Mc Guigan Electric LLC

Mc Guigan Electric LLC operates as a licensed electrical contractor serving Sudbury, Massachusetts and surrounding communities with a perfect 5.0-star rating drawn from 253 client reviews. The company handles residential electrical projects ranging from fixture installations and outlet upgrades to comprehensive panel replacements. Service requests can be scheduled Monday through Friday from 7 AM to 5:30 PM, with Saturday availability from 8 AM to 3 PM.

The business distinguishes itself through demonstrated competence with historic property electrical systems. Reviewers describe work performed in antique homes where aging wiring required careful navigation and creative problem-solving. Customers specifically mention successful resolution of complex grounding issues, generator transfer switch installations involving detective-level wiring investigations, and multiple fixture replacements completed within single service appointments.

Customers consistently highlight technician Sean within their reviews, noting his methodical approach to troubleshooting, timely response patterns, and respectful treatment of client Property. Reviewers describe scenarios including last-minute panel upgrade coordination prior to cabinetry installation and thorough grounding diagnostics affecting multiple household outlets. One reviewer documented Sean relocating a chandelier junction box to accommodate specific lighting requirements while maintaining compliance with electrical standards.