Your Full Service Electrical Contractor in Seattle

Specialists in Renewable Energy

Request a Free Estimate
The OHM Commitment

Transparent communication and impeccable work inspire confidence and loyalty from our customers.

Safety First

The safety of your home, your family, and your place of business are our highest priority.


We do the job right, the first time. We do not cut corners. We work with you to implement the best solution.

Fair Price

We always give you a fair price and top-quality work.

Need an Electrician in Seattle?

Service Area: Downtown Seattle, Belltown, Capitol Hill, First Hill, Madison Valley, Madison Park, Madrona, Mount Baker, Rainier Valley, Beacon Hill, Georgetown, South Park, White Center, Delridge, Alki, West Seattle, Lake City, Ballard, South Lake Union, Queen Anne, Interbay, Magnolia, Sunset Hill, Richmond Beach, Shoreline, Mountlake Terrace, Edmonds, Lynnwood, Mill Creek, Kenmore, Bothel, Woodinville, Redmond, Monroe, Sammamish, Issaquah, Bellevue, Newcastle, Renton, Burien, Tukwila, SeaTac, Des Moines, Kent, Maple Valley, Federal Way, Auburn, and surrounding areas.

OHM Electrical Contracting

620 S Orcas St Suite 80127, Seattle, WA 98108

We happily serve the entire greater Seattle area, as far North as Everett, East to Sammamish, and as far South as Tacoma. If you have a special project outside this area, please contact us, as we may be able to help.

I can't thank Alfred enough! Our main power breaker decided to crap out on us on a Saturday evening and Alfred was the ONLY electrician we could get a hold of at that time. We were doing basement renovation electrical stuff, so he had us [...continued]

Lindsay O.5 Star Yelp Review

Al at OHM has been a godsend! We called OHM panicking because we had a sump pump problem and not only did he get to us ASAP, he talked my husband through the process so he could understand what was going on. We enjoyed the [...continued]

Onika G.5 Star Yelp Review

After installing new siding on our home, we had an issue where a circuit breaker would constantly trip. This left us with no power to 1.5 of our 3 bedrooms. Within 48hrs, OHM was able to come on-site (free) and produce a quote to troubleshoot the issue. [...continued]

Anthony Morales5 Star Google Review

I had an excellent experience with Alfred of Ohm this past weekend. First, he showed up at the appointment time which is first class with contractors these days. He assessed the job quickly and accurately and completed every task within the [...continued]

Wayne H.5 Star Yelp Review

I live in a vintage camper trailer with dated and poorly done wiring. I called after one of my lines stopped working. Alfred quickly diagnosed and repaired the issues, while also providing useful electrical information.

Gabrielle Oglesby5 Star Google Review

Best electrical company I have ever worked with. Very up front and had great ideas to help with costs. Work was fast and clean. Great team. Had an electrical panel upgrade from 100 amp to 200 amp.

Mick C.5 Star Yelp Review
See All Our Reviews!See All Our Reviews!

Renewable Energy

Solar Panels, Photovoltaic Power Systems, Electric Vehicle Chargers, Battery Backup Systems, Off-Grid Power


Electrical Outlets, Lighting, Electrical Panels, New Construction, Older Homes, Safety Inspections, and More…


Electrical Panels, Code Compliance, Wiring, Custom Lighting, Security Systems, Outdoor Lighting, High Voltage, and More…


Large Scale Projects, Super High Voltage, Bespoke Solutions


Got a project? Let OHM help you work the kinks out. We are passionate about electrical problem solving!

Native Owned Business

“Growing up half Native American, I have a profound duty to work for a better environment and quality of life through technology that works in harmony with nature.”

Alfred Sim
Owner & Founder, OHM Electrical Contracting
01-Master Electrician

Hire OHM TodayHire OHM Today
OHM is TERO Certified

Let's Get Started

Work With The Best. Experience The OHM Difference.

Get My Free Estimate