Top 13 Car Rental Software Companies With $1M–$5M Revenue (September 2026)

Iraklion, Crete, Greece

Wheelsys was founded in 2004 with express intent of developing software that supports the car rental industry. Wheels Car Rental System is the company's cloud based flagship software with a customer base of over 1200 car rental businesses in 110+ countries. It is easy to use, feature rich and integrated with brokers and travel agencies. Our client list includes brands such as Green motion Car Rental and franchises of Europcar, Avis, Sixt, Payless, Hertz, Budget, Enterprise, Global Cars, National/Alamo and we are continuing to expand our worldwide market. For more information please contact us via email at [email protected] or via phone at the following numbers: USA: +1 617 861 9983, UK: +44 (0) 1344238 010, GR: +30 210 92 40 904

Stuttgart, Germany

Developer of a cloud-based mobility platform for the B2B market. The company's fleet management system offers a corporate car sharing facility that can be used to reserve vehicles from the vehicle fleet and use them without any key. It provides its customers with a telematics box that can be attached to any vehicle model. Not only existing car fleets can be integrated in this way, but also scooters or bicycles, enabling companies to optimize the utilization of their vehicle fleets up to 40% more efficiently.

United States

HQ is the online headquarters for your rental business. We help you steer your business to the next level! HQ includes an online reservation plugin that will be installed on your website. Our user-friendly system allows you to manage your vehicles, rates, add-ons and maintenance. It also includes Customer Relationship Management and a tour operator portal.

Casablanca, Grand Casablanca, Morocco

Developer of an online booking platform designed to provide booking services of Chauffeur-driven Tourist Vehicle (VTC). The company's platform provides a strong technological dimension based online application, enabling users to book a door-to-door car-transportation service, point-to-point services with a chauffeur within a city, hour-based rental services and outstation travel.

Milton Keynes, Buckinghamshire, United Kingdom

Led by industry experts, Tomorrow's Journey is enabling automotive brands, both big and small to launch and scale fully digital solutions, which include Subscriptions, test drives, car rentals, courtesy cars, and car sharing.

Rennes, Bretagne, France

Developer of a Saas Platform of car sharing services designed to help companies optimize their corporate fleet through disrupting car sharing services. The company is an engineering and services company which commercializes and develops a global techno logic service (on-board equipment, computerized management, mobile application) for car-sharing and self service vehicles under the e-Colibri brand offering innovative, efficient and quality techno logic tools in constant evolution for the car sharing field for short-term and long-term rentals.

Burnaby, British Columbia, Canada

At Rentrax, we're passionate about simplifying the rental management process for businesses of all sizes. Our cloud-based rental management software is designed to streamline operations, increase efficiency, and improve the customer experience. Whether you're managing rentals for equipment, vehicles, or anything in between, Rentrax provides a comprehensive solution to help you manage inventory, reservations, and payments. We understand that every business has unique needs, which is why our software is fully customizable to meet your specific requirements. With Rentrax, you can optimize your rental operations, reduce costs, and increase revenue. Our team of experienced professionals is dedicated to providing exceptional customer service and support, and we're committed to helping our clients achieve their rental management goals. Join thousands of satisfied customers who have streamlined their rental management process with Rentrax. Contact us today to learn more.

South Nutfield, Surrey, United Kingdom

CARS+ by Thermeon is the world's leading car rental software, we provide a complete rental business system covering all your needs from reservations websites, through rental management to invoicing and accounting. Key features of the Cars+ suite: - ASP / SaaS delivery - Web site booking engine with multiple deployment options - Powerful rate engine supporting limitless rate offerings with massive flexibility in price components, extras and options - Multiple locations supported - Fleet inventory management including planning calendar, damage management and fleet accounting - Customer database - Integrated accounting, Sales Ledger and Accounting functions. - Massive reporting capability from the 000's of "canned"​ configurable reports plus adhoc report writing capabilities. Our goal: To remain the #1 global brand in the car rental software industry. Established in 1967 in California as Thermeon Corporation, Thermeon and has been developing vehicle rental software solutions since 1983. Today, CARS+ by Thermeon is the premier, enterprise level, car rental software solution in the global vehicle rental industry. Our software is used by: - Nationally and internationally by some of the largest global car rental brands - Independent car and van rental and hire companies, large and small - From Australia through Asia and Europe and across the auto rental industry on the American continent.

United States

Loopit is a Software-as-a-Service (SaaS) platform and professional services company that drives car subscription management and billing solutions for automakers, dealerships and startups.

Australia

Catch-e provides and supports leasing & fleet management software that is rich in functionality and features. It is affordable, easy to implement and user friendly. Catch-e Pty Limited was started in September 2002 by Gray Quinn and Ian Rawlings as a result of immediate demand for a hosted Australian web-based fleet management and leasing solution. They saw the internet as the perfect delivery system for Catch-e and combined, they had the skills to develop a fleet management, leasing and salary packaging system.