05/06
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05/06
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AHJ Miller

AHJ ACQUISITION

Acquisition to significantly accelerate the Miller Group’s reinsurance growth strategy, which has seen it acquire capital advisory business 4809 Brokers and leading Spanish (re)insurance broker Bruzon in 2024.

Miller, the independent specialist (re)insurance broking group, is pleased to announce that it has completed the acquisition of AHJ Holdings Ltd (AHJ), the ultimate parent company of Alwen Hough Johnson Limited and AHJ Europe AS. The transaction closed on 2 June following the receipt of all necessary regulatory approvals. 

Founded in 1973, AHJ is a highly regarded specialist reinsurance broking group across Property, Casualty, Marine, Energy and also places business in a number of niche insurance lines. The acquisition provides Miller with significant scale and capability in treaty reinsurance as well as access to AHJ’s strong positioning in Nordic, Caribbean and North American Treaty business.

The transaction will create a strengthened client offering with deeper expertise and market relationships, allowing the delivery of a more comprehensive and differentiated range of reinsurance solutions. The Miller and AHJ reinsurance teams will operate under the trade name of AHJ Miller and be jointly led by Gary Masters and Shaun Sinniah.

James Hands, Group CEO, Miller, said: “The acquisition of AHJ significantly accelerates our reinsurance strategy. The dedicated expertise which AHJ brings strongly complements our leading specialty offering and will allow us to bring our combined capabilities to a greater number of clients. It is with great enthusiasm that we welcome Gary and the AHJ team to Miller.”

Gary Masters, CEO of AHJ Miller, commented: “We are delighted to become part of the most exciting growth story in the specialty broking space. Miller’s culture and reputation as a uniquely client centric business mean we could not have found a better home. As part of AHJ Miller we will be able to bring additional services to our clients, such as Miller’s highly regarded facultative and capital advisory capabilities, while benefiting a platform that will enable us to further grow across our existing products and geographies.”

Shaun Sinniah, President of AHJ Miller, added: “We are continuing to develop our reinsurance offering at pace and the acquisition of AHJ marks a significant step in that journey. This strengthens our reinsurance platform and amplifies our entire offering by bringing together highly complementary talent, market access and client solutions. I look forward to the opportunities this partnership brings as we continue to become the trusted and bespoke advisor that our clients are seeking.”

05/06
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Rebecca Harbourne
Rebecca Harborne
Head of Communications +44 (0) 20 7031 2722 EMAIL
Gary Masters
Gary Masters
CEO, AHJ Miller +44 (0) 20 7398 2603 EMAIL
05/06
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New M&A team

NEW M&A TEAM

Miller, the independent specialist (re)insurance broker, is delighted to announce the appointment of three senior hires into its newly established M&A and Strategic Solutions (“MASS”) team.

The new team will be led globally by Andrew Johnson and Edwina Charlton, alongside Rupert Newman who joins as the team’s Head of Broking. As well as transactional risk insurance, the team is building out separate specialist tax and contingent risk practices in order to become one of the pre-eminent full-service teams outside North America. Andrew will also be working with the wider business on its growth initiatives.

Andrew, Edwina and Rupert bring significant expertise from legal, banking, restructuring and broking backgrounds. Andrew and Edwina both began their careers as M&A lawyers in London and Asia, with a combined experience of 20 years before making the move across into insurance with Marsh.

The team will sit within Miller’s Professional & Financial Risks business and will be based in London advising its client base of private equity, hedge and sovereign wealth funds, corporates, law firms and corporate financiers on domestic and cross-border risks across all industry sectors.

Laura McDonough, Head of Professional and Financial Risks at Miller, commented: “We are very excited to welcome Andrew, Edwina and Rupert to Miller. The launch of MASS is a response to the general pace and volume of deal activity and the expansion of tax and contingent risk insurance in the global market. We are delighted to be able to draw on their technical expertise, energy and deserved reputation to build a best-in-class capability for the financial services community. Already bolstered by our colleagues in the Asia Pacific region, and with a couple of additional recent team hires in London, we believe MASS will superbly compliment the reputation of Miller’s growing professional and financial risks proposition’.” 

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Edwina Charlton
Edwina Charlton
Executive Director - Joint Head of Mergers & Acquisitions and Strategic Solutions (MASS) +44 (0) 20 4614 0027 EMAIL
Andrew Johnson
Andrew Johnson
Executive Director - Joint Head of Mergers & Acquisitions and Strategic Solutions (MASS) +44 (0) 20 4614 0030 EMAIL
Rupert Newman
Rupert Newman
Director – Head of Broking, Mergers & Acquisitions and Strategic Solutions (MASS) +44 (0) 20 7031 2147 EMAIL
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NEW JOINER – CERI DAVIES Ceri joined Miller in May 2025 as Head of Strategic Client Coverage to further support client growth across the firm.

She brings a client focused mindset and a strong emphasis on value creation and enhancement. Prior to joining Miller, Ceri spent six years in Aon’s M&A practice, most recently as Associate Director in the Financial Sponsors team. There, she delivered Aon’s full suite of M&A transaction solutions, advisory services, and portfolio value creation strategies to global Financial Sponsor clients.

At Miller, Ceri leads efforts to embed structured client coverage across the firm’s global strategic client base. Her focus is to unlock opportunities across multiple solution lines, strengthen and expand existing relationships, and identify and support growth in white space areas.

Ceri Davies
Ceri Davies
Director - Client & Market Coverage +44 (0) 20 4614 0075 EMAIL
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