IT Service Providers

Onix-Systems

Ukrainian outsourcing company offering web, mobile and custom software development with US representatives

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TrustList summary

Onix-Systems, now branded Onix, is a Ukrainian outsourcing firm that has operated since 2000. It provides offshore development, and its current site also covers product modernisation and AI-powered engineering.

Older profile text describes US representatives who review client communication and attend first launches, and says all projects are tested on staging servers before delivery.

What Onix-Systems does

Discovery and product strategy: turning a business idea into a technical plan.
UI and UX design: interfaces designed for easy use.
Web development: responsive sites connected to existing systems.
Mobile app development: iOS and Android apps.
Custom software, CRM and ERP: including booking engines and reservation platforms.
Legacy rescue: stabilising and refactoring troubled products.
Business process outsourcing: listed in older profile text.

Clients

Global businesses, with a stated focus on travel and hospitality software among other industries.

Key facts

Based in: Ukraine
Founded: 2000
Source protection: One-way NDAs and consulting contracts cover code and IP

Summary written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

Onix-Systems is ranked on 9 TrustList rankings: #1 on 2, #6 on 2, #15 on 1, #16 on 1, #36 on 1, #38 on 1 and #41 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Onix-Systems has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

It service provider · 9 rankings

#1of 90
Mobile app development › Ukraine
It is one of 2 here listing outsourcing and one of 3 here listing IT outsourcing.
Of the top 64 here, 57 also cover web development and 47 also cover android; 6 also work in Lviv and 5 also work in Kyiv.
Behind Sigma Software Group, ahead of MLSDev.
#1of 77
Android › Ukraine
It is one of 7 here listing quality assurance and one of 9 here listing IoT.
Of the top 57 here, 51 also cover mobile app development and 50 also cover iOS app; 3 also work in Kharkiv, Ukraine and 2 also work in Vinnytsia, Ukraine.
Behind {IT}Prosteer, ahead of Screen Interactive.
#6of 161
Ukraine
It is one of 21 here listing PHP and one of 25 here listing iOS app.
Its profile: “- Based in: Ukraine - Founded: 2000 - Source protection: One-way NDAs and consulting contracts cover code and IP Onix-Systems, now branded Onix, is a Ukrainian outsourcing firm that has operated since 2000.”
Of the top 58 here, 36 also cover web design and 33 also cover e-commerce development; 2 also work in Dnipro, Ukraine.
Behind ELKO, ahead of Screen Interactive.
#6of 149
Outsourcing
It is one of 22 here listing mobile app development and UI/UX design.
Its profile: “Onix-Systems, now branded Onix, is a Ukrainian outsourcing firm that has operated since 2000.”
Of the top 75 here, 54 also cover IT outsourcing and 36 also cover IT services; 4 also work in Delhi NCR.
Behind Ibrowse Consultoria e Informática, ahead of SynapseIndia.
#15of 2399
Android
It is one of 21 here listing software development and one of 62 here listing web design.
Its profile: “- Mobile app development: iOS and Android apps.”
Of the top 100 here, 64 also cover eCommerce and 53 also cover UI/UX design; 7 also work in Ahmedabad and 5 also work in Pune.
Behind SDSol Technologies, ahead of Prakash Software Solutions.
#16of 125
Web development › Ukraine
It is one of 40 here listing android.
Behind Art Lemon, ahead of Lemeor.
#36of 3624
Web development
It is one of 2 here listing quality assurance and one of 4 here listing IT outsourcing.
Its profile: “- Web development: responsive sites connected to existing systems.”
Of the top 94 here, 2 also work in Indore, India.
Behind BACKBONE, ahead of Prakash Software Solutions.
#38of 1433
Software development
It is one of 83 here listing web development.
Its profile: “- Based in: Ukraine - Founded: 2000 - Source protection: One-way NDAs and consulting contracts cover code and IP Ukrainian outsourcing company offering web, mobile and custom software development with US representatives”
Of the top 98 here, 36 also cover custom software development; 2 also work in Kolkata and 2 also work in Mumbai.
Behind 4Geeks Technologies, ahead of MotionMobs, LLC.
#41of 1883
Mobile app development
It is one of 2 here listing outsourcing and one of 3 here listing IT outsourcing.
Its profile: “- Mobile app development: iOS and Android apps.”
Of the top 87 here, 2 also work in Bengaluru, India.
Behind GCD Technologies, ahead of Prakash Software Solutions.