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We Provide Full Scope Mobile Development Expertise

Onix is a full-cycle software development company that builds well-suited solutions to drive company outcomes for startups, small and medium-sized businesses.

1100+  Successfully delivered projects
23+  Years of experience in software development
55+ Countries represented by clients
370+ Talented multi‑dimensional experts

  • Min project size
    $10,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    250 - 999
  • Locations
    Kropyvnytskyi, Ukraine
  • Year founded
    Founded 2000
  • Languages
  • Timezones

2 Languages that we service

  • English
  • Ukrainian

38 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)
CTT
China Taiwan Time (CTT)
EAT
Eastern African Time (EAT)
EST
Eastern Standard Time (EST)
EET
Eastern European Time (EET)
GMT
Greenwich Mean Time (GMT)
GST
Gulf Standard Time (GST)
HST
Hawaii Standard Time (HST)
IDT
Israel Daylight Time (IDT)
IET
Indiana Eastern Standard Time (IET)
IST
India Standard Time (IST)
JST
Japan Standard Time (JST)
MET
Middle East Time (MET)
MIT
Midway Islands Time (MIT)
MST
Mountain Standard Time (MST)
NET
Near East Time (NET)
NST
New Zealand Standard Time (NST)
PNT
Phoenix Standard Time (PNT)
PRT
Puerto Rico and US Virgin Islands Time (PRT)
PST
Pacific Standard Time (PST)
PLT
Pakistan Lahore Time (PLT)
SAST
South African Standard Time (SAST)
SGT
Singapore Standard Time (SGT)
SST
Solomon Standard Time (SST)
UTC
Universal Coordinated Time (UTC)
VST
Vietnam Standard Time (VST)

3 Locations

  • Kropyvnytskyi , Ukraine
  • Poznań , Poland
  • Bratislava , Slovakia

Select Focus Area
Application Platforms
Linux server
40%
Amazon Application Development Framework
20%
Heroku
20%
Windows server
20%
AI Technologies & Models
Open AI GPT-3
40%
GPT-Neox
20%
AI2
10%
Deepmind Gopher
10%
Facebook OPT
10%
Hugging Face Bloom
10%
AR/VR Development Focus
DevOps Focus
DevOps CI/CD Services
20%
DevOps Consulting
20%
DevOps Maturity Audits
20%
Devops Assessment & Strategy Planning
20%
Release & Version Management
20%
Frameworks and CMS
Programming & Scripting
Objective C
10%
PHP
10%
Python
10%
Redux
10%
Ruby
10%
SQL
10%
Typescript
5%
Industries
Medical
25%
Financial services
15%
Education
10%
Hospitality & leisure
10%
Other industries
10%
Real estate
10%
Sports
10%
eCommerce
10%
Clients
Midmarket ($10M - $1B)
40%
Enterprise (>$1B)
30%
Small Business (<$10M)
30%

Pricing Snapshot

Min. project size $10,000+
Avg. hourly rate $25 - $49 /hr
Rating for cost 4.8 /5

What Clients Have Said

Onix-Systems is praised for its competitive pricing and strong value for cost, with projects typically ranging from $5,000 to $192,000. Clients highlight efficient project management and adaptability, often noting that the quality of work exceeds expectations relative to investment.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 40 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Onix-Systems Review Insights

Overall Review Rating

4.8
  • Quality 4.8
  • Schedule 4.8
  • Cost 4.8
  • Willing to Refer 4.8

Top Mentions

Review Highlights

  • Flexibility in Scaling Teams

    Onix-Systems demonstrates flexibility in scaling their teams according to project needs, which clients find beneficial for addressing changing requirements and priorities.

  • Proactive in Addressing Feedback

    Onix-Systems is proactive in addressing client feedback, making necessary adjustments to ensure project success and client satisfaction.

  • Positive Long-term Relationships

    Several clients have maintained long-term relationships with Onix-Systems, indicating satisfaction with their services and a willingness to continue collaboration on future projects.

