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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

  • 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.

  • Cost-Effective Solutions

    Clients appreciate the value for money offered by Onix-Systems, noting that their pricing is competitive and provides good returns in terms of quality and service.

  • Effective Project Management

    Many clients commend Onix-Systems for their structured and transparent project management. They deliver on time and maintain clear communication, which fosters a smooth workflow and timely project completions.

  • 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.

  • 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.

  • 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.

Onix-Systems Reviews

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Services
Project Cost
Industry
Location

UX/UI Design for Software

  • Custom Software Development UX/UI Design Web Development
  • $50,000 to $199,999
  • June 2021 - Sep. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Onix-Systems is highly professional and focused on efficiently delivering a high-quality product."

Aug 13, 2024
Executive, 4D Insight
Anonymous
Verified
  • Other industries
  • United Kingdom
  • 1-10 Employees
  • Online Review
  • Verified

Onix-Systems developed and designed an immersive training platform for a software company. The team was also responsible for setting up the platform server and providing hosting services. 

Custom Software Dev & DevOps for Custom Machining Parts Co

  • AI Development Custom Software Development DevOps Managed Services
  • Confidential
  • June 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They have great people who are fun to work with."

Jul 4, 2024
CEO, Machinix
Ido Turgeman
Verified
  • Manufacturing
  • Israel
  • 1-10 Employees
  • Online Review
  • Verified

Onix-Systems has been hired by a custom machining parts company to serve as their extended software development team. The team's tasks include project development based on defined flows and designs.

Web Development for Media Content Company

  • Web Development
  • Amazon Application Development Framework
    +4
  • Less than $10,000
  • Jan. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their depth of knowledge and ability to place the correct expert into the project as required are impressive."

Aug 21, 2023
Director of Operations, Media Content Company
Anonymous
Verified
  • Media
  • St. Louis, Missouri
  • 1-10 Employees
  • Online Review
  • Verified

Onix-Systems has redesigned and redeveloped a website for a media content company. The project's goal is to refactor, update, and make the website more efficient.

Web Dev & Design for Sports Video Production Company

  • Web Design
  • $10,000 to $49,999
  • July 2022 - Jan. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Top company for a competitive price. Great people to work with."

Feb 27, 2023
President, Colorado Sports Video
Heberto Limas-Villers
Verified
  • Media
  • Denver, Colorado
  • 11-50 Employees
  • Online Review
  • Verified

Onix-Systems was hired by a sports video production company to develop a new website that would automate most of their backend tasks. The team handled the design flow of the site and execution.

Web App Dev for Fitness Company

  • Mobile App Development Web Development
  • $50,000 to $199,999
  • July 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“I’ve been most impressed by their level of communication and timelines.”

Feb 7, 2023
CEO, Eric Roberts Fitness
Eric Roberts
Verified
  • Other industries
  • Highland, Maryland
  • 1-10 Employees
  • Phone Interview
  • Verified


Onix-Systems has built a mobile web app for a fitness company. They’ve used Figma and Vue.js to design and build the app from scratch, which allows users to complete workouts and log data points.

Mobile App Dev & UI/UX Design for Fintech Startup Company

  • Mobile App Development UX/UI Design
  • $50,000 to $199,999
  • Oct. 2021 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

“Everything Onix-Systems does is impressive, but their English level is their best asset.”

Oct 11, 2022
Co-Founder, COO & CPO, Fintech Startup Company
Anonymous
Verified
  • Business services
  • Makati City, Philippines
  • 1-10 Employees
  • Phone Interview
  • Verified

Onix-Systems is the development partner of a fintech startup. They’ve helped them design and develop their banking app and admin portal using Java, Sprint Boot, Flutter, and Vue.js as the main technologies.

E-Learning App Development for Software Development Firm

  • Custom Software Development Mobile App Development UX/UI Design
  • $50,000 to $199,999
  • May 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
Jul 19, 2022
CEO, Shmonster
Michal Finegold
Verified
  • Other industries
  • Greenwich, Connecticut
  • 1-10 Employees
  • Online Review
  • Verified

Onix-Systems developed an e-learning app for a software development firm, incorporating data analytics, a backend for user registration, and web-based access. 

Mobile App Dev for SaaS Company

  • Mobile App Development
  • $50,000 to $199,999
  • Jan. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"Their clear communication and quick response have resulted in efficient project management and completion."

Jun 30, 2022
Co-Founder, Penny
Mary-Catherine McRoskey
Verified
  • Advertising & marketing
  • San Diego, California
  • 1-10 Employees
  • Online Review
  • Verified

Onix-Systems is helping a SaaS firm develop an iOS and Android mobile app based on the codes, app designs, and front- and backend logic they provided. The app features camera integration and third-party APIs.

VR & AR Development for Web & VR Development Company

  • Custom Software Development
  • $10,000 to $49,999
  • Jan. - July 2022
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"They always have an elegant way of achieving the desired results."

Jun 14, 2022
Engineering Manager, Immersion 360
Olivier Leprohon
Verified
  • Other industries
  • Montreal, Quebec
  • 1-10 Employees
  • Online Review
  • Verified

A VR firm has hired Onix-Systems for their dedicated VR and AR development resources. They provide customer projects for Onix-Systems to complete, split into tasks that are then executed in several revisions. 

VR Development for Consulting Company

  • AR/VR Development Mobile App Development Web Development
  • Less than $10,000
  • June 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

''They’ve been doing everything right.''

Jun 13, 2022
Executive, Consulting Company
Anonymous
Verified
  • Other industries
  • Gaithersburg, Maryland
  • 1-10 Employees
  • Phone Interview
  • Verified

A consulting company hired Onix-Systems to provide VR development. They're creating the unity base application for the project that the client is working on.

Showing 11-20 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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Machinix

(1)
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Ido Turgeman

Onix-Systems

(1)
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Tatiana Kermach

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