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B2B product design company for SaaS, AI, and Web3

U1CORE — B2B Full-Cycle Product Development Bureau for Innovative SaaS Brands

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

FinTech, Web3 & AI and more!

  • Min project size
    $5,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    Tallinn, Estonia
  • 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)

3 Locations

  • Tallinn , Estonia
  • Warszawa , Poland
  • Ternopil , Ukraine

No have been added yet...

    Pricing Snapshot

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

    What Clients Have Said

    U1CORE offers competitive pricing with high value for cost, evidenced by projects ranging from €7,000 to $25,000. Clients emphasized their flexibility, timely delivery, and effective communication, contributing to improved user engagement and conversion rates.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

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

    Select a service to see pricing information

    U1CORE 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

    • Effective Communication and Responsiveness

      U1CORE maintains effective communication throughout project lifecycles, using various tools to keep clients informed and engaged. Their responsiveness to feedback and adjustments ensures alignment with client expectations.

    • High Client Satisfaction and Repeat Business

      Clients report high satisfaction with U1CORE's work, noting increased conversion rates and repeat business. Their solutions are aligned with client needs, providing value through strategic design and technical execution.

    • High-Quality Design and Strategic Alignment

      U1CORE consistently delivers high-quality designs that align with client brand and business strategies. Their strategic thinking and design execution have significantly impacted client engagement and satisfaction.

    • Room for Improvement in Budget Management

      While U1CORE is praised for their project delivery, some clients noted occasional budget overruns. Improving budget management could enhance their already strong project execution and client satisfaction.

    • Expertise in UI/UX and Web Development

      U1CORE has consistently demonstrated expertise in UI/UX design and web development. Clients praised their ability to create intuitive, user-friendly interfaces and optimize user experience across platforms, leading to improved engagement and conversion rates.

    • Strong Project Management Skills

      U1CORE's project management has been commended for being structured, transparent, and responsive. They consistently meet deadlines and maintain open communication, ensuring projects are completed efficiently and to client specifications.

    U1CORE Reviews

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    Project cost

    UI/UX Design for Strategic Software Consultancy

    • 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

    "They embed themselves into the workflow, ensuring products continuously evolve."

    Sep 15, 2025
    CEO, Strategic Software Consultancy
    Anonymous
    • Other industries
    • Palo Alto, California
    • 11-50 Employees
    • Online Review

    U1CORE provided UI/UX design support to a strategic software consultancy. The team ensured consistent design quality, executed iterative UI/UX enhancements, and implemented usability-focused updates.

    UX/UI Design for Pet Food 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 go beyond design execution and act as a true strategic partner."

    Sep 15, 2025
    Founder, Pet Food Company
    Anonymous
    • Consumer products & services
    • New York City, New York
    • 51-200 Employees
    • Online Review

    U1CORE provided web design services for a pet food company. The team conducted an accessibility audit of the client's website and subscription platform and then re-architected the site's responsive layouts.

    Website Redesign for WordPress Dev Co

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

    "The result exceeded our expectations many times over."

    Aug 21, 2025
    Business Assistant, WordPress Dev Co
    Anonymous
    • Other industries
    • Ukraine
    • 11-50 Employees
    • Online Review

    U1CORE redesigned a website for a WordPress development company. The team conducted research, developed a clear information architecture, explored multiple visual concepts, and designed a modern interface.

    Website Redesign for Automated Daycare Waitlist Solution

    • UX/UI Design
    • Less than $10,000
    • June - Aug. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They were great communicators and really detail-oriented!"

    Aug 21, 2025
    Executive, WeeWait
    Anonymous
    • Other industries
    • Hamilton, Ontario
    • 1-10 Employees
    • Online Review

    U1CORE redesigned a website for an automated daycare waitlist solution. The team added new features to the site, updated the color palette, and created a flyer for the client's advertising campaign.

    UX/UI Design for IT Services Company

    • UX/UI Design
    • Less than $10,000
    • Mar. - May 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They challenged assumptions, brought clarity to complex ideas, and approached our product as if it were their own."

    Jul 30, 2025
    Head of Marketing, IT Services Company
    Anonymous
    • Other industries
    • Ukraine
    • 11-50 Employees
    • Online Review

    U1CORE provided UX/UI design services for an IT services company. The team created a complete UI system with responsive layouts and components and built interactive prototypes for testing.

    Web App Design for SEO Company

    • Graphic Design Product Design Web Design
    • Confidential
    • Jan. - Mar. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "What stood out most was their precision and dedication to excellence."

    Jun 16, 2025
    Employee, MarTraff
    Yaremenko Oleksandr
    • Advertising & marketing
    • Kyiv, Ukraine
    • 1-10 Employees
    • Online Review

    U1CORE was hired to design a web app for an SEO company. Based on the client's design system, the team created a user-friendly UI and implemented a responsive design with various custom features.

    AI Dev, Product & UX/UI Design for Web Dev Co

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

    "Their blend of technical expertise, design sensibility, and business acumen is rare."

    May 21, 2025
    Executive, Artilab
    Anonymous
    • Information technology
    • City of London, England
    • 11-50 Employees
    • Online Review

    U1CORE developed a product for a web development company. The team refined the client's product strategy, AI-driven feature concepts, and UX redesigns.

    Branding & Web Design for Product Design Co

    • Branding Graphic Design Web Design
    • Confidential
    • Jan. - May 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We’re very happy with the outcome and the process."

    May 14, 2025
    CEO, Product Design Co
    Anonymous
    • Other industries
    • Tallinn, Estonia
    • 1-10 Employees
    • Online Review

    U1CORE provided branding and web design services for a product design company. The team created the client's visual identity and style guide and designed wireframes, mock-ups, and prototypes for a website.

    Product Design for UX/UI Design Studio

    • Product Design
    • Less than $10,000
    • March 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their product design process was beautifully structured and deeply strategic."

    Apr 9, 2025
    Manager, Varti Studio
    Anonymous
    • Other industries
    • Ukraine
    • 1-10 Employees
    • Online Review

    U1CORE provided product design support for a UX/UI design studio. They designed a mobile app for an end client.

    Mobile App Design for Software Company

    • Mobile App Development Product Design UX/UI Design
    • Less than $10,000
    • Jan. - Mar. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their pace of work was great."

    Mar 28, 2025
    Founder, Software Company
    Anonymous
    Verified
    • Other industries
    • Kyiv, Ukraine
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE designed a mobile app for a software company. The team worked on the app's design language and branding guidelines and prepared the Figma design document for the developer handoff.

    Showing 31-40 of 53 Reviews

    Our Story

    We are a team that builds successful Go-To-Market solutions.

    Developing customized Go-To-Market strategies that drive product success
and accelerate growth in competitive markets.

    We are your design and development team even though we’re an outsourced partner.

    300+ successful projects

    8/10 clients come by recommendation

    $20m generated revenuw for our clients

    Design collaboration that ensures quality, comfort, and predictable results

    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

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

    Learn More
    Verified Client Reviews
    23
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    November 27, 2025

    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 (3)

    5 Tuulemäe tänav TallinnEstonia 11411

    10 - 15

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