  • Innovative Problem-Solving

    Onix-Systems is recognized for their innovative approach to problem-solving, often exceeding client expectations by addressing complex challenges with creative solutions.

  • Challenges with Communication

    Some clients experienced communication barriers, particularly language issues, which occasionally led to misunderstandings and project delays. Improved clarity in communication could enhance client satisfaction.

  • High Technical Competence

    Clients recognize Onix-Systems for their technical expertise across various domains, including VR, AR, mobile app development, and web technologies. Their ability to solve complex technical challenges is frequently highlighted.

Onix-Systems Reviews

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Services
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Industry
Location

Custom Software Dev for Wellness Company

  • Custom Software Development Other Application Development Web Development
  • $10,000 to $49,999
  • Aug. 2025 - Feb. 2026
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The overall quality of work, communication, and technical expertise clearly exceeded our expectations."

Feb 9, 2026
CEO, MyWellness Südtirol
A. K.
Verified
  • Other industries
  • Bolzano, Italy
  • 1-10 Employees
  • Online Review
  • Verified

Onix-Systems developed a web platform using a Next.js template as the technical foundation for a wellness company. The team customized the template, created the frontend and backend, and integrated a CMS.

UX/UI Design for VR App Dev Company

  • AR/VR Development Application Testing UX/UI Design
  • $10,000 to $49,999
  • Feb. - Apr. 2025
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"Everything was always on time and within budget with consistently exceptional communication."

May 8, 2025
Founder & Director, Livelens
James McAllister
Verified
  • Arts, entertainment & music
  • United Kingdom
  • 1-10 Employees
  • Online Review
  • Verified

Onix-Systems developed a virtual reality app's MVP. The team worked on the app's user flow, UI, user journey, onboarding, event booking, and more.

Custom Software Dev for Stock Market Solutions Company

  • API Development Custom Software Development DevOps Managed Services
  • $200,000 to $999,999
  • Nov. 2023 - Ongoing
1.0
Quality
0.5
Schedule
0.5
Cost
2.5
Willing to Refer
0.5

"We would strongly caution others against engaging with this firm based on our experience."

Apr 24, 2025
Co-Founder, Stock Market Solutions Company
Anonymous
Verified
  • Other industries
  • Hollywood, Florida
  • 11-50 Employees
  • Online Review
  • Verified

Onix-Systems has been hired by a software company to develop a feature-rich, real-time stock market solution. The team has been tasked with delivering a stable, scalable backend and stable frontend code.

Branding & UX/UI Design for Sneaker Marketplace

  • Branding UX/UI Design
  • Less than $10,000
  • Nov. 2024 - Jan. 2025
4.5
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"They are very professional, deliver work to a high standard, and are of great value for money."

Mar 26, 2025
Executive, The Sole Supplier
Anonymous
Verified
  • Media
  • United Kingdom
  • 11-50 Employees
  • Online Review
  • Verified

Onix-Systems provided UI/UX design and branding services for a sneaker marketplace. The team designed a user flow and wireframes for the client's product and created brand guidelines and identity.

Web Development for Flight Deal Source Co

  • Web Development
  • WordPress CMS
    +2
  • Confidential
  • Feb. 2024 - Feb. 2025
4.0
Quality
4.0
Schedule
4.0
Cost
4.0
Willing to Refer
4.0

"They consistently address challenges with efficiency and professionalism."

Mar 25, 2025
Founder, Secret Flights Ltd
Yaneev Lanis
Verified
  • Other industries
  • Tel Aviv, Israel
  • 1-10 Employees
  • Online Review
  • Verified

Onix-Systems developed a WordPress frontend for a flight deal source company. The team updated and modified plug-ins, themes, and integrations, fixed bugs, and performed maintenance.

