Contact Certus Electrical on (m) 0427981769 or (e)



Certus Electrical is your choice of electrician in Cairns as well as servicing the surrounding district. We are fully licensed and insured offering reliable service and market sensible rates carrying out electrical installation, breakdown/repairs, and maintenance to domestic, commercial, and industrial property as well as installation of split system air conditioning and AC cleaning.


According to the online legal dictionary, the word “Certus” is defined as: authentic, certain, certainty, conclusive, definite, fixed, infallible, irrefutable, particular, positive, regular, staunch, undisputed

It is these values by which Certus Electrical defines itself and these same values are on offer to each and every customer to take care of their specific need.


Proprietor Billy Wymarra has over 30 years of experience in the electrical industry in one form or another. This experience includes military, domestic,  commercial, industrial, resources, and marine in remote,  urban, national, and international areas. This has ranged from “being on the tools” to the maintenance management/planning area.



Certus Electrical is your choice of electrician in Cairns, focused on providing an electrical contracting and air conditioning service to domestic, commercial, and industrial sectors.


 Servicing Cairns and the surrounding district. You can be assured of a professional and honest approach to providing you an electrical and air conditioning solution.