The complete integrated car rental software solution, linking you directly to customers, partners and brokers.

your complete vehicle rental system


Flexible options for customer facing roles


Connecting your business to customers, brokers and partners


Complete management, accounting and reporting suite


Providing powerful web tools to maximise rates exposure

CARS+ provides the fastest, most powerful complete rental software system on the market. Fully-customisable with a suite of add-ons, it’s much more than just a counter system; we’ve got the entire car rental process covered from reservation to accounting and reporting. Our fast, enterprise class system puts the power in your hands with management tools to generate bookings, open new channels of business, increase rate exposure, unlock the power of brokers and eliminate manual processing errors; all helping your business to grow and drive new sales and partnerships.

  • Handles multiple booking sources and locations
  • Common systems across the world
  • Real-time data and powerful rates engine
  • Unlimited number of defined rates and options
  • Integrated accounting and reporting functions
  • Cloud-hosted
  • Fully supports localisation/multi-region
  • Flexible and customisable

CARS+ meets the needs of rental businesses at all levels. The suite is flexible enough to accommodate your business whatever the size.

Local Independent

Automation to minimise manual processing errors

National Independent

More power to manage a growing fleet

National Franchisee

Advanced controls across multiple regions

International Franchisor

International, multi-brand operations

Global 365 24/7 system monitoring and availability support with helpdesks following the sun Monday-Friday.

CARS+ is built to be fast, powerful and reliable so we don’t expect problems to arise very often.  We are constantly checking the health and performance of our servers and systems to ensure that we foresee any problems and keep CARS+ running at maximum capacity.

CARS+ Terminal | software for car rental companies

Online Customer Dashboard

We provide you with security controlled access to a wide range of tools and applications as part of the CARS+ service. Our automated management systems provide free, rapid responses to your problems and details your back catalogue of previous issues.

CARS+ Customer Support | auto rental software

Specialist Customer Support

Our dedicated Customer Support teams are on hand, 24hrs a day, 365 days a year should any problems occur. With real-world experience of the car rental industry, they are not just software specialists, but understand the day-to-day issues that you face.

Reference Manual | car rental management system

Reference Manual

Our comprehensive reference manual, accessed through our online dashboard, contains everything you need to know about our rental software and is constantly being updated and improved.

CARS+ Training | car rental software


Our teams are specialists in CARS+ and we have the tools to help you too. Our highly-trained staff use remote ‘session-shadowing’, online seminars and on-site visits to provide a range of training options custom built for your business.


Our car rental software is built with you in mind. We like to work closely with your business to create the right solution to suit your needs. CARS+ is a complete, fully-customisable system allowing even more choice over both functionality and budget.

After a low up-front setup and configuration investment, we work with you to find an ongoing support pricing model that suits your requirements. This is normally based on a usage fee that adapts as we help your business grow.

Please contact your local Thermeon office and talk to one of our highly-experienced team members to discuss your needs further.

Our Customers

“ I cannot say thank you enough. I admire the way you manage our account. You are always so polite, tactful, and have taught me much about true customer service. Your company is leading edge! ”

Gill Bowmaker, Hertz South Africa

“ Thermeon provide excellent support and service. ”

Raymond McConn, Managing Director, Budget Car Rental

“ I couldn't wait for CARS+ to be installed. I just knew it would do a lot of the work for me and allow me to run my business! ”

Donnier Mcloud, Coffs Harbour Rent-A-Car

Contact Us

For over 30 years Thermeon have been a trusted specialist in car rental software, supporting businesses from global companies to independent operators. Our CARS+ software provides the most powerful online reservation and management tools to maximise rental opportunities and increase revenue.

Our teams have real-world experience in vehicle rental and booking systems, giving them the skills to provide the right solution for your business.