DevOps Services for Software Company

  • Custom Software Development DevOps Managed Services
  • Containerization & Orchestration
    +3
  • Confidential
  • May 2014 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They have an amazing culture of continuous improvement and an obsession with customer success!"

Mar 12, 2025
Head of Product, Software Company
Anonymous
Verified
  • Other industries
  • San Francisco, California
  • 51-200 Employees
  • Online Review
  • Verified

Onix-Systems provides DevOps services for a software company. The team handles CI/CD, cloud infrastructure, and app development, primarily in Python. They manage the client's DevOps function and organization.

Website Development for Design Agency

  • Application Testing Custom Software Development Web Development
  • Less than $10,000
  • Nov. - Dec. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Onix-Systems’ technical expertise and commitment to delivering a high-quality product were truly impressive."

Dec 19, 2024
Project Manager, Gapsy Studio
Anonymous
Verified
  • Other industries
  • Ukraine
  • 11-50 Employees
  • Online Review
  • Verified

Onix-Systems developed a website for a creative design agency. The team created a responsive site with a CMS, integrated custom animations, and optimized the site's performance to ensure fast loading times.

VR Development for Creative Agency

  • AR/VR Development
  • Other Animation
  • Confidential
  • Sep. - Nov. 2024
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"Onix-Systems was able to touch on the essence of our question and interpret our needs well."

Nov 26, 2024
Owner, Director & Photographer, First on Mars
Herman Poppelaars
Verified
  • Other industries
  • Amsterdam, Netherlands
  • 1-10 Employees
  • Phone Interview
  • Verified

Onix-Systems provided VR development services for a creative agency's end client's product presentation. The team was responsible for designing 60 seconds of 360-degree animations for a two-minute video.

Web & Mobile App Dev for Event Marketing & Production Firm

  • Mobile App Development UX/UI Design Web Development
  • Laravel
    +3
  • $50,000 to $199,999
  • Feb. 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The level of communication felt as though they were an extension of our team."

Nov 19, 2024
CEO, Bar Crawl Nation LLC
Peter Altholz
Verified
  • Arts, entertainment & music
  • Boca Raton, Florida
  • 1-10 Employees
  • Online Review
  • Verified

Onix-Systems provides website and mobile app development for iOS and Android for an event marketing and production firm. The team has fixed bugs, added new features, and improved the UI/UX design.

Showing 1-10 of 52 Reviews

Our Story

Onix was founded in 2000 by three technology enthusiasts: Roman Serebryakov, Edward Prykhodkin, and Dmitry Durach.

Onix has always focused on building honest, transparent relationships with customers. We prioritize the evolving, unique customer nee

The executives’ goal is to secure Onix’s membership in the global business community and our status as a reliable and profitable partner. The executive team guides Onix with a focus on consistent excellent customer experience and continuous education.

What Sets Us Apart

Openness

Transparent, client-first partnership. We keep the process open, guard your IP, adapt to evolving needs, and work comfortably across time zones—so delivery stays clear, flexible, and aligned from discovery to release.

Support

Learning-led excellence since 2000. From 8 engineers to 370+ specialists, we’ve grown profitably and steadily. We invest in continuous education and emerging tech, so your product benefits from proven craft and fresh ideas.

Uniqueness

Values you can feel. We embrace new ideas, appreciate creativity, respect every voice, and support growth. That culture—plus global experience—creates teams that care, stay reliable, and build long-term results with you.

Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

Learn More
Verified Client Reviews
46
Overall Review Rating
4.8
Source
Clutch
Last Updated
March 25, 2026

Business Entity

Business Entity Name Onix-Systems Limited Liability Company
Source Youcontrol
Jurisdiction of Formation Ukraine
Date of Formation December 25, 2001
Status Active
Last Updated March 31, 2022
ID 31774976

Credit Report Results

Clutch was unable to obtain a credit report for this company. However, 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 (3)

Tarasa Karpy St, 76 KropyvnytskyiUkraine 25000

301 - 400

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