
Sustainable Travel Development Company
Is your travel tech holding back your green goals? With our sustainable travel development services, we modernize legacy systems, integrate CO₂ tracking, and apply AI for efficiency, helping you operate smarter, meet ESG standards, and attract eco-conscious travelers.
Trusted by clients worldwide
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Our custom sustainable travel software solutions
We create custom sustainable travel solutions that help your business grow responsibly. We combine innovative technology, AI insights, and green innovation to help you run a more efficient and eco-conscious business.
Travel software audit & recovery
Comprehensive audit of your travel software to identify bugs, failed integrations, and architectural issues. We provide a clear roadmap for stabilization, scalability, and a successful relaunch.
Sustainability & ESG data analytics
Turn your sustainability data into real business insights. Our dashboards help you track emissions, understand traveler behavior, and make smarter decisions that strengthen both your green impact and performance.
Legacy travel system modernization
Give your travel platform a fresh start by moving from outdated systems to a fast, secure cloud setup. You’ll get better performance, lower costs, and a foundation built for long-term sustainability.
Carbon footprint tracking integration
Help travelers see the real impact of their journeys. We integrate real-time carbon tracking and eco-scoring into your platform, allowing users to easily compare and choose greener options for flights, stays, and tours.
AI for personalization & automation
Make every travel experience smarter with AI. From eco-friendly trip suggestions to automated bookings and route optimization, we help you deliver more personalized, seamless, and sustainable journeys.
Eco-compliance & secure travel data
Stay compliant and confident with systems built for privacy and sustainability. We help you implement GDPR-compliant, ISO-ready solutions with clear dashboards that keep your environmental data secure and transparent.

AI-driven travel platforms that think green
Bring intelligence and sustainability together. Our sustainable travel software, powered by AI, helps travel businesses personalize experiences, optimize operations, and make every journey more efficient and eco-conscious.
AI-enhanced travel operations
AI-enhanced travel operationsModernize your travel platform with AI-driven automation. From smart itinerary planning to optimized routing, AI cuts manual work, lowers emissions, and boosts overall operational efficiency.
Predictive sustainability insights
Predictive sustainability insightsLeverage AI to forecast environmental impact, traveler demand, and operational efficiency. Our predictive models enable you to plan, make informed data-driven decisions, and align with your ESG goals.
Virtual travel assistants & AI chatbots
Virtual travel assistants & AI chatbotsProvide travelers with instant support through 24/7 conversational AI. Provide eco-friendly suggestions, real-time itinerary updates, and booking assistance, improving satisfaction while reducing support costs.
Personalized eco-travel experiences
Personalized eco-travel experiencesOffer travelers recommendations tailored to their preferences and carbon impact. AI-driven personalization boosts engagement, loyalty, and encourages responsible, sustainable travel choices.
Intelligent data integration & eco-interoperability
Intelligent data integration & eco-interoperabilityConnect fragmented booking, transport, and emissions data through AI-powered integration. Ensure secure, transparent data sharing across partners for accurate reporting and eco-friendly operations.
AI-driven emission monitoring & optimization
AI-driven emission monitoring & optimizationTrack, predict, and reduce carbon emissions across flights, hotels, and transport with AI and IoT. Make sustainability management easier and ensure compliance with ESG objectives.
Reduce emissions, automate sustainability reporting, and delight travelers with AI-driven tools. Build your next-generation sustainable travel platform now!

Projects we delivered for our clients
Take a look at our client success stories, showcasing how we modernize travel platforms, integrate AI-driven features, and deliver sustainable travel solutions that help clients run their businesses more efficiently.


France
Tourism
MisterB&B – serving 900K+ LGBTQ travelers across 200 countries
Onix rebuilt and modernized the platform, integrated property aggregators, and added secure payments and fraud detection to create the world’s largest LGBTQ-friendly travel booking service.
Result:
1 M+ listings in 200+ countries, Forbes-featured as the “gay Airbnb”, 900 K+ members.


