Rainbow Douro is a Maia-based company serving customers in Porto, Portugal, with a focus on commercialising and promoting Rainbow products. Established in 1996, the company highlights teamwork, open communication and transparency, and invests in employee development and training. Its mission also includes providing qualified technical assistance to support customer satisfaction and long-term relationships, while maintaining principles of ethics and sustainable development.

A featured product is the Rainbow SRX, introduced in November 2019 and described by the company as a revolutionary model with increased suction power, four speeds and three timers. The site lists several certifications and endorsements for the model, including Asthma & Allergy Friendly, the Carpet and Rug Institute Seal of Approval and AHAM certification. It also notes recognition as Product of the Year 2021 and Consumers’ Choice 2021, as well as a recommendation from the Portuguese Pulmonology Foundation.

Rainbow Douro provides customer assistance, including 24-hour technical support. The company also advises owners of the D4 model that replacement parts are no longer available in Portugal.