🏆 Top-Rated Agency on Upwork
🏆 Experts Team with 100% Job Success Rating
🏆 16 000+ delivery hours on Upwork
🏆 Net Promoter Score 9.8/10
🏆 4.9/5 at Clutch.co
What makes us different:
- Deep Travel & Logistics Expertise
We understand bookings, reservations, fleet management, customer loyalty, and compliance. We design solutions tailored to travel and transport operations—so your customers get seamless digital experiences.
- AI & Automation at the Core
From AI chatbots for customer care to predictive analytics for demand forecasting—and retrieval-augmented search for ops knowledge—we apply responsible AI practices to deliver measurable impact.
- Flexible Partnership Models
Choose what fits now and scales later: Discovery packages, fixed-scope acceleration, or dedicated squads. Need a quick MVP or expert consulting? We adapt to your goals and pace.
- Proven Track Record
15+ years, hundreds of deliveries, and a team that’s 90% mid/senior. We’re known for on-time, on-budget execution and outcomes that compound.
- Global Outlook, Remote DNA
Rooted in Ukraine and delivering worldwide, we operate remote-first - combining nearshore accessibility with global reach.
We’re certified and partnered:
- ISO 9001 - international standards of quality management
- ISO/IEC 27001 - international standards of information security
- AWS Certified Solutions Architect
- AWS Certified AI Practitioner Early Adopter
- Professional Scrum Master™ I
- Member of the techUK trade association
🏆 Top-Rated Agency on Upwork
🏆 Experts Team with 100% Job Success Rating
🏆 16 000+ delivery hours on Upwork
🏆 Net Promoter Score 9.8/10
🏆 4.9/5 at Clutch.co
What makes us different:
- Deep Travel & Logistics Expertise
We understand bookings, reservations, fleet management, customer loyalty, and compliance. We design solutions tailored to travel and transport operations—so your customers get seamless digital experiences.
- AI & Automation at the Core
From AI chatbots for customer care to predictive analytics for demand forecasting—and retrieval-augmented search for ops knowledge—we apply responsible AI practices to deliver measurable impact.
- Flexible Partnership Models
Choose what fits now and scales later: Discovery packages, fixed-scope acceleration, or dedicated squads. Need a quick MVP or expert consulting? We adapt to your goals and pace.
- Proven Track Record
15+ years, hundreds of deliveries, and a team that’s 90% mid/senior. We’re known for on-time, on-budget execution and outcomes that compound.
- Global Outlook, Remote DNA
Rooted in Ukraine and delivering worldwide, we operate remote-first - combining nearshore accessibility with global reach.
We’re certified and partnered:
- ISO 9001 - international standards of quality management
- ISO/IEC 27001 - international standards of information security
- AWS Certified Solutions Architect
- AWS Certified AI Practitioner Early Adopter
- Professional Scrum Master™ I
- Member of the techUK trade association
Performance snapshot
COAX Software presents a consistently strong performance profile across a broad range of custom software, web development, and UX/UI design engagements. The majority of ratings across all five assessment categories are Strong, anchored by high-density reviews citing measurable outcomes such as tripled feature development pace, doubled user growth, and a customer satisfaction score averaging nine out of ten. One notable exception is a staff augmentation engagement where quality and schedule sub-ratings fell to 3.5, introducing a Mixed signal in reliability. Communication is broadly praised, though one reviewer flagged room for improvement. Overall, the evidence base is moderately sized and spans several years, with the most recent reviews dating to late 2024.
Performance breakdown
Technical expertise
StrongReviewers cite proficiency across Python, JavaScript, React, React Native, ReactPHP, Ruby SQL, Django, AWS, D3.js, and AI/ML platforms. Multiple clients highlight high-quality code, scalable architecture, and the ability to quickly ramp up on existing codebases across complex, multi-technology projects.
Project management & delivery
MixedMost reviewers confirm on-time delivery and agile practices including daily stand-ups and two-week sprint cycles. However, one staff augmentation engagement recorded a schedule sub-rating of 3.5, and one reviewer noted project management and quality assurance issues, preventing a fully Strong rating.
Communication & collaboration
StrongCommunication is one of the most consistently praised attributes, with clients highlighting responsiveness across time zones, proactive weekend availability on Slack, and transparent stakeholder updates. One reviewer noted communication could be improved, but this remains an isolated observation against an overwhelmingly positive pattern.
Reliability
MixedThe majority of engagements report bug-responsive teams, consistent deliverables, and accountability to deadlines. One staff augmentation review returned quality and schedule sub-ratings of 3.5, introducing a reliability concern that prevents a Strong classification despite the otherwise stable delivery record.
Client satisfaction & outcomes
StrongAnchor reviews document concrete outcomes including a threefold increase in feature development pace, customer satisfaction averaging nine out of ten, and a machine learning platform doubling user growth annually. Multiple long-term engagements and repeat projects further reinforce high client satisfaction and tangible business value delivered.
Best for
COAX Software is well-suited for startups and SMBs seeking a long-term development partner for custom software platforms, SaaS products, and UX/UI design, particularly in financial services, hospitality, and technology sectors requiring agile, iterative delivery.
Clients info
COAX Software primarily serves startups and small-to-mid-sized businesses across financial services, hospitality, information technology, and legal sectors. Project budgets most frequently fall in the $10,000–$199,999 range, with at least one engagement exceeding $200,000. Client representatives are typically founders, CTOs, and product managers at firms with 1–50 employees. Primary industries represented include Financial Services, Information Technology, Hospitality & Leisure, Legal, Advertising & Marketing. Typical client size bands include 1–10 Employees, 11–50 Employees. Common project budget ranges include $10,000 to $49,999, $50,000 to $199,999, $200,000 to $999,999.
Review strength
The assessment is based on 22 reviews drawn from two platforms. The most recent review was published in November 2024, confirming current market relevance. However, a significant portion of reviews date from 2017 to 2020, meaning some data points are more than four years old and may not fully reflect the vendor's current capabilities or team composition. Review date range: Jun 2017 - Nov 2024.
Performance breakdown
Technical expertise
StrongReviewers cite proficiency across Python, JavaScript, React, React Native, ReactPHP, Ruby SQL, Django, AWS, D3.js, and AI/ML platforms. Multiple clients highlight high-quality code, scalable architecture, and the ability to quickly ramp up on existing codebases across complex, multi-technology projects.
Project management & delivery
MixedMost reviewers confirm on-time delivery and agile practices including daily stand-ups and two-week sprint cycles. However, one staff augmentation engagement recorded a schedule sub-rating of 3.5, and one reviewer noted project management and quality assurance issues, preventing a fully Strong rating.
Communication & collaboration
StrongCommunication is one of the most consistently praised attributes, with clients highlighting responsiveness across time zones, proactive weekend availability on Slack, and transparent stakeholder updates. One reviewer noted communication could be improved, but this remains an isolated observation against an overwhelmingly positive pattern.
Reliability
MixedThe majority of engagements report bug-responsive teams, consistent deliverables, and accountability to deadlines. One staff augmentation review returned quality and schedule sub-ratings of 3.5, introducing a reliability concern that prevents a Strong classification despite the otherwise stable delivery record.
Client satisfaction & outcomes
StrongAnchor reviews document concrete outcomes including a threefold increase in feature development pace, customer satisfaction averaging nine out of ten, and a machine learning platform doubling user growth annually. Multiple long-term engagements and repeat projects further reinforce high client satisfaction and tangible business value delivered.