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

U1CORE is a product studio for multi-sided platforms. We design and build the systems where buyers, sellers, and operators meet and transact with trust. $720M+ processed through products we've built.

We're not your vendor. We're the
team that builds the product your business runs on.

We work with:

Empowering growth, innovation, and success through tailored design and development solutions.

  • Founders building their first marketplace

    Founders building their first marketplace

    We take you from zero to first transaction. Strategy, design, and development — built for speed without shortcuts on architecture.

  • Growth-stage platforms

    Growth-stage platforms

    Your product has traction but the architecture wasn't built for what comes next. We redesign the foundation — trust layers, payment flows, seller experience — so the platform scales without breaking.

  • Enterprise teams launching new platforms

    Enterprise teams launching new platforms

    You have the market knowledge. We bring the multi-sided platform expertise. From product strategy to production — one partner, end-to-end.

Our approach is built on values that drive efficiency.

  • 01

    Discovery

    We map the full journey for both sides of your market. User research, competitive audit, trust signal analysis, and payment architecture review. Before anyone opens Figma.

    01
  • 02

    Architecture

    Trust layers, payment flows, dual-sided onboarding, information architecture, and empty state design. The invisible decisions that determine whether the platform converts under real volume.

    02
  • 03

    Design & Build

    UI/UX design systems, web and mobile interfaces, custom software development. Every screen built to reduce friction and build trust — from first visit to first transaction. Then to second.

    03

“We don't ask 'what do you want us to build?' We ask 'what does your business need to be true in 12 months?' — and then we design the product that makes it happen.“

A partnership built on transparency, conviction, and proof.

We come with a recommendation — not a blank canvas. You hire us for our position, not just our hands.

  • Strategy before screens — every project starts with discovery

  • Proof in production — $720M+ processed through our builds

  • Both sides designed — buyer and seller experiences built in parallel

  • One team, end-to-end — design, development, and launch under one roof

Meet our beloved team

Stanislav Kudriavtsev Photo

Stanislav Kudriavtsev

Webflow Developer

Polina Makeienko Photo Polina Makeienko's pet

Polina Makeienko

Marketing Designer

Yuliia Braslavets Photo Yuliia Braslavets's pet

Yuliia Braslavets

Project Manager

Konstantin Rozhalovets Photo

Konstantin Rozhalovets

CTO

Alexander Onyshchenko Photo

Alexander Onyshchenko

UX/UI Designer

Alexander Viktorov Photo

Alexander Viktorov

Business Development Manager

Uliana Luchyk Photo

Uliana Luchyk

UX/UI Designer

Dmytro Kundys Photo

Dmytro Kundys

UX/UI Designer

Volodymyr Hryb Photo Volodymyr Hryb's pet

Volodymyr Hryb

Partnership Manager

Alina Beznosa Photo Alina Beznosa's pet

Alina Beznosa

COO

Daniel Eliseev Photo

Daniel Eliseev

Webflow developer

Yurii Makarchuk Photo

Yurii Makarchuk

Head of Marketing

Maria Karamanets Photo Maria Karamanets's pet

Maria Karamanets

UX/UI Designer

Alex Skyba Photo Alex Skyba's pet

Alex Skyba

Business Development Manager

Taras Oliinyk Photo Taras Oliinyk's pet

Taras Oliinyk

CEO U1CORE

Veronika Savchyk Photo Veronika Savchyk's pet

Veronika Savchyk

Human Resources Manager

Slava Moiseev Photo

Slava Moiseev

Project Manager

Illia Humeniuk Photo

Illia Humeniuk

Vue.js | WordPress Developer

 Anastasiia Kril Photo

Anastasiia Kril

Marketing specialist

Your ultimate go-to-market solution

We're building the team behind the platforms.

Send us your CV and be part of our growing team.

We located

  • Madrid,
    Spain

    P.º de la Castellana, 77, 28046

  • London,
    United Kingdom

    Eagle House, 163 City Rd, EC1V 1NR

  • Estonia,
    Tallinn

    Lasnamäe linnaosa, Tuulemäe tn 5, 11411

Client Growth and Recognition

While our clients' growth is our top priority, receiving awards is a nice bonus.

  • 52+ Reviews on Clutch

  • 37+ Reviews on Goodfirms

  • 31+ Reviews on Designrush

  • 103+ Reviews and Top Rated Plus Badge

  • Top Design Company by Clutch

  • Top Digital Design Company by Clutch

  • Top Digital Design Company by Clutch

  • Top Digital Design Company by Clutch

  • Top HTML5 Development by Clutch

  • Top User Experience Company by Clutch

  • Top Web Developers by Clutch

  • Top Web Developers by Clutch

  • Top WordPress Developers by Clutch

  • Top User Experience Company by Clutch

  • Top User Experience Company by Clutch

  • Top User Experience Company by Clutch

  • Top User Experience Company by Clutch

Let's talk about what your platform needs to be true in 12 months.

Taras Oliinyk Photo

Taras Oliinyk

CEO at U1CORE

Book an introduction call

During this call we do a quick intro and discuss your project and its specific needs.

Tell us more about your project

Share your project details with us, and we'll respond promptly.

Appointment

Let's talk about your project

Book a free consultation with us, so we will frame your product vision and strategy.

hello@u1core.com