Electrical Contractors

ONCO SES LTD are a family run business that was established in 2020 by it's founder Callum O'Neill. We have more than 50+ years experience across our workforce in the electrical industry, ranging from household domestic electrics up to directorship in one of the worlds leading Exhibition event companies.

As a NAPIT approved contractor, we are fully qualified for any electrical work. Being a NAPIT certificated Scheme Member means we have demonstrated our competence, we hold the necessary insurance and have the right processes and procedures to assure compliance. Being a NAPIT registered installer means we are able to complete work safely and to legally required standards. 

We cover the whole of the midlands area but we are nationwide, so if you're not based in and around Birmingham, that is fine, get in touch! We work with a network of trusted professionals 


Local & Reliable Electricians.

As a company, we are fully dedicated to client satisfaction. In all that we do, we strive to work meticulously and with integrity in order to provide high quality results in all of our projects.

We pride ourselves on repeat business and customer feedback. As a company, we believe that our drive to continue to learn new skills helps aid our success.