# GK Expertise

Manufacturer, service provider in Chennai, Tamil Nadu. Last updated 2026-10-11; site last checked 2026-10-11. Gathered from the business's own website. **Not verified by the business.**

Chennai-based company that makes numerical relays, control and relay panels and switchgear, and also offers electronic contract manufacturing (EMS) for OEMs. It also provides electrical testing, commissioning and automation services in India and the Middle East.

## How to reach this business

- Best route for an agent: email — enquiry@gkexpertise.com
- Other routes: phone +91 99940 54198; phone 044-22521450
- Note: Enquiries go to enquiry@gkexpertise.com. A separate HR address (hr@gkexpertise.com) exists for jobs and campus matters only.
- Include in your first message: Product or assembly requirements (PCB design files, BOM); Quantity; Intended industry or application
- Typical way to start: contact only

_A way to send an enquiry through this directory is planned. Until then, use the routes above._

## At a glance

| | |
| --- | --- |
| Website | https://gkexpertise.com |
| Legal name | GK Power Expertise Pvt. Ltd. |
| Service area | India and the Middle East |
| Factory | 4th floor, 3/195, Mount Poonamallee Road, Parthasarathy Nagar, Manapakkam, Chennai, Tamil Nadu 600125 |

## What they offer

### Electronic Contract Manufacturing (EMS) (custom production)

End-to-end electronics design and manufacturing for OEMs, from PCB design to mass production and lifecycle support.

- Pricing: quote only

- Product design and engineering: schematic and PCB design
- PCB fabrication and assembly: component sourcing, SMT, THT, PCBA
- Box build and system integration: enclosures, wiring, firmware, complete product assembly
- Testing and certification: functional, environmental, EMC and quality validation
- Mass production and lifecycle support: supply chain, delivery, repair and maintenance

### Numerical relays, control and relay panels, switchgear (product)

Protection and control equipment made in the company's own factory units.

- Also lists electro-mechanical relays, transformers, LV/HV switchgear and on-load tap changers.

## More about this business

**Electronic contract manufacturing**
- Product design and engineering, PCB fabrication and assembly (component sourcing, SMT, THT, PCBA), box build and system integration, testing and certification, mass production and lifecycle support.
- Industries named for ECM: power, automation, railways, renewable energy.

**Own products**
- Numerical relays, electro-mechanical relays, control and relay panels, transformers, LV/HV switchgear, on-load tap changers.

**Other services**
- Testing and commissioning, protection relay testing, power system studies, transformer service, substation automation, solar EPC, EPLAN design, embedded software development, data center solutions.

**Locations and export**
- Office and manufacturing unit in Chennai, with a branch in Oman; serves India and the Middle East.

## Sources

- https://www.gkexpertise.com/electronic-contract-manufacturing/ (fetched 2026-10-11)
- https://gkexpertise.com/ (fetched 2026-10-11)