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B2B Full-Cycle Product Development Bureau for SaaS

YOUR PARTNER TO BUILD MULTI-SIDED PLATFORMS

$720M moved through one platform we built. Millions of live listings on another. 300+ products shipped.

🔔 Book a free call: https://calendly.com/hello-u1core/30min

🌐 https://www.u1core.com/

What you get

We do: the full platform. Multi-role flows, payments, trust & safety, admin tooling, infrastructure that holds at peak load.

You get: a product decision-makers trust on first impression, and users who move through it without friction.

  • 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

Service Lines
Select Focus Area
CMS Focus
Adobe Experience Manager CMS
100%
Frameworks and CMS
User Experience Focus
Industries
Sports
20%
Advertising & marketing
15%
Business services
15%
Financial services
15%
Information technology
15%
Consumer products & services
10%
Real estate
10%
Clients
Midmarket ($10M - $1B)
80%
Enterprise (>$1B)
20%
Certified in:
UX/UI Design Web Design UX Strategy User Research

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 projects typically ranging from $7,000 to $25,000. Clients appreciate the value for cost, highlighting effective communication, timely delivery, and high-quality outcomes, making them a reliable choice for UI/UX and development needs.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 64 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 in Process Transparency

    While overall feedback is positive, some clients suggested that U1CORE could provide more visibility into internal design iterations to ensure alignment throughout the creative process.

  • Improvements in Brand Identity and Market Positioning

    Clients have reported enhanced brand identity and market positioning following U1CORE's design interventions, which have helped them communicate their value propositions more effectively.

  • Proactive and Strategic Partner

    U1CORE is recognized for their proactive approach and strategic thinking. They go beyond executing tasks by offering valuable insights and anticipating client needs, which strengthens the overall project outcome.

  • Technical Expertise and Innovation

    U1CORE's technical expertise and innovative solutions are frequently praised. They effectively combine creativity with technical precision, ensuring that design decisions serve clear business purposes.

  • Effective Project Management

    Clients highlight U1CORE's effective project management, with well-organized processes and clear milestones. Their structured approach ensures that projects are completed efficiently and transparently.

  • Flexible and Adaptive to Changes

    U1CORE has demonstrated flexibility in accommodating changes and additional requests without compromising project timelines or quality. Clients appreciate their ability to adapt quickly to evolving project requirements.

U1CORE - UI/UX and Dev Partner Reviews

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Industry
Location

UX/UI Design for 3D Modeling & Digital Objects Co

  • UX/UI Design
  • $50,000 to $199,999
  • Apr. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"What we find most impressive is their ability to design for something that doesn’t yet fully exist in the mainstream."

Mar 25, 2026
Technical Founder, NAK3D
Kelly Vero
  • Information technology
  • Aarau, Switzerland
  • 1-10 Employees
  • Online Review

U1CORE provides UX/UI design services for a 3D modeling and digital objects company. The team has redesigned user journeys, created high-fidelity interface designs, and built interactive prototypes.

UX/UI Design for Industrial Fasteners Company

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

"Their attention to detail and willingness to truly understand our needs set them apart."

Mar 25, 2026
IT Manager, Accurate Group of Companies
Adam Soliman
  • Supply Chain, Logistics, and Transport
  • Toronto, Ontario
  • 201-500 Employees
  • Online Review

U1CORE provided UX/UI design and development services for an industrial fasteners company. The team created a new interface system, introduced advanced filtering and search features, and built prototypes.

UX/UI Design for Venture Capital Syndicate

  • UX/UI Design
  • $50,000 to $199,999
  • Feb. 2024 - Jan. 2026
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 balance strategic thinking with execution."

Mar 23, 2026
General Partner, EVOLVIA
Roman Fernandez
  • Other industries
  • Berlin, Germany
  • 1-10 Employees
  • Online Review

U1CORE provided UX/UI design for a venture capital syndicate. The team redesigned the client's platform, including user journey mapping, wireframing, visual design systems, and high-fidelity prototypes.

UI/UX Design for Software Solutions Company

  • UX/UI Design
  • UX Strategy
  • Confidential
  • February 2026
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"U1CORE's communication and speed were impressive."

Mar 4, 2026
CEO, Altra Labs
Fifunmi Familusi
  • Information technology
  • United States
  • 1-10 Employees
  • Online Review

U1CORE provided UI/UX design services for a software solutions company. The team optimized UI designs and UX workflows and delivered final design files.

Branding Services for Real Estate Investment Group

  • Branding
  • Less than $10,000
  • Jan. - Feb. 2026
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their process, communication, and collaboration were of the highest professional level."

Feb 18, 2026
Chief Investment Officer, Tomorrow Invesment Group
Jake Schneider
  • Real estate
  • Breckenridge, Colorado
  • 1-10 Employees
  • Online Review

U1CORE developed a brand identity for a real estate investment group. The goal was to create a unique identity that was strong, a little retro, and energetic.

Website Redesign for Media Production Company

  • Web 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

"U1CORE delivered a website that exceeded expectations in both aesthetics and business value."

Oct 6, 2025
CEO, DIVE
Deborah Hall
  • Advertising & marketing
  • Ontario, Canada
  • 11-50 Employees
  • Online Review

U1CORE redesigned a media production company's website. The team analyzed the client's site, designed a new interface, created interactive case studies, and optimized the site for cross-platform browsers.

UI/UX Design Services for Design Company

  • UX/UI Design
  • $10,000 to $49,999
  • Apr. - 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 aesthetic sensitivity with functional precision."

Oct 6, 2025
CEO, Design Company
Anonymous
  • Other industries
  • Copenhagen, Denmark
  • 51-200 Employees
  • Online Review

U1CORE was hired by a design company to enhance their digital presence through microinteractions and motion design. The team created an animated interface prototype and a motion design system for the client.

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
  • UX Strategy
  • $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.

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
32
Overall Review Rating
5
Source
Clutch
Last Updated
June 29, 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

1

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