Make your home, your favorite theater

Granko works closely with you to design and build a home theater system that makes sense for your family.  Enjoy theater quality in the comfort of your home. Complex technical solutions made so simple a child could do it.

Home Automation

Granko designs and installs exciting home theater, whole house audio, custom lighting and advanced communication systems for customers throughout the North Bay. We provide the technical support and innovative audio, visual, communication and lighting equipment required to create unique environment-specific experiences in homes, offices and retail businesses.

IT Services

Granko offers comprehensive technology solutions for business throughout Sonoma, Napa and Marin Counties. We have delivered more than 10 years of excellent, cost-effective IT service to Hundreds of satisfied customers.