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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

  • $10,000+
  • $25 - $49 / hr
  • 250 - 999
  • Kropyvnytskyi, Ukraine
  • Founded 2000

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

Focus

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    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 providing good value for cost, with project costs ranging from $5,000 to over $192,000. Clients appreciate their competitive pricing and effective communication, often noting that they deliver high-quality work on time, which enhances overall project value.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 35 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 4.9
    • Cost 4.8
    • Willing to Refer 4.9

    Top Mentions

    Review Highlights

    • Successful Client Collaborations

      Onix-Systems has a track record of successful collaborations with clients, often becoming a valued partner in long-term engagements. Their ability to integrate with client teams and deliver results has earned them continued business and referrals.

    • Proactive Problem-Solving

      The team is praised for their proactive approach to problem-solving, often anticipating potential issues and offering solutions before they escalate. This approach saves clients time and resources, demonstrating Onix-Systems' commitment to quality.

    • Effective Agile Methodologies

      The use of agile methodologies is a strong suit for Onix-Systems, allowing them to remain flexible and iterative in their project approach. This adaptability helps them align projects with evolving client goals and requirements.

    • Broad Industry Experience

      The company has experience across diverse industries, from fintech and healthcare to education and marketing. This broad expertise enables them to tailor solutions to specific industry challenges and client needs.

    • Impressive Project Management

      Onix-Systems is noted for their effective project management, with clear timelines, regular updates, and agile methodologies. They maintain strong communication, ensuring projects are delivered on time and meet client expectations, contributing to high client satisfaction.

    • Challenges with Language Proficiency

      Some clients have noted challenges with language barriers, particularly in spoken English among developers. While project managers are fluent, improving English proficiency among developers could enhance communication further.

    Onix-Systems Reviews

    Submit A Review
    All Filters

    DevOps Services for Software Company

    • Custom Software Development DevOps Managed Services
    • 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!"

    Head of Product, Software Company
    Anonymous
    • Software
    • 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."

    Project Manager, Gapsy Studio
    Anonymous
    • Design
    • 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
    • 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."

    Owner, Director & Photographer, First on Mars
    Herman Poppelaars
    • 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
    • $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."

    CEO, Bar Crawl Nation LLC
    Peter Altholz
    • 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.

    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."

    Executive, 4D Insight
    Anonymous
    • Software
    • 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. 

    Web Development for Media Content Company

    • Web Development
    • 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."

    Director of Operations, Media Content Company
    Anonymous
    • 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."

    President, Colorado Sports Video
    Heberto Limas-Villers
    • 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.”

    CEO, Eric Roberts Fitness
    Eric Roberts
    • Wellness & Fitness
    • 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.”

    Co-Founder, COO & CPO, Fintech Startup Company
    Anonymous
    • 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.

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

    Learn More
    Verified Client Reviews
    37
    Overall Review Rating
    4.9
    Source
    Clutch
    Last Updated
    March 16, 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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