Jonathan Massam

Jonathan Massam

Partner, Corporate Finance, PwC United Kingdom

Jonathan provides M&A lead advisory services to clients on deals which support the energy transition towards Net Zero

Jonathan advises clients on M&A deals across the power and utilities sector. His experience includes transactions involving renewable energy, energy storage, electric vehicles, network infrastructure, energy retail, building decarbonisation hydrogen, carbon capture, and energy services. He has a track record of delivering successful outcomes for investors, corporates and developers in complex and competitive transactions.

“I believe that the energy transition is the most exciting and important challenge of our time. It will provide a huge capital deployment, presenting opportunity but also requiring collaborative and innovative approaches to investment. I enjoy helping our clients to navigate the changing market dynamics, identify and execute the best deals and create long-term value for their businesses and society.”

He has over seventeen years of experience in energy and infrastructure transactions. Jonathan graduated from the University of Bristol with a BSc in Mathematics with Statistics, before joining PwC in 2006. Jonathan is a CFA® Charterholder and has been a partner at PwC since 2023.

Contact details



  • Energy Transition
  • M&A
  • Capital Raise
  • Net Zero
  • Deals

Recent work

  • Advising KKR on its $750m investment in Zenobē Energy
  • Advising DIF on its investment in Field Energy
  • Advising ILI on the sale of the Red John 450MW+ pumped hydro project to Statkraft
  • Advising Hanwha Energy on the sale of its 200MW operational battery storage portfolio in Ireland
  • Advising Arcus on its acquisition of National Grid Smart
  • Advising Infracapital on its €110m majority investment in EnergyNest
  • Advising Tokyo Gas on its $200m minority investment in Octopus Energy
  • Advising Zenobē Energy on its £150m primary capital raise from Infracapital
  • Advising Equitix on its acquisition of the smart metering asset provider, MapleCo
  • Advising Vattenfall on the sale of iSupplyEnergy's retail customer book to EDF Energy
  • Advising Infracapital and Last Mile Infrastructure Group on the acquisition of UK Power Solutions
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