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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

    • Efficient Delivery and Quick Turnaround

      Clients highlight U1CORE's efficiency and quick delivery times. Their ability to work swiftly without compromising quality has been a key factor in the success of various projects, especially under tight deadlines.

    • Seamless Integration with Client Teams

      Clients feel U1CORE integrates seamlessly with their teams, acting as an internal partner rather than an outsourced agency. This collaboration enhances project outcomes and strengthens client relationships.

    • Proactive and Collaborative Approach

      U1CORE is praised for their proactive approach and collaboration with clients. They anticipate needs, offer strategic insights, and actively contribute to project success, making them a valued partner rather than just a service provider.

    • 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.

    • 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.

    • 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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    UX/UI Redesign for Rewards & Cashback Platform

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

    "What impressed us most about U1CORE was their ability to balance creativity with usability."

    Oct 3, 2025
    CEO, Rewards & Cashback Platform
    Anonymous
    • Advertising & marketing
    • Montreal, Quebec
    • 1-10 Employees
    • Online Review

    U1CORE redesigned the UI of a rewards and cashback platform's website and app. The team created wireframes and prototypes, built a responsive design, and developed a scalable style guide for future updates.

    UX/UI Redesign for B2B Tech Company

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

    "What impressed us most about U1CORE was their ability to deeply understand our users."

    Oct 2, 2025
    CEO, Spikr
    Paul Rees
    • Advertising & marketing
    • Poole, England
    • 11-50 Employees
    • Online Review

    U1CORE redesigned a B2B tech company's platform UX/UI. The team conducted research, created wireframes and prototypes, designed UI kits, improved navigation flows, and performed user testing.

    UX/UI Design Services for IT Company

    • 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 2, 2025
    COO, DevIT Group
    Alexey Cherevuta
    • Other industries
    • Ukraine
    • 51-200 Employees
    • Online Review

    U1CORE provided UX/UI design services for an IT company. The team was responsible for creating the client's project's UI/UX design, allowing the client's team to handle development and implementation.

    Web & Mobile App Dev & Design for Marketing Company

    • Mobile App Development UX/UI Design Web Development
    • $10,000 to $49,999
    • Apr. - Sep. 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 seamlessly blend creative design with technical expertise."

    Oct 2, 2025
    CEO & Founder, Marketing Company
    Anonymous
    • Advertising & marketing
    • Hertford, England
    • 11-50 Employees
    • Online Review

    U1CORE was hired to develop scalable web and mobile applications for a marketing company. The team created various types of apps, including customer engagement platforms, loyalty systems, and booking services.

    Web Redesign for Strategic Consultancy

    • UX/UI Design Web Design
    • $10,000 to $49,999
    • Mar. - Sep. 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 blend creativity with a data-driven approach."

    Oct 2, 2025
    CEO & Founder, Strategic Consultancy
    Anonymous
    • Advertising & marketing
    • London, England
    • 11-50 Employees
    • Online Review

    U1CORE redesigned a website for a strategic consultancy. The team conducted in-depth research into the client's audience and competition to create a design strategy that emphasized clarity and conversion.

    UI/UX Design for Home Essentials Company

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

    "Their professionalism and responsiveness created a partnership where our needs were not only met but anticipated."

    Oct 1, 2025
    CEO, Home Essentials Company
    Anonymous
    • Other industries
    • Boucherville, Quebec
    • 51-200 Employees
    • Online Review

    U1CORE redesigned a home essentials firm's e-commerce site and digital product catalog. They restructured the navigation flows, reimagined the visual interface, and implemented reusable UI components.

    DeFi Platform Development for Financial Services Company

    • Blockchain Custom Software Development
    • $10,000 to $49,999
    • Feb. 2024 - Aug. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They did very impressive work."

    Sep 19, 2025
    CEO, Holdun
    Brendan Holt Dunn
    • Financial services
    • Bahamas
    • 11-50 Employees
    • Online Review

    U1CORE designed and developed a DeFi platform for a financial services company. The team built the platform's architecture, UI, and smart contracts and then worked on cross-chain applications.

    App, Website & Logo Design for Lead Generation Co

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

    "Everything was super cool."

    Sep 19, 2025
    Founder & CEO, Startupr
    Kirill Onasenko
    Verified
    • Advertising & marketing
    • California, United States
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE designed the landing page and app of a lead generation company. The team created custom layouts, branding, and logo design, and worked on the login, feed, content, profile, and chat pages.

    Product Design for Health Benefits Platform

    • Product Design 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 team combined technical expertise with empathy."

    Sep 17, 2025
    Founder & CEO, Vitable Health
    Joseph Kitonga
    • Other industries
    • Philadelphia, Pennsylvania
    • 51-200 Employees
    • Online Review

    U1CORE provided product design support for a health benefits platform. They assessed the client's web and mobile platforms, identified pain points, redesigned the UX, and created visually engaging interfaces.

    UX/UI Design for IT Company

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

    "U1CORE always has team members available."

    Sep 17, 2025
    CTO, IT Company
    Bruno Mackay
    • Information technology
    • Ontario, Canada
    • 1-10 Employees
    • Online Review

    U1CORE provides UX/UI design services for an IT company. The team has assessed the current pages, recommended improvements, and created an index of all the pages.

    Showing 21-30 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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