About Us


The traces and roots of Spectra Group goes back to 1981, when Engr Khan Md Aftabuddin formed a sole proprietorship firm called Reza Construction in 1981. In 1981, Reza Construction was incorporated as a limited liability company called Reza Construction Limited (RCL). After three decades in 2011, the name of Reza Construction Ltd was officially changed to Spectra Engineers Limited (SEL). As of today, Spectra Engineers Limited remains an instrumental and pivotal infrastructure development organization, financially responsible for the Inception of Multiple Business Organizations such as Spectra International Ltd, Spectra Oxygen Ltd, Spectra Properties Ltd, Spectra Organics Ltd and Spectra Solar Park Ltd.

Our Qualified Team


House: 256, Road:4, Block: D, Eastern Housing, Mirpur: 11.5