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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

GMT
Greenwich Mean Time (GMT)
CET
Central European Time (CET)
ACT
Australia Central Time (ACT)
ART
(Arabic) Egypt Standard Time (ART)
EET
Eastern European Time (EET)
EST
Eastern Standard Time (EST)
IDT
Israel Daylight Time (IDT)
PST
Pacific Standard Time (PST)
AGT
Argentina Standard Time (AGT)
AKST
Alaska Standard Time (AKST)
AST
Arabia Standard Time (AST)
AET
Australia Eastern Time (AET)
BST
Bangladesh Standard Time (BST)
CNT
Canada Newfoundland Time (CNT)
COT
Colombia Time (COT)
CST
Central Standard Time (CST)
CTT
China Taiwan Time (CTT)
EAT
Eastern African Time (EAT)
BET
Brazil Eastern Time (BET)
CAT
Central African Time (CAT)
GST
Gulf Standard Time (GST)
HST
Hawaii Standard Time (HST)
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)
NET
Near East Time (NET)
MST
Mountain Standard Time (MST)
NST
New Zealand Standard Time (NST)
PNT
Phoenix Standard Time (PNT)
PLT
Pakistan Lahore Time (PLT)
PRT
Puerto Rico and US Virgin Islands Time (PRT)
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
No have been added yet...

    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 their good value for cost, with projects ranging from $5,000 to over $192,000. Clients appreciate timely deliveries and quality work, making them a reliable choice for various development needs.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 37 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000
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    Onix-Systems Review Insights

    Overall Review Rating

    4.9
    • Quality 4.9
    • Schedule 4.8
    • Cost 4.8
    • Willing to Refer 4.9

    Top Mentions

    Review Highlights

    • Room for Improvement in Testing

      Some clients noted that Onix-Systems could enhance their testing processes to ensure more polished outputs, suggesting room for improvement in quality assurance and project oversight.

    • Proactive in Client Engagement

      Onix-Systems is praised for their proactive engagement with clients, often going above and beyond to ensure successful outcomes. They actively seek client feedback and incorporate it promptly.

    • High Client Satisfaction

      Overall, clients express high satisfaction with Onix-Systems' services, citing their technical expertise, project management skills, and commitment to client success as standout qualities.

    • Strong Client Relationships

      Onix-Systems builds strong, long-term relationships with clients, often becoming an extension of their team. This partnership approach is highly appreciated and fosters trust.

    • Mastery in Diverse Technologies

      Onix-Systems demonstrates strong proficiency across various programming frameworks and languages, including React Native, Python, Java, and Unity. Clients appreciate their ability to handle complex technical challenges and deliver innovative solutions.

    • Effective Agile Methodologies

      Onix-Systems employs agile methodologies, allowing flexibility and iterative progress. This approach helps keep projects aligned with client goals while accommodating necessary changes.

    Onix-Systems Reviews

    Submit A Review
    All Filters

    UI/UX Design for Data Science & PostgreSQL Company

    • UX/UI Design
    • $50,000 to $199,999
    • Feb. 2020 - Feb. 2021
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The project was very well treated by the team."

    PostgreSQL Expert, CYBERTEC
    Pavlo Golub
    • IT Services
    • Austria
    • 51-200 Employees
    • Online Review 
    • Verified

    A PostgreSQL database company hired Onix-Systems to design the UI/UX of their platform. The team used React.js on the frontend and Node.js on the middleware, designing and implementing the UI section by section.

    Website & App Redesign for Gaming Platform

    • Web Development
    • $50,000 to $199,999
    • June - Dec. 2021
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They always went above and beyond and really viewed themselves as an extension of our company's team."

    CEO, Bracketology, LLC
    Jonah Fialkow
    • Gaming
    • Chicago, Illinois
    • 1-10 Employees
    • Online Review 
    • Verified

    A fantasy gaming platform hired Onix-Systems, LLC to redevelop their website and application. The team did large-scale work on AWS and delivered a completely repackaged design for the project.

    iOS App Development for Beauty Company

    • Mobile App Development
    • Confidential
    • Feb. 2020 - Mar. 2021
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We value their availability, flexibility, and eagerness to do their best in what they do."

