Lord's Mark Industries acquires Radiotone for transformer tech expansion
- Acquired Radio Electric Private Limited (Radiotone), a debt-free transformer manufacturer founded in 1939
- Target operates at approximately 50% machine capacity on a single shift, allowing scale without major capex
- Brings established relationships with blue-chip clients including Siemens, Hitachi, and L&T
- Provides access to export markets in seven countries across Europe, North America, and Asia

*this image is generated using AI for illustrative purposes only.
Lord's Mark Industries Limited acquired Radio Electric Private Limited, the manufacturer behind the Radiotone brand, to strengthen its position in specialised electrical manufacturing. The transaction integrates a profitable, debt-free entity with established blue-chip clientele and significant untapped manufacturing capacity into Lord's Mark's Lighting & Energy Division.
The acquisition provides access to a business operating at approximately 50% of machine capacity on a single shift, offering substantial headroom for scaling production without immediate large capital expenditure. Radio Electric Private Limited, founded in 1939, specialises in variable autotransformers (Variacs) and toroidal transformers, serving customers such as Siemens Limited, Hitachi Hi-Rel Power Electronics Private Limited, and Larsen & Toubro Limited.
Strategic assets and customer base
The target company brings nearly nine decades of engineering heritage and an established export footprint across seven international markets, including Europe, the United States, Canada, South Africa, Dubai, and the Philippines. Its product portfolio includes three-phase air-cooled Variacs up to 1,000 A, three-phase oil-cooled Variacs up to 2,000 A, and tailor-made single-phase toroidal transformers ranging from 30 VA to 20 kVA.
| Asset Category | Details |
|---|---|
| Customer Base | Approximately 40-50 businesses |
| Key Clients | Siemens Ltd, Hitachi Hi-Rel, L&T, Bharat Bijlee |
| Export Markets | 7 countries (Europe, US, Canada, SA, Dubai, Philippines) |
| Capacity Status | ~50% utilisation on single shift |
| Debt Status | Debt-free |
Operational synergies and growth plans
Lord's Mark Industries Limited plans to leverage the existing trained workforce and vendor ecosystem while introducing a structured sales and marketing strategy. The company intends to expand its customer base beyond servo voltage stabiliser manufacturers to include test and measurement laboratories, educational institutions, research centres, and utilities. Potential product developments include motorised Variacs, variable AC power sources, and digital metered Variacs.
Transition and leadership
To ensure continuity, Mr. Umesh Marathe will serve as a consultant for one year, facilitating the transfer of critical design and process knowledge. Dr. Sachidanand Upadhyay, MD & CEO of Lord's Mark Industries Limited, stated that the acquisition supports the company's vision of building a diversified, technology-led Indian enterprise. He noted that the move provides a strategic edge in the Battery Energy Storage System (BESS) segment and enables in-house development of critical components for the medical device business.
What the numbers show
The combination of a debt-free balance sheet with only 50% capacity utilisation creates a distinct operational leverage opportunity. Unlike greenfield investments that require upfront capital outlay, this acquisition allows Lord's Mark Industries Limited to increase revenue through operational efficiencies and additional shifts rather than new infrastructure spending. The presence of repeat export customers in seven markets further mitigates domestic market concentration risk, providing a dual-channel growth avenue without additional market entry costs.
How will Lord's Mark Industries plan to finance the working capital requirements for ramping up production from 50% to full capacity without incurring new debt?
What specific regulatory or certification hurdles must be overcome to successfully integrate the acquired Radiotone components into Lord's Mark's medical device and BESS product lines?
Given the reliance on blue-chip clients like Siemens and L&T, what is the projected timeline for diversifying the customer base toward utilities and educational institutions to reduce concentration risk?

































