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Fusion is a specialists M&A Boutique focussed on the Data, Events, Market Intelligence, Energy, Sustainability & ESG, EdTech,  MedTech, Software and  IT  sectors. 

Transactions – Fusion has completed 8 transactions so far in 2023 with a combined value of over £250M, taking total dealflow to over £2 billion since 2002.


Key Attributes – Unique market understanding, in-depth buyer knowledge, confidential, thorough and adaptive procedures, a highly personal approach and a track record of success.  


M&A Experience – Our highly experienced team is used to running professional and confidential processes. The team have completed  140 transactions totalling over £2 billion in value. The Fusion team is taken from both the banking M&A sector and from industry.

Clients - Fusion works primarily for vendors, clients are split evenly between Private Entrepreneurs, Private Equity and Media Corporates.

Reputation – Fusion is known in the market for the sale of quality businesses and achieving excellent prices and structures. We are selective about the clients we work for. 


Mark Eisenstadt

Director - co-founder

t: +44(0)7917 135592


Mark worked in senior positions at VNU and Reed before launching his own company in 1990, A&M Pharmafile. The business grew to profits of over £1.5M before it was sold (by Paul Slight) to John Wiley Inc in 2002.  Mark co-founded Fusion in July that year with Paul.   He focusses on media, event, data and intelligence transactions.

Paul Slight

Director - co-founder

t: +44(0)7770 628030


Paul active in the data, intelligence, event and media M&A sector in the UK, Europe and US for 30 years.  Started his own Media M&A Boutique in 1990.  Finally in 2002 he founded Fusion with Mark Eisenstadt.  He has completed over 70 deals in the £5M to £150M valuation range.  He focusses on media, event, data and intelligence transactions.

Paul Kelly


t: +44 (0)7946 405795 


Paul joined Fusion in 2006. Coming from a background in IT solutions and Business Information, Paul has held senior roles at Thomson, Euromoney Institutional Investor and Mintel. He has run his own technology business and also worked with several start-ups. Paul focusses on Media and Business Service transactions.


Paul Dunne


t: +44 (0)7525 393595


Paul has been immersed in the exhibition and events world for nearly 30 years. He has held senior positions at World Mobile Congress,  Informa Telecom & Media and EMAP. He has also been involved in M&A work, including the acquisitions of IPTV World Forum, The Energy Event and Futuresource.

Paul specialises in providing commercial expertise to help clients grow revenues and profit 


Tony Harris


t: +44(0)7802 278471


Thincblue is an advisory service for the luxury, sports and event markets.

Previously President and CEO of Boat International Media. He has held senior positions at EMAP, Post and Star Newspapers & VNU and has a wealth of M&A experience, as a buyer and seller and been involved in several start ups.


As a commercial specialist he is customer focused and an inspirational leader, used to working in high growth organisations or turnaround situations.

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