Get to know us

RJ-TECH ELECTRICAL INSTALLATION SERVICES was established on June 17, 2019, registered as a Single Proprietorship under DTI No. 1032100 issued to Engr. Ronaldo W. Cay is a company owner with an office address at 601 Porsche St., Camella Homes, Brgy BF Homes, Paranaque City 1790, Metro Manila, Philippines.

RJ-Tech is an excellent provider of electrical supplies and services, specializing in delivering high-quality electrical solutions to residential and commercial clients.

With a strong commitment to innovation and sustainability, RJ-Tech has positioned itself as a trusted partner in the electrical & renewable industry. We offer a comprehensive range of services, from electrical services to renewable energy and other advanced electrical systems.

Our vision

To be a leading provider of solar energy, electrical services, and automation solutions, empowering individuals and businesses to build a smarter, more sustainable world.

We envision a future where energy is not only clean and efficient but also intelligently optimized through automation, allowing our customers to lead the way in innovation, cost savings, and environmental responsibility

Our mission

We are committed to providing reliable electrical services, with a focus on solar energy solutions and smart automation.

By integrating clean energy and cutting-edge technology into homes and businesses, we aim to help customers reduce energy costs, improve efficiency, and embrace a sustainable future.

We strive to make the transition to renewable energy seamless, affordable, and future-ready.

The Director

Engr. Ronaldo W. Cay is a professional electrical engineer with vast experience specializing in electrical engineering design, procurement, construction, management facilities, and services for complex projects for both local and international companies.

Before starting his career overseas, he had six years of experience in the local construction industry (1999-2004). When he had an opportunity to work abroad, he decided to work in Japan as an Electrical Engineer for four years (2005-2008) working inside American Military Bases in Okinawa, Japan.

After four years he decided to work in the Middle East country.

He has worked in Dubai as an electrical engineer for eleven (11) years and was involved in landmarks projects owned by Mohammed Bin Rashid Al Maktoum, the ruler of Dubai.