Peter Abbott is clearly extremely knowledgeable, but it is also his communication, relationship building, network and responsiveness that marks him out from his peers.”
- The Legal 500 UK, 2024
Peter is a tax partner in the London office of Kirkland & Ellis International LLP. Peter advises on the tax aspects of public and private M&A transactions, with a particular focus on the tax structuring of UK and international private equity transactions and related restructurings and management equity plans.
Peter is a Chartered Tax Adviser and member of the Chartered Institute of Taxation. He regularly contributes to consultations with HM Revenue & Customs and HM Treasury on developments in tax legislation.
Experience
Representative Matters
Since joining Kirkland, Peter has been involved in the following matters:
CPP Investments on the minority investment in EQT-backed IFS
Hellman & Friedman on the investment in Mehiläinen
Thoma Bravo-backed Darktrace on the acquisition of Cado Security
CPP Investments on the acquisition of a minority stake in Regnology
Amcor on the $37 billion merger with Berry Global
K1 Investment Management on strategic growth investment in Board Intelligence
KKR on the investment in Enilive
Apollo on the acquisition of a stake in bp Pipelines TAP
Warburg Pincus on the investment in Aztec Group
Silver Lake-backed Oak View Group on the acquisition of The Brewery
Consortium of CVC Private Equity Funds, Nordic Capital and ADIA on the £5.4 billion recommended cash acquisition of Hargreaves Lansdown
Vitruvian-backed Aspia on the acquisition of Accountor Outsourcing
Nordic Capital on the sale of Sunrise Medical to Platinum Equity
HGGC on the sale of Specialist Risk Group to Warburg Pincus and Temasek
Blue Wolf on the acquisition of seven CDMO sites from Recipharm
Bain Capital Tech Opportunities on its majority investment in finova and its simultaneous acquisition of MSO
Elda River Capital Partners to complete the spinout of Magnetar Capital’s energy and infrastructure business
Nordic Capital on a joint venture with Ontario Teachers’ Pension Plan Board to invest in Advanz Pharma
Allwyn on its acquisition of stake in Instant Win Gaming Limited
AppLearn International on its sale to Permira-backed Nexthink
AA, TowerBrook Capital Partners and Warburg Pincus on Stonepeak’s investment in AA
Apollo-backed Energos Infrastructure on the acquisition of a transformative marine LNG asset with long-term charter contracts in Germany
Thoma Bravo on its acquisition of a majority stake in Hypergene
Bain Capital on the acquisition of a controlling stake in Eleda
KKR and GED Capital on the acquisition of Eugin Group
Proofpoint on the acquisition of Tessian
Vitruvian Partners on the acquisition of Aspia
Norwegian Cruise Line on the closing of a $790 million note offering
Warburg Pincus on the sale of its remaining stake in Reiss to NEXT plc
Thoma Bravo and its portfolio company SailPoint on its take private of Osirium Technologies plc
Warburg Pincus on its acquisition of a majority stake in Epassi Group, alongside TA Associates
A consortium led by Sandbrook Capital on the acquisition of NeXtWind Capital
Warburg Pincus on the sale of Once For All to GTCR
Warburg Pincus and ArchiMed on the sale of Polyplus
Coller Capital on the strategic minority investment from Hunter Point Capital
Allwyn on the acquisition of the Camelot Lottery Solutions Group from Ontario Teachers’ Pension Plan Board
Thoma Bravo and its portfolio company Veriforce on the acquisition of CHAS
Further Global Capital Management on its investment in Phaidon International
CPP Investments on the acquisition of a stake in Universal Investment
Oakley Capital on the financing for the investments in Phenna Group and CTS Group in transactions valued at over £1 billion
Warburg Pincus on the mergers of equals with Norstella to form an end-to-end life sciences solutions provider
Main Street Capital on the financing for the acquisition of Critical Mention
EW Healthcare Partners on the acquisition of a majority stake in Grundium Oy
Nordic Capital on the acquisition of Ascot Lloyd
GBL on the acquisition of Sanoptis
GBL on the acquisition of Affidea
17Capital on the strategic partnership with Oaktree under which it will sell a majority stake to Oaktree
Warburg Pincus on the acquisition of Pharma Intelligence from Informa PLC
Medallia, a portfolio company of Thoma Bravo, on its acquisition of Thunderhead
Oakley Capital on the acquisition of a majority stake in TechInsights by Oakley Capital IV, alongside CVC Growth
Prior to joining Kirkland, Peter worked on the following matters:
Blackstone on