)
UTC
Universal Coordinated Time (UTC)
VST
Vietnam Standard Time (VST)

1 Locations

  • Madrid , Spain

No have been added yet...

    Pricing Snapshot

    Min. project size $25,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 5 /5

    What Clients Have Said

    U1CORE offers competitive pricing with good value for cost, as highlighted in multiple reviews. Project costs vary, with some clients investing around €7,000 to $25,000. Clients consistently praised their timely delivery and responsiveness, indicating a strong alignment of budget and expectations.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 61 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    U1CORE - UI/UX and Dev Partner Review Insights

    Overall Review Rating

    5.0
    • Quality 5.0
    • Schedule 5.0
    • Cost 5.0
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Areas for Improvement

      A few clients noted areas for improvement, such as providing clearer guidance on long-term UX evolution and better managing timelines and budgets in some cases.

    • Responsive and Flexible Team

      U1CORE was praised for their flexibility and responsiveness, adapting to client needs and feedback efficiently. This adaptability contributed to the success of many projects.

    • Proactive and Strategic Approach

      U1CORE was noted for their strategic thinking, often providing proactive solutions and suggestions that enhanced project outcomes. They were seen as true partners rather than just service providers.

    • Significant Project Successes

      U1CORE consistently delivered successful projects, boosting metrics like conversion rates, engagement, and user satisfaction across various sectors, including real estate, fintech, and e-commerce.

    • Strong UX/UI Design Expertise

      Clients praised U1CORE for their UX/UI design skills, which improved user engagement and satisfaction. Their designs were often described as modern, intuitive, and aligned with business goals.

    • High Client Satisfaction

      Clients expressed high satisfaction with U1CORE's work, noting their ability to understand and meet business needs effectively. Many clients reported improved business metrics and positive feedback from end-users.

    U1CORE - UI/UX and Dev Partner Reviews

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    UI/UX Design Services for Talent Acquisition Firm

    • UX/UI Design
    • $10,000 to $49,999
    • Apr. - July 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "What stood out to us was how U1CORE approached the work as a true partnership."

    Oct 1, 2025
    Marketing Manager, Onhires
    Yulia Nekrasova
    Verified
    • Other industries
    • Estonia
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE was hired by a talent acquisition firm to develop practical use cases that demonstrate real-world applications of their product. The goal was to highlight the company's technical capabilities.

    UX/UI Design for Beauty & Cosmetics Company

    • UX/UI Design
    • $10,000 to $49,999
    • Mar. - Aug. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "What stood out most about U1CORE was their ability to merge creativity with technical precision."

    Sep 24, 2025
    Product Development Manager, Beauty & Cosmetics Company
    Anonymous
    Verified
    • Other industries
    • Auckland, New Zealand
    • 51-200 Employees
    • Online Review
    • Verified

    U1CORE provided UX/UI design services for a beauty and cosmetics company. The team analyzed the brand's current digital platforms and designed layouts that adapt to different screen sizes.

    UI/UX Design for Branding Agency

    • Branding UX/UI Design
    • $10,000 to $49,999
    • Jan. - Aug. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I am continually impressed with the quality, communication, and value they consistently provide."

    Sep 18, 2025
    Owner, Hardy Brands
    Megan Armstrong wold
    Verified
    • Advertising & marketing
    • Bozeman, Montana
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE provided UI/UX design services for a branding agency. The team was tasked with creating high-fidelity screens with modern and clean designs for the client's mobile app.

    UI/UX Design for HealthTech Firm

    • UX/UI Design
    • $10,000 to $49,999
    • Mar. - Aug. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their collaborative approach ensured that every solution was tailored, scalable, and impactful."

    Sep 17, 2025
    Co-Founder/CEO, HealthTech Firm
    Anonymous
    Verified
    • Other industries
    • Canada
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE optimized the UI/UX of a healthtech firm. The team conducted in-depth research, identified pain points, improved the UX framework, refreshed the UI design system, and redesigned the full patient flow.

    Web Dev for Healthcare Design Solutions Company

    • UX/UI Design Web Development
    • Less than $10,000
    • August 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "What impressed me most was the team's deep understanding of both design and product strategy."

    Aug 27, 2025
    Founder & CEO, Healthcare Design Solutions Company
    Karyna Bondarenko
    Verified
    • Other industries
    • Ukraine
    • 1-10 Employees
    • Online Review
    • Verified

    U1CORE redesigned a Web3 product website for a healthcare design solutions company. The team updated the site architecture and wireframes, created a modular design system, and built responsive layouts.

    UI/UX Design for Technology Company

    • UX/UI Design Web Design
    • $10,000 to $49,999
    • Feb. - Apr. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The team was proactive, thoughtful, and consistently on point."

