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Macpherson Kelley advises KSB Sustainable Investments on joint venture investment in Master Instruments

17 March 2026 Communications and Marketing Advisor Rohan Munnolimath e: Rohan.Munnolimath@mk.com.au d: +61 3 8615 9951 m: 0406 428 575
Read Time 3 mins reading time

Macpherson Kelley has advised KSB Sustainable Investments on the acquisition of Master Instruments, a family-owned Australian battery engineering and distribution business. KSB Sustainable Investments (KSB) is a joint venture between Kilara Capital and Salter Brothers. The transaction, valued at approximately $35 million, establishes a long‑term partnership between KSB and Master Instruments under a newly formed parent entity.

The partnership lays a strong foundation for growth and represents the first investment from KSB’s inaugural private equity fund, which is focused on backing small to mid-market businesses, helping customers decarbonise their supply chains.

As Macpherson Kelley’s first engagement with KSB, the transaction drew on the depth and breadth of the firm’s national capability across corporate, ACCC and planning specialists. The firm’s corporate advisory work was led by Principal Lawyer Esteban Gomez, supported by Special Counsel Belinda Pinnow and Graduate Lawyer Darcie Holgate-English. ACCC matters were overseen by Legal Practice Director Paul Kirton, while the technical planning and environment components were handled by Principal Lawyer Emma Fleming and Associate Christina Zhang. The work further highlights the firm’s 120-year history and its strong track record supporting clients across the manufacturing sector.

“This was a fantastic first opportunity to work with KSB and to support them on such a strategically significant transaction,” said Esteban.

“With multiple moving parts, the deal required tight coordination and a pragmatic approach. It’s the kind of fast‑moving matter where Macpherson Kelley is able to bring the right minds together to provide clear, actionable guidance—good thinking in action.”

Maja Sliwinski, Investment Director at KSB, added: “As the first investment from our KSB Transition Fund, this transaction is an important milestone in advancing our strategy of partnering with established industrial businesses that support decarbonising supply chains. We appreciated Macpherson Kelley’s clear, practical advice and the collaborative way they worked with our team throughout the process.”

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Macpherson Kelley advises KSB Sustainable Investments on joint venture investment in Master Instruments

17 March 2026 Rohan Munnolimath e: Rohan.Munnolimath@mk.com.au d: +61 3 8615 9951 m: 0406 428 575

Macpherson Kelley has advised KSB Sustainable Investments on the acquisition of Master Instruments, a family-owned Australian battery engineering and distribution business. KSB Sustainable Investments (KSB) is a joint venture between Kilara Capital and Salter Brothers. The transaction, valued at approximately $35 million, establishes a long‑term partnership between KSB and Master Instruments under a newly formed parent entity.

The partnership lays a strong foundation for growth and represents the first investment from KSB’s inaugural private equity fund, which is focused on backing small to mid-market businesses, helping customers decarbonise their supply chains.

As Macpherson Kelley’s first engagement with KSB, the transaction drew on the depth and breadth of the firm’s national capability across corporate, ACCC and planning specialists. The firm’s corporate advisory work was led by Principal Lawyer Esteban Gomez, supported by Special Counsel Belinda Pinnow and Graduate Lawyer Darcie Holgate-English. ACCC matters were overseen by Legal Practice Director Paul Kirton, while the technical planning and environment components were handled by Principal Lawyer Emma Fleming and Associate Christina Zhang. The work further highlights the firm’s 120-year history and its strong track record supporting clients across the manufacturing sector.

“This was a fantastic first opportunity to work with KSB and to support them on such a strategically significant transaction,” said Esteban.

“With multiple moving parts, the deal required tight coordination and a pragmatic approach. It’s the kind of fast‑moving matter where Macpherson Kelley is able to bring the right minds together to provide clear, actionable guidance—good thinking in action.”

Maja Sliwinski, Investment Director at KSB, added: “As the first investment from our KSB Transition Fund, this transaction is an important milestone in advancing our strategy of partnering with established industrial businesses that support decarbonising supply chains. We appreciated Macpherson Kelley’s clear, practical advice and the collaborative way they worked with our team throughout the process.”