Cyprus
Travel and Booking
TravelBid – a custom travel services booking platform built in 3.5 months
Onix developed the web app’s interfaces for tourists and service providers, functions for service booking, communications, and payments, and designed the company’s brand.
Result:
After launch, the platform had 14K+ service providers and up to 5K new users every month.


Ukraine
Travel
Kozystay – apartment booking site MVP that required no bug-fixing for 3 years
Onix developed a brand style guide & logo, a user-centric app experience for all screens, and a scalable apartment booking platform integrated with a channel manager software.
Result:
Enabled the service’s expansion while decreasing reliance on third-party platforms.
Who benefits from our sustainable travel development services
Travel agencies & tour operators
Companies offering leisure and corporate travel services modernize booking and management systems to deliver seamless, eco-conscious experiences.
Eco-tourism platforms & sustainable startups
Green travel innovators develop AI-powered sustainable apps that guide travelers toward responsible choices, aligning with global sustainability goals.
Travel SaaS & booking tech providers
Technology and SaaS companies upgrade their legacy systems with AI, cloud, and sustainability features to enhance scalability, interoperability, and user retention.
Hospitality & accommodation networks
Hotels, resorts, and hospitality brands optimize occupancy, track carbon emissions, and elevate guest experiences with AI-driven personalization.
Aviation & mobility companies
Airlines, airport tech providers, and mobility startups integrate smart travel solutions and emission tracking tools to operate efficiently and move toward carbon neutrality.
Smart destination & urban mobility solutions
Cities, tourism boards, and smart mobility platforms adopt data-driven travel systems to manage tourist flows, monitor CO₂ emissions, and optimize sustainable local transportation.

Partner with Onix the way that works best for you
As a sustainable travel development company, we offer flexible options for collaboration, allowing you to select the approach that best suits your goals and timeline.
Staff augmentation
Need extra hands? Add Onix specialists to your existing team to fill skill gaps and boost delivery speed.

Dedicated team
Get a remote team focused solely on your project – hand-picked for your business goals and ready to manage everything from start to finish.

Time & materials
Perfect for evolving projects. Pay only for the actual hours and resources used, while maintaining flexibility and control.

Fixed price
Have clear requirements? We’ll provide a precise quote, timeline, and deliver your project on budget – no surprises.

Full-process development
From idea to launch, our software development service experts cover the full cycle: design, development, QA, and support – all under one roof.

Insights from our experts

Worried your travel platform isn’t eco-friendly or scalable enough?
Partner with us to modernize your system, integrate AI-driven sustainability tools, and deliver smarter, greener journeys.
FAQs
How can sustainable travel software help reduce a company’s carbon footprint?
Sustainable travel software helps companies monitor and reduce emissions by tracking carbon output across bookings, optimizing travel routes, and automating ESG and sustainability reporting, enabling more environmentally responsible operations.
What’s included in your travel software recovery and modernization process?
Our process covers a full platform audit, code refactoring, legacy tech upgrades, integration of AI-driven and sustainability features, system optimization for performance and scalability, and a roadmap for a successful relaunch.
Can you integrate carbon tracking or ESG reporting into an existing travel platform?
Yes, we can seamlessly integrate real-time carbon footprint tracking, eco-scoring, and automated ESG reporting into existing platforms, helping businesses meet their sustainability goals and enhance operational transparency.
How do AI solutions improve traveler experience and sustainability performance?
AI enhances traveler experience by personalizing itineraries, suggesting eco-friendly options, automating booking flows, and predicting travel trends, while also helping companies reduce emissions and improve resource efficiency.
What’s the average timeline to rescue or rebuild a failed travel tech project?
Depending on complexity, team size, and feature scope, most projects can be recovered or modernized within 3–6 months, including audits, refactoring, AI integration, and sustainability enhancements.
Do you work with early-stage travel startups as well as established travel companies?
Absolutely. We support startups, growing platforms, and large enterprises with scalable, sustainable travel development solutions.