    May 13, 2025
    Co-Founder, Menter
    Konstantin Semenenko
    Verified
    • Other industries
    • Paris, France
    • 1-10 Employees
    • Online Review
    • Verified

    U1CORE designed the UI/UX of a Web3 platform for a technology company. The goal was to create a modern, visually engaging design that reflected the client's brand identity and was responsive and scalable.

    UX/UI Design & Branding for Custom Software Dev Company

    • Product Design UX/UI Design Web Design
    • Less than $10,000
    • Jan. - Feb. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They don't just make beautiful designs, but deeply analyze business goals and create solutions that actually work."

    Mar 21, 2025
    Owner, Beehive Logic
    Rostyslav Pylypiv
    Verified
    • Other industries
    • Ukraine
    • 1-10 Employees
    • Online Review
    • Verified

    U1CORE provided UI/UX design and branding services for a custom software development company. The team was responsible for conducting research and analysis, creating design concepts, and delivering materials.

    Web Design & Development for Solar Solutions Company

    • Web Design Web Development
    • Less than $10,000
    • Feb. - Mar. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They exceeded expectations and have been a valuable long-term partner."

    Mar 15, 2025
    CEO, Greenday Finance
    Boris Piskun
    Verified
    • Financial services
    • Laguna Beach, California
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE designed and developed a website from scratch using WordPress for a solar solutions company. The team incorporated some existing code and improved the site's structure and functionality.

    UX/UI Design Services for Business Incubator

    • Product Design UX/UI Design
    • $50,000 to $199,999
    • Nov. 2024 - Feb. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They see beyond the project itself, embracing the vision and legacy behind it."

    Feb 28, 2025
    VP, Khalifa Group
    Belal Khalifa
    Verified
    • Other industries
    • Dubai, United Arab Emirates
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE designed software and e-commerce landing pages for a business incubator. The team also provided branding services. The client engaged U1CORE for multiple redesign projects.

    Website Design & Dev Services for Web & Mobile Dev Company

    • UX/UI Design Web Design Web Development
    • $10,000 to $49,999
    • Aug. - Oct. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We were particularly impressed by their meticulous attention to detail and unwavering commitment to quality."

    Dec 11, 2024
    Co-Founder, Software Company
    Oleksandr Harahan
    Verified
    • Other industries
    • Ukraine
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE developed a website for a web and mobile development company. The team designed a user-friendly interface and implemented additional design features t improve the overall UX.

    Digital Product Subscription

    🎯 Your Flexible Design Department That Scales With Your Business Perfect for: Startups and companies that need consistent, high-quality design without hiring in-house. Product teams that value speed, flexibility, and constant designer availability. Teams looking to scale design output without adding management overhead.

    Small

    Perfect for early-stage startups or small teams

    $3,800 /month
    • UI Design
    • 1 active request at a time
    • 2–3 day average turnaround
    • Unlimited queued requests
    • Services:

    Large

    For companies that need even more

    $9,999 /month
    • Unlimited queued requests
    • 1-day onboarding
    • Cancel anytime
    • 75% refund after the first week if unsatisfied
    • Custom number of active requests
    Features

    Small

    $3,800

    /mo

    Medium

    $4,900

    /mo

    Large

    $9,999

    /mo

    UI Design

    1 active request at a time

    2–3 day average turnaround

    Unlimited queued requests

    Services:

    1-day onboarding

    Cancel anytime

    75% refund after the first week if unsatisfied

    Up to 3 active requests at a time

    1–2 day average turnaround

    All services from BASIC + more:

    Priority support

    Daily updates, demos & progress tracking

    Monthly strategy call

    Unlimited team members

    Unlimited revisions

    Dedicated dashboard

    Custom number of active requests

    Team assembled specifically for your needs (designers, devs, PMs)

    Integration into your internal tools (Slack, ClickUp, Notion, Trello, etc.)

    Ability to work in a hybrid setup with your in-house team

    Custom terms for NDA, priority, reporting, and invoicing

    Select only specific services if needed

    Everything from PRO + extras like:

    Small

    $3,800

    /mo

    UI Design

    1 active request at a time

    2–3 day average turnaround

    Unlimited queued requests

    Services:

    1-day onboarding

    Cancel anytime

    75% refund after the first week if unsatisfied

    Up to 3 active requests at a time

    1–2 day average turnaround

    All services from BASIC + more:

    Priority support

    Daily updates, demos & progress tracking

    Monthly strategy call

    Unlimited team members

    Unlimited revisions

    Dedicated dashboard

    Custom number of active requests

    Team assembled specifically for your needs (designers, devs, PMs)

    Integration into your internal tools (Slack, ClickUp, Notion, Trello, etc.)

