London Electrical Parts Supplier
Electrical Parts.
Built for Industry.
Mainsery supplies industrial and manufacturing businesses across London with the electrical components they need — on time, to spec, at trade prices.
What We Supply
Product Categories
From cables to control gear — we stock the full range.
Cables & Wiring
Power, data, and control cables for industrial applications
Switchgear
LV and MV switchgear, distribution boards, and enclosures
Circuit Protection
MCBs, RCDs, fuses, and surge protection devices
Connectors
Industrial connectors, terminals, and cable management
Lighting
Industrial LED, emergency, and hazardous area lighting
Control Gear
Contactors, relays, motor starters, and automation components
Trade Benefits
Why Trade with Mainsery
We work with industrial buyers who need the right part, fast.
Ready to open a trade account?
Talk to our team about your requirements. We'll get you set up with the right pricing and supply terms.
Get in Touch
Send an Enquiry
Tell us what you need. Our team responds within one business day.
Address
Mainsery Ltd, Industrial House
London, EC1A 1BB
Phone
+44 (0)20 7123 4567