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B2B Full-Cycle Product Development Bureau for SaaS

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
    $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

    • 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.

    • 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.

    • 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.

    • 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.

    • 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.

    • Excellent Project Management

      U1CORE maintained structured and transparent project management, delivering on time and staying within budget. They were proactive, responsive, and ensured smooth collaboration.

    U1CORE - UI/UX and Dev Partner Reviews

    Submit a Review
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    Project Cost
    Industry
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    Web Dev for Blockchain Dev Company

    • Web Design Web Development
    • $50,000 to $199,999
    • Feb. - Apr. 2026
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Working with them gave us the feeling that we have a true technology partner, not just a service provider."

    May 4, 2026
    SalesOps Manager, Peiko
    Hanna Vasylchenko
    Verified
    • Information technology
    • Estonia
    • 51-200 Employees
    • Online Review
    • Verified

    U1CORE - UI/UX and Dev Partner developed a platform for a blockchain development company. They built a property listing module, integrated a client dashboard, and added a blog and resources section.

    Web Dev & Design for AI Solutions Company

    • UX/UI Design Web Design Web Development
    • $50,000 to $199,999
    • Jan. - May 2026
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "What truly set them apart was their deep focus on UX strategy even before they wrote a single line of code."

    May 4, 2026
    Co-Founder, DestiLabs
    Iryna Yurchenko
    Verified
    • Business services
    • Lisbon, Portugal
    • 1-10 Employees
    • Online Review
    • Verified

    U1CORE - UI/UX and Dev Partner designed and developed a new corporate website for an AI solutions company's client. The team created the UX/UI design and developed the front end using React.

    Web Design & Dev for SEO Company

    • UX/UI Design Web Development
    • $10,000 to $49,999
    • June 2025 - Jan. 2026
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We were most impressed by their ability to combine strategic thinking with practical implementation."

    Feb 18, 2026
    Sales Manager, Equinox Dynamics
    Vitaliy Kryvoruchko
    Verified
    • Advertising & marketing
    • Aveiro, Portugal
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE designed and developed a WordPress news website for an SEO company. The team conducted UX research, analyzed competitors, created mockups, and built an SEO-oriented site.

    Web UX/UI Redesign for Mobile Product Development Company

    • UX/UI Design Web Design
    • Less than $10,000
    • Jan. - Feb. 2026
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "What impressed us most was how U1CORE combines strategic thinking with design implementation."

    Feb 13, 2026
    Business Assistant, LYQX
    Yaryna Vdovyn
    Verified
    • Information technology
    • San Francisco, California
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE provided UX/UI redesign services for a mobile product development company. The team redesigned the client's website, improving the user journey and the online presentation of their products.

    Branding Services for Motion Design Company

    • Branding Web Design
    • $10,000 to $49,999
    • Dec. 2025 - Jan. 2026
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their creativity and strategic thinking were top-notch."

    Feb 2, 2026
    CEO, Impact Frames
    Nikita Skopych
    Verified
    • Advertising & marketing
    • Valencia, Spain
    • 1-10 Employees
    • Online Review
    • Verified

    U1CORE developed a brand strategy for a motion design company. The team conducted in-depth research to define the client's market position, create resonant messages, and provide a set of brand guidelines.

    E-Commerce Development for Software Dev Company

    • E-Commerce Development UX/UI Design
    • $10,000 to $49,999
    • Oct. - Nov. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The most impressive aspect of U1CORE was their ability to provide flexible changes at no additional cost."

    Nov 27, 2025
    COO, CodePhusion
    Myroslav Syrko
    Verified
    • Other industries
    • London, England
    • 11-50 Employees
    • Online Review
    • Verified

    U1CORE developed a WordPress e-commerce website for a custom software development company's end customer. The team created wireframes, integrated e-commerce features, and built a site with a user-friendly UI.

    Website Design & Development for Email Marketing Agency

    • UX/UI Design 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 delivered exactly what was promised and exceeded expectations."

    Nov 12, 2025
    CEO, Inboxio
    Andrii Pohibko
    Verified
    • Advertising & marketing
    • Kyiv, Ukraine
    • 1-10 Employees
    • Online Review
    • Verified

    U1CORE designed and developed a website for an email marketing agency. The team aimed to create a professional and modern site that reflected the brand, was mobile-optimized, and scalable for future growth.

    UI/UX Design for IT Agency

    • UX/UI Design
    • Less than $10,000
    • Apr. 2025 - Ongoing
    4.5
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    "We've had quite a few very good collaborations with U1CORE and have had an excellent experience so far."

    Nov 3, 2025
    Co-Founder, PLEPO
    Eugene Chumak
    Verified
    • Information technology
    • Riga, Latvia
    • 1-10 Employees
    • Phone Interview
    • Verified

    U1CORE has provided UI/UX design services for an IT agency's e-commerce platform and end clients. The team has made suggestions to improve the platform's CRO and made product and collection page improvements.

    UX/UI Design for Digital Marketing 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 was their ability to combine creativity with a deep understanding of business outcomes."

    Oct 3, 2025
    CEO, Digital Marketing Company
    Anonymous
    Verified
    • Advertising & marketing
    • Winnipeg, Manitoba
    • 1-10 Employees
    • Online Review
    • Verified

    U1CORE provided UX/UI design services for a digital marketing company. They designed an interactive lead generation tool. Their work included conducting UX research, creating wireframes, and designing UI.

    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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