Tallium Inc.

Review

★9/10

🇺🇦 Kyiv, Ukraine·100 - 249 employees·Est. 2012·Reviewed Mar 2026

Custom web and mobile app development for startups and enterprises across FinTech, Healthcare, and Education.

Best For

Startups seeking end-to-end product builds, mid-market companies in FinTech or Healthcare, marketplace and social platform projects

Hourly Rate

$25-49/hr

In line with the $37/hr median for software agencies in Ukraine

Min. Project

$10K+

Industries

FinTech, Healthcare, Education

Clients

About Tallium Inc.

Tallium Inc. is a software engineering firm founded in 2012, operating out of Kyiv, Ukraine with an R&D hub in Rzeszow, Poland. The company guides clients through the full product lifecycle from concept and design to development, launch, and ongoing maintenance. Tallium has grown to 100+ engineers and merged with 61 Degrees North to expand its enterprise and FinTech practices across Europe and Scandinavia.

Who Tallium Inc. Is Best For

Startups seeking end-to-end product builds, mid-market companies in FinTech or Healthcare, marketplace and social platform projects.

Why Choose Tallium Inc.

Proactive communication and responsiveness

Full-cycle product ownership

FinTech and Healthcare depth

Flexible team scaling

Strong value for cost

Things to Consider

Speed of delivery can lead to scope misalignment

Design quality occasionally needs extra iteration

Smaller agency with limited bench depth at peak demand

Initial requirements gathering can lack rigor

Less established outside Eastern Europe and Scandinavia

Tallium Inc. Services

Custom Web DevelopmentMobile App DevelopmentUI/UX DesignQA & TestingAI & Machine LearningDedicated Development TeamsProduct Discovery

Selected Work

Nowo — Retirement Savings Platform to IPO

Nowo

Tallium strengthened Swedish fintech Nowo's engineering team to build iOS/Android apps plus admin, accounting and CRM systems — helping the retirement-savings platform scale from startup phase through a successful IPO with 150,000+ users.

View case study

Mangold — Legacy Trading Platform Rebuild

Mangold

Tallium rebuilt Swedish brokerage Mangold's legacy trading solution into a modern investment banking platform — migrating 15K customers, integrating 14 third-party services, switching BaaS providers, and redesigning the UX for clarity and performance.

View case study

Prostor App — 500K+ Download Shopping App

Prostor

Tallium designed and built a mobile shopping app for Ukraine's leading health and beauty retailer Prostor — delivering loyalty, bonuses and barcode scanning that reached 500K+ downloads and new revenue streams.

View case study

Reviews from Google

★4.6/5 (18)

★ 5/5· 9 months ago

Tallium lnc is a highly professional tevh company. From communication yo delivery, everything was handled smoothly. They combine technical excellence with creative thinking a rare and valuable combination.

— Chris James

★ 2/5· a week ago

office is quite comfortable. Thanks for welcome me

— Jason Porter

Reviews sourced from Google

See all 18 reviews on Google

Photos

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