Formerly G2 Electrical Solutions
Power, cooling &
clean energy.
G2 Core brings three specialist divisions under one roof — delivering electrical, air conditioning and renewable installations across London, Essex and Hertfordshire.
Our divisions
Three specialisms. One accountable company.
Commercial & residential wiring, done properly.
Office fit-outs, industrial power distribution, domestic rewires and smart-home lighting controls.
Air conditioning that just works.
Design, supply, installation and maintenance of split, multi-split and VRF air conditioning systems.
Solar PV & battery storage.
Rooftop solar arrays, home battery systems and EV charging — turnkey renewable installs from survey to sign-off.
City & Guilds qualified
Fully certified engineers across every division, fully insured on every job.
One company, three divisions
Coordinated installs — no juggling multiple contractors across power, cooling and solar.
Maintenance & call-out
Rapid response for emergencies plus scheduled inspection and compliance testing.
Planning a project across power, cooling or solar?
Tell us what you're building. We'll come back within one working day with the right team and a clear plan — helping you move your project forward with the same care whether it's a small upgrade or a full turnkey install. We understand how important your project is to you, regardless of size or budget.