Department profile
Simpson Thacher & Bartlett LLP

Infrastructure

UK Guide 2026 : UK-wide


Simpson Thacher & Bartlett LLP

Rankings

Chambers Review

Provided by Chambers

Infrastructure - UK-wide

Band 2

Band 2


What the Team is Known For
Simpson Thacher & Bartlett's infrastructure team regularly advises on high-value and complex international M&A across a range of sectors, including telecoms and energy. The team also regularly assists infrastructure funds with debt refinancing and acquisition finance matters.

Work Highlights

Provided by Chambers

  • Simpson Thacher advised EQT and GIC on their joint acquisition of a majority stake in Calisen, a UK-based owner and manager of smart meters.

Strengths

Provided by Chambers

  • One of the standout qualities of the team is their collaborative and solutions-oriented approach. They demonstrate a strong ability to integrate insights across disciplines and tailor their input.

    Infrastructure respondentUK
  • The team have superior depth of knowledge and explain matters well.

    Infrastructure respondentUK
  • The team at Simpson Thacher have strong, solid knowledge of the market and a great ability to manage lenders.

    Infrastructure respondentUK

Notable Practitioners

Provided by Chambers

  • Band 1Amy Mahon
    Band 1Amy Mahon

    Amy Mahon

    Amy Mahon is sought after by infrastructure funds and private equity firms for her expertise in infrastructure transactions. She has a particular focus on the transport industry.
    • Amy Mahon is a superb lawyer who is very easy to deal with.

      Infrastructure respondentUK
    • Amy doesn’t just advise on deals - she shapes them.

      Infrastructure respondentUK
    • Amy Mahon has proven ability to deal with even the most complex deals across various geographies.

      Infrastructure respondentUK
    • Amy knows our business well and is excellent on all fronts.

      Infrastructure respondentUK
    • Combining deep legal expertise with exceptional commercial acumen, her ability to bring simplicity to complex transactions is remarkable. She leads with clarity, confidence and strategic insight.

      Infrastructure respondentUK
  • Band 2Paul Hibbert
    Band 2Paul Hibbert

    Paul Hibbert

    Paul Hibbert advises clients on various infrastructure transactions, including the financing and acquisition of energy and transport assets. He regularly represents private equity firms, asset managers and commercial lenders.

    • Paul is extremely helpful when dealing with lenders and, more importantly, taking a commercial and pragmatic approach.

      Infrastructure respondentUK
    • Paul Hibbert is the best lender legal counsel.

      Infrastructure respondentUK
    • Paul Hibbert is a real star and one of few true leaders in the infrastructure finance market.

      Infrastructure respondentUK
  • Band 4Claire Williams
    Band 4Claire Williams

    Claire Williams

    Claire Williams regularly advises infrastructure funds and financial sponsors on cross-border acquisition financing and debt refinancings.

    • Claire is very adept on the borrower side and very up to date on the most recent innovations in sponsor-led infrastructure deals.

      Infrastructure respondentUK

Ranked Individuals at Simpson Thacher & Bartlett LLP (3)

UK-wide

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