Spending power
TheGrid Corporate Spending Power index would rate purchasing capacity from registry, scale and activity signals.
Spending power
Key facts
Counted staff
13
self-reported band not used
Founded
1964
62 years
Legal entities
None matched
Office countries
1
1 address
Funding rounds
None on record
Company type
Privately Held
self-reported
Description
John Costa began his electrical installation and contracting business in 1964. From those humble beginnings, the business now known as J&M Costa Enterprises PTY Limited operates from Western Sydney. J&M Costa employs over 50 qualified tradespeople, apprentices, technical and administrative staff along with retail sales staff making it one of the largest domestic electrical companies in NSW.
At J&M Costa, we pride ourselves on exceptional customer service and superior installations using only the highest quality products. We are a Platinum Plus Dealer with Actron Air, which means we specialise in installing the most technologically advanced and energy efficient air conditioning systems in the market.
J&M Costa is a proudly Australian and family owned company with Stephen Costa the Managing Director and David Costa the Construction Manager. By choosing J&M Costa as your air conditioning specialist, you are getting the highest quality service, which only 50 years of business expertise can provide.
Locations
Country footprint
Show as table · Offices in 1 country
| Countries | 1 |
|---|---|
| Primary country | AU |
All codes: AU
Addresses
- AU16 Production Pl; Jamisontown, New South Wales 2750Primary
Grid intelligence Members
Signals & hiring
Hiring, headcount and registry-change signals, streamed to members.
Latest signal
Hiring activity
Headcount trend
Financials
Registry-filed capital and financial indicators, standardised by TheGrid.
Paid-up capital
Fiscal period
Registered charges
Revenue
Profit / loss
People & contacts
4 employee profiles on record · names withheld.
Names and titles are intentionally absent from this page. The source relation carries no consent record across the privacy regimes this directory spans, so it is never requested and never stored. Search engines see exactly what you see here.
Counts only. No names are stored here, and none are served.
FAQ
How many people work at J & M Costa?
The record holds 13 counted staff profiles at January 2026. Its self-reported band sits above that count and is not published as a headcount.
Where does J & M Costa have offices?
One address on record, Australia only. Primary: 16 Production Pl, Jamisontown, New South Wales 2750.
Has J & M Costa raised funding?
None linked to this brand.
Which companies are listed alongside J & M Costa?
Eight peer profiles on record: Penrith Air Supply and Mannix Air & Solar.