Thermeon
Thermeon is a global SaaS provider of CARS+, an integrated car rental management platform serving vehicle rental operators across 40+ countries. Owned by Valsoft Corporation since 2018, it offers subscription software with broker, telematics, payment, and pricing integrations.
- Company typePrivate
- Founded1967
- HeadquartersTustin, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Thermeon does
Thermeon is a global software company that provides vehicle rental operators with an integrated management platform called CARS+. Founded in 1967 and headquartered in the United Kingdom under the legal entity Thermeon Ltd, the company serves rental businesses ranging from large multinational brands to independent operators across more than 40 countries and six continents. Its platform handles the full rental lifecycle including reservations, up-selling, renting, fleet management, accounting, and reporting.
CARS+ is delivered as a browser-based SaaS platform built around configurability, with modular add-ons extending its capabilities. Core modules include webXML (XML/JSON API connectivity to over 80 brokers, aggregators, and GDS systems, developed over 15 years), webRES (online booking engine with real-time availability and yield management), CARS+ Frontdesk (counter operations), CARS+ iR (mobile vehicle return app launched in 2012), and CARS+ Cyberquery (report writer). The platform integrates with third-party solutions including Zubie (telematics), Windcave (PCI-compliant payments with alternative methods such as Alipay and WeChat Pay), MarginFuel (pricing optimization), RateGain/CarGain (revenue management), and Mastercard (payment processing).
Thermeon monetizes primarily through subscription-based SaaS contracts with a minimum 12-month initial term and automatic annual renewal, supplemented by professional services and prepaid training blocks. The company operates with regional sales teams across EMEA, the Americas, and APAC, reaching customers through direct enterprise field sales, industry trade shows (WTM London, ICRS, ITB Berlin), and digital channels. Since November 2018, Thermeon has operated as a portfolio company of Valsoft Corporation, a Montreal-based acquirer of vertical market software businesses, alongside sister companies Bluebird Auto Rental Systems and Navotar.
Thermeon firmographics
Firmographics- Name
- Thermeon
- Legal name
- Thermeon Ltd
- Website
- https://thermeon.com
- Company type
- Private
- Founded year
- 1967
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Thermeon is a global SaaS provider of CARS+, an integrated car rental management platform serving vehicle rental operators across 40+ countries. Owned by Valsoft Corporation since 2018, it offers subscription software with broker, telematics, payment, and pricing integrations.
- Ownership category
- akta.pro rank
Thermeon industry classification
Industry- Product category
- Car Rental Software
- NAICS
- Passenger Car Rental and Leasing (53211)
- SIC
- Services-Auto Rental & Leasing (No Drivers) (7510)
- akta.pro primary industry
- Car Rental & Mobility Reservation Engines (THALADAE)
- akta.pro secondary industries
- Car Rental & Car-Sharing Booking Platforms (BPAMAIAF), Car Rental & Mobility Booking Platforms (Carshare/Rideshare/Micromobility) (THALAFAE), Fleet Management Services (Lifecycle, Compliance, Safety, Driver Programs) (TLABAHAJ)
Keywords
Where Thermeon is headquartered
LocationHeadquarters
- HQ city
- Tustin
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Thermeon business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Revenue model
- CARS+ Software Subscription: CARS+ is delivered as SaaS with subscription-based pricing. Minimum initial term of twelve calendar months with automatic annual renewal. Monthly recurring charges invoiced retrospectively.
- Professional Services and Training: Programming, training, consulting services and expense items invoiced immediately upon delivery. On-site training, remote training, Go-Live support, and bespoke services available.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | CARS+ SaaS subscription with minimum 12-month term |
| Other | Pay-as-you-go | Training Services - Comprehensive Package |
| Other | Pay-as-you-go | Training Services - Express Package |
| Other | Pay-as-you-go | Prepaid Training Hours |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels3 records
Thermeon product offering
Product offeringCore offering
Thermeon develops and licenses CARS+, an integrated browser-based SaaS car rental management platform that handles the entire rental lifecycle from quotation and reservation through up-selling, counter operations, fleet management, accounting and reporting. The platform connects rental operators directly to customers, online booking channels and a network of 80+ brokers and aggregators via XML/JSON APIs, with complementary modules for online booking (webRES), broker connectivity (webXML), mobile vehicle return (iR), counter operations (Frontdesk) and reporting (Cyberquery).