    Ability to work in a hybrid setup with your in-house team

    Custom terms for NDA, priority, reporting, and invoicing

    Select only specific services if needed

    Everything from PRO + extras like:

    Medium

    $4,900

    /mo

    UI Design

    1 active request at a time

    2–3 day average turnaround

    Unlimited queued requests

    Services:

    1-day onboarding

    Cancel anytime

    75% refund after the first week if unsatisfied

    Up to 3 active requests at a time

    1–2 day average turnaround

    All services from BASIC + more:

    Priority support

    Daily updates, demos & progress tracking

    Monthly strategy call

    Unlimited team members

    Unlimited revisions

    Dedicated dashboard

    Custom number of active requests

    Team assembled specifically for your needs (designers, devs, PMs)

    Integration into your internal tools (Slack, ClickUp, Notion, Trello, etc.)

    Ability to work in a hybrid setup with your in-house team

    Custom terms for NDA, priority, reporting, and invoicing

    Select only specific services if needed

    Everything from PRO + extras like:

    Large

    $9,999

    /mo

    UI Design

    1 active request at a time

    2–3 day average turnaround

    Unlimited queued requests

    Services:

    1-day onboarding

    Cancel anytime

    75% refund after the first week if unsatisfied

    Up to 3 active requests at a time

    1–2 day average turnaround

    All services from BASIC + more:

    Priority support

    Daily updates, demos & progress tracking

    Monthly strategy call

    Unlimited team members

    Unlimited revisions

    Dedicated dashboard

    Custom number of active requests

    Team assembled specifically for your needs (designers, devs, PMs)

    Integration into your internal tools (Slack, ClickUp, Notion, Trello, etc.)

    Ability to work in a hybrid setup with your in-house team

    Custom terms for NDA, priority, reporting, and invoicing

    Select only specific services if needed

    Everything from PRO + extras like:

    Our Story

    We transform successful products into unicorns.

    We are the growth partner that turns your existing product into a scalable revenue machine. Through a combination of enterprise-grade development, specialized design, and targeted Go-To-Market strategy, we help established businesses capture market share and accelerate growth.

    • 300+ Projects: From mid-market to enterprise scale.
    • $20M+ Revenue: Quantifiable success for our clients.
    • High Retention: 9 out of 10 clients come to us through recommendation

    Meet the Team

    U1CORE Bureau

    U1CORE BureauTeam

    U1CORE: UX Product Design & Development Services for SaaS, FinTech, Web3 & AI At U1CORE, we specialize in transforming innovative ideas into high-performing digital products. As a B2B Product Design & Development Powerhouse, we create seamless user

    Taras Oliinyk

    Taras OliinykCEO

    🚀 CEO at U1CORE | Elevating Startups to Market Leadership with Strategic Design 🔥 As the CEO of U1CORE, I lead a design powerhouse, not just any agency. With over five years of collective experience, our team of UI/UX wizards uses an insatiable hu

    Oleksandr Viktorov.

    Oleksandr Viktorov.BDM

    Yulia Braslavets

    Yulia BraslavetsPM

    PM at U1CORE | Keeping projects on track, teams aligned, and clients happy. Turning complex briefs into smooth workflows and delivered results — on time, every time.

    What Sets Us Apart

    Built for Growth-Stage Products

    We specialize in startups and scale-ups that need more than a pretty interface — they need a product that converts, retains, and grows. Our work is designed to perform, not just to impress.

    End-to-End Ownership

    From the first discovery call to the final handoff, we own the entire process. No handoffs to mystery subcontractors, no gaps between design and development. One team, full accountability, consistent quality throughout.

    Strategy-First

    We don't just make things look good — we make them work. Every decision at U1CORE is rooted in business strategy, user psychology, and real market context. We ask the hard questions before opening Figma.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    29
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    May 4, 2026

    Business Entity

    Business Entity Name UN1CORN Bureau OÜ
    Source Estonia e-Business Register
    Jurisdiction of Formation Estonia
    Date of Formation April 16, 2025
    Status Active
    Last Updated August 3, 2025
    ID 17222302

    Credit Report Results

    International Credit Risk Assessment Not Rated
    Source Creditsafe
    Last Updated August 9, 2025

    *Clutch performed additional verification on this company and confirmed that there are no negative legal filings or large outstanding debts. This company has also received 3 or more verified reviews on our platform.

    Learn More About The Clutch Verification Process

    Locations (1)

    Paseo de la Castellana 77 MadridSpain 28046

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