Acquires Radio Electric Private Limited, owner of the Radiotone brand, under its Lighting & Energy Division

Lord's Mark Industries has acquired Radio Electric Private Limited, the company behind the Radiotone brand, under its Lighting & Energy Division.

Mon 12 Oct 2026

Customer Base

approximately 40-50 businesses

Export Footprint

repeat export customers across seven countries

Capacity Utilization

approximately 50% of machine capacity on a single shift

Deal in brief

The update, titled "The acquisition of Radiotone strengthens Lord's Mark Industries Limited with specialised transformer technology, established blue-chip clientele, export capabilities, and substantial manufacturing capacity", relates to the acquisition of Radio Electric Private Limited, the company behind the Radiotone brand. The acquisition has been undertaken under Lord's Mark Industries Limited's Lighting & Energy Division and is described as a strategic expansion into specialised electrical manufacturing and engineering.

The business that has been acquired

• Radio Electric Private Limited was founded in 1939, which the update describes as an 87-year manufacturing legacy and nearly nine decades of engineering and manufacturing heritage.
• The Radiotone brand has been established since 1980.
• It specialises in variable autotransformers (Variacs) and toroidal transformers, with products largely manufactured to customer-specific requirements.
• Its portfolio includes three-phase air-cooled Variacs up to 1,000 A, three-phase oil-cooled Variacs up to 2,000 A, double-layer Variacs, and tailor-made single-phase toroidal transformers ranging from 30 VA to 20 kVA.
• It also manufactures specialised variable transformers, AC power sources, voltage isolation transformers, variable inductors and chokes.
• The company pioneered its double-layer Variac design in 1979-80, a design that went on to be widely used by servo stabiliser manufacturers.
• Its isolated double-wound variable transformer integrates variable voltage control and isolation into a single transformer configuration.

What the acquisition brings

• A customer base of approximately 40-50 businesses, with the update naming Siemens Limited, Hitachi Hi-Rel Power Electronics Private Limited, Larsen & Toubro Limited, Bharat Bijlee Limited, Aplab Limited, Underwriters Laboratories India Private Limited and Intellux Electronics Private Limited.
• Repeat export customers across seven countries, including markets in Europe, the United States, Canada, South Africa, Dubai and the Philippines.
• The update describes Radio Electric Private Limited as a profitable, debt-free business, giving the buyer an established operating manufacturing business rather than a greenfield investment.
• The existing manufacturing facility is stated to be operating at approximately 50% of machine capacity on a single shift, which the update presents as headroom to scale production without immediate large capital expenditure.
• A trained technical workforce and an established vendor ecosystem.

Plans set out after the acquisition

• Strengthen the sales organisation and develop dealer networks in key industrial clusters, expand OEM engagement, participate in industrial exhibitions and enhance digital presence.
• Broaden the customer base beyond servo voltage stabiliser manufacturers to test and measurement laboratories, educational institutions, research and development centres, electrical original equipment manufacturers and utilities.
• Extend the product portfolio into motorised Variacs, variable AC power sources, test benches, isolation and step-up/step-down transformers, digital metered Variacs and automatic voltage regulation and line-conditioning solutions.
• Explore adjacent, higher-value applications such as customised toroidal and specialised transformers for medical equipment, audio systems, UPS and inverter applications, solar and energy-storage systems, railways and specialised electronics.

Continuity during the transition

• The existing trained team and vendor ecosystem are to continue supporting operations, with production remaining at the existing facility under the lease arrangement.
• Mr. Umesh Marathe will be available as a consultant for one year, enabling the systematic transfer and documentation of critical design and process knowledge.

What the management said

Dr. Sachidanand Upadhyay, MD & CEO, said Radio Electric Private Limited represents a combination of engineering heritage, specialised technology, customer trust and significant untapped growth potential, and that the company is committed to building high-end transformer manufacturing capabilities to serve the Indian market as well as international markets. He said the acquisition gives a strategic edge in the rapidly growing Battery Energy Storage System (BESS) segment and also enables development of critical components in-house, improving profitability across the medical device business.

The forward-looking part of the update

The company states that with the right marketing strategy, improved utilisation and focused business development, the business is well positioned to scale its operations significantly and has the potential to achieve revenues running into hundreds of crores in the coming years. It also states its objective to progressively transform Radio Electric Private Limited from a specialised transformer manufacturer into a broader electrical engineering and power-control solutions platform.

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