Product overview
Thermeon offers CARS+ as a unified car rental management platform with modular add-ons. The core CARS+ platform provides end-to-end rental management from quotation through accounting, with counter operations via Frontdesk and web-based customer interfaces. Specialized modules extend functionality: webXML and webRES for broker/online channel connectivity, CARS+ iR for mobile device return processing, Cyberquery for reporting, and integrations with Zubie (telematics), Windcave (payments), MarginFuel and RateGain (revenue management). The platform is designed to connect rental businesses directly to customers, partners, and brokers across global markets.
Differentiator
Problem solved
Functional benefit
Brands
- CARS+: Complete integrated car rental software solution for reservations, up-selling, vehicle management, fleet management, and rental operations connecting businesses to customers, partners and brokers.
Products and services
- CARS+ Complete integrated browser-based SaaS car rental management platform covering quotations, reservations, up-selling, renting, fleet management, accounting and reporting for vehicle rental operators worldwide.
- CARS+ webXML Automated broker connectivity module supporting industry-standard XML and modern JSON APIs to link rental operators with 80+ aggregators, brokers, OTAs and Global Distribution Systems for reservation delivery and processing.
- CARS+ webRES Online rental booking engine providing real-time vehicle availability, yield and rate management, customizable branding, and customer loyalty features. Available as Thermeon-hosted solution or embeddable widget within customer websites.
- CARS+ iR (Instant Return) iPhone application enabling rapid vehicle return processing including damage photo capture, fuel recording, QR code scanning for fleet stock-take, payment processing and rental agreement completion in the field.
- CARS+ Frontdesk Browser-based counter operations application running in Chrome via CARS+ Portal. Features one-screen design following standard rental data entry flow for quick rental agreement closure, dynamic bookings manifest, insurance replacement functionality and multi-language support.
- CARS+ Cyberquery Report Writer Report writer tool enabling comprehensive business reporting and advanced analytical capabilities from CARS+ operational data.
Quantifiable outcome
- Operators reporting increased gross margin by over 15% with MarginFuel pricing integration
Companies that use Thermeon
Customer profileNamed customers1 record
Segments3 records
Ideal customer profiles2 records
Thermeon technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration5 records
AI capability1 record
Feature9 records
Thermeon partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core, major and minor.
- ZubiecoreZubie Rental Connect provides telematics solution integrated into CARS+. Features include GPS/geofencing, real-time fuel and odometer readings, vehicle recovery, touchless pick-up and delivery, Smart Maintenance service at 25,000+ facilities.
- MarginFuelmajorMarginFuel is a price optimisation platform integrated with CARS+. Features include competitive intelligence, demand forecasting, pricing optimisation for multiple channels. Operators report increasing gross margin by over 15%.
- ZubiecoreThermeon delivers telematics insights to customers through Zubie integration. Car rental operators gain access to connected car insights including GPS fleet visibility, real-time vehicle health dashboard, and idle inventory exception reporting.
- RateGainmajorGlobal strategic partnership with RateGain Technologies (CarGain). Combines RateGain's rate shopping and revenue management expertise with Thermeon's car rental software for end-to-end pricing management and revenue maximisation solutions.
- WindcavemajorWindcave provides PCI compliant payment solution integrated with CARS+. Enables contactless transactions, chip and pin, Dynamic Currency Conversion, Incremental Authorizations, Alipay and WeChat Pay. Windcave processes $90 billion annually across 17,000+ organisations.
- Bluebird Auto Rental SystemsminorSister company based in the United States. Shares exhibition booth at ICRS with Thermeon. Bluebird offers RentWorks product for car rental businesses and service loaner departments.
Scale indicators5 records
Recent moves7 records
Expansion highlights5 records
Thermeon competitors and assessment
Company assessmentDirect peers
- Bluebird Auto Rental Systems: Thermeon's sister company under Valsoft Corporation, offering the RentWorks product for car rental operators and service-loaner departments in the United States. Direct overlap with CARS+ in car-rental vertical SaaS, sharing exhibition booths and customer channels.