    CTO, Beauty Company
    Anonymous
    • IT Services
    • San Diego, California
    • 11-50 Employees
    • Online Review 
    • Verified

    Onix-Systems, LLC developed an iOS app for a beauty company. Their goal was to develop the app as fast as possible while keeping it reliable and bug-free.

    Web Dev & UI/UX Design for Alcohol Brand

    • UX/UI Design Web Development
    • Less than $10,000
    • Feb. - Apr. 2021
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Onix-Systems was already helping me out with different problems without me even paying them."

    Owner, SQEEZ
    LaRoy Richardson
    • Consumer Products
    • Washington, District of Columbia
    • 11-50 Employees
    • Phone Interview 
    • Verified

    An alcohol brand hired Onix-Systems, LLC to build and develop a user-friendly website. They were also responsible for designing the layout and logo of the company.

    Web Dev for Paddle Tennis Education Platform

    • Web Development
    • $10,000 to $49,999
    • June 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We are impressed with their professionalism and transparency in their work."

    CEO, MiPaddle
    Mark Innes
    • Education
    • New York City, New York
    • 1-10 Employees
    • Online Review 
    • Verified

    Onix-Systems, LLC was hired by a paddle tennis educational platform to produce a website and maintain it after. The main objective is to manage end users and continuously update the content of the site.

    UI/UX Design Projects for IT Outsourcing Company

    • Other Design UX/UI Design
    • $50,000 to $199,999
    • Jan. 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The fact that we continue to send work their way speaks volumes about their quality of work."

    Strategist, Aloa
    David Pawlan
    • Software
    • Chicago, Illinois
    • 1-10 Employees
    • Online Review 
    • Verified

    Onix-Systems, LLC was hired by an outsourcing company to collaborate with them on several software development projects. The team is tasked to generate applications using UI/UX designs and existing templates.

    iOS Mobile App Dev. for Messaging Service Platform

    • Custom Software Development
    • $50,000 to $199,999
    • Dec. 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “Their outstanding ability to solve extreme technical challenges distinguishes them from their competitors.”

    CEO, messageLOUD
    Garin Toren
    • Arts, entertainment & music
    • Albany, New York
    • 11-50 Employees
    • Phone Interview 
    • Verified

    Onix-Systems used an existing wireframe to create an iOS app that reads aloud messages as they’re received. They’ve developed the backend of the app. Currently, they’re building a public beta version.

    Coding for Fitness Startup

    • Web Development
    • $10,000 to $49,999
    • Jan. 2016 - Ongoing
    4.0
    Quality
    4.0
    Schedule
    4.5
    Cost
    3.5
    Willing to Refer
    4.5

    "From what I've seen, the code produced by Onix was very clean and efficient."

    Co-owner, Fitness Startup
    Anonymous
    • Healthcare
    • Montreal, Quebec
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Onix-Systems is engaged to create a strong coding base for the client's core platform allowing users to access videos and information.

    Coding for Web Application Company

    • Web Development
    • $200,000 to $999,999
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We receive Onix's full attention even on smaller projects, where they're not making much profit. Onix has a very consistent approach and responsiveness."

    Owner, Web Application Company
    Anonymous
    • IT Services
    • Los Angeles, California
    • 11-50 Employees
    • Phone Interview 
    • Verified

    Onix-Systems is currently partnering with a software company long-term to develop custom software products that are as profitable as possible.

    Custom App Development for Wine Business

    • Mobile App Development
    • $10,000 to $49,999
    • Sep. 2015 - Ongoing
    4.5
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.0
    Willing to Refer
    5.0

    "We are satisfied with Onix's work ... They were able to review issues and provide feedback, instead of simply doing what we asked for."

    Owner, Wine Retailer
    Anonymous
    • Consumer Products
    • United Kingdom
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Onix-Systems partnered with a small wine retailer in the UK to develop the core mobile application to grow the firm's user base and revenue.

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

    Learn More
    Verified Client Reviews
    41
    Overall Review Rating
    4.9
    Source
    Clutch
    Last Updated
    March 27, 2025
    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)

    301 - 400

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