- EasyRentPro: Cloud-based car rental management software serving independent and small-fleet rental operators worldwide with reservations, fleet, contracts and online booking. Closely comparable product category and target customer (SMB rental operators), making it a direct SMB-segment competitor.
- Galor Systems: Provider of rental management software (Galor R3) for vehicle rental operators including reservations, contracts, fleet and accounting. A like-for-like vertical SaaS competitor to CARS+ in the car rental software category.
- Navotar: Another Valsoft-owned car rental software business serving rental operators; competes head-to-head with CARS+ in the same vertical market and benefits from the same corporate parent. Closely comparable product scope (reservations, fleet, broker connectivity) for a similar rental-operator customer base.
- RenCar / RentSentinel: Car rental software providers offering reservation, fleet and broker-connectivity functionality for rental operators. Compete with CARS+ in the same core use cases and target the same operator personas (independent and mid-market).
Emerging players
- RateGain: Rate shopping, competitive intelligence and revenue-management platform that is already a CARS+ integration partner (CarGain). Partially overlapping offering in pricing/revenue management and a potential adjacent competitor as RateGain expands into the operator-side stack.
Broad incumbents
- Sabre: Major travel-distribution and software incumbent with car-rental distribution capabilities through its GDS. Competes with Thermeon indirectly by owning the distribution channel that webXML integrates into.
- Travelport: Global distribution system and travel-commerce platform with car-rental distribution offerings. Indirect competitor to Thermeon at the broker/distribution layer that webXML connects rental operators to.
- Amadeus: Global travel-technology and GDS giant that distributes car rental inventory and offers car-rental software/distribution solutions at scale. A broader incumbent that competes with Thermeon's distribution layer and could expand into the rental-operator software stack.
Regional players
- LimoAnywhere: Reservation and fleet management software for the ground-transportation industry (limo, shuttle, black-car operators). Comparable SaaS product shape and target operator persona, but adjacent vertical (ground transport vs car rental) and primarily North American.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Thermeon social profiles
Digital presenceThermeon financial estimates
Financial estimateRevenue estimate
Valuation estimate
Thermeon leadership team
Management profileNumber of profiles
Profiles6 records
Thermeon funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Thermeon M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Thermeon
What does Thermeon do?
Thermeon develops and licenses CARS+, an integrated browser-based SaaS car rental management platform that handles the entire rental lifecycle from quotation and reservation through up-selling, counter operations, fleet management, accounting and reporting. The platform connects rental operators directly to customers, online booking channels and a network of 80+ brokers and aggregators via XML/JSON APIs, with complementary modules for online booking (webRES), broker connectivity (webXML), mobile vehicle return (iR), counter operations (Frontdesk) and reporting (Cyberquery).
Is Thermeon a public or private company?
Thermeon is a private company. It is classified as corporate owned and is currently operating.
When was Thermeon founded?
Thermeon was founded in 1967. It employs 1 to 10 people.
Where is Thermeon based?
Thermeon is headquartered in Tustin, United States, in the North America region.
How does Thermeon make money?
Two revenue lines are on record. CARS+ Software Subscription is the primary driver. The others are professional Services and Training.
Who are Thermeon's main competitors?
Direct peers on record are Bluebird Auto Rental Systems, EasyRentPro, Galor Systems, Navotar and RenCar / RentSentinel. RateGain is listed as an emerging player. Broad incumbents are Sabre, Travelport and Amadeus. LimoAnywhere is listed as a regional player.
Does Thermeon have an API?
Yes. CARS+ supports industry standard XML and modern JSON APIs for connecting to brokers, aggregators, and GDS systems. The webXML product provides XML API connectivity to over 80 aggregator and broker partners. APIs enable access to fleet availability, reservations processing, and integration with counter systems. The system allows third-party platforms and custom websites to integrate for direct booking capabilities. Developer documentation is at thermeon.wpengine.com/en/connect.
What industry is Thermeon in?
Thermeon's product category is Car Rental Software. Its primary akta.pro industry code is THALADAE, Car Rental & Mobility Reservation Engines, with a secondary code of BPAMAIAF, Car Rental & Car-Sharing Booking Platforms. Its NAICS code is 53211 and its SIC code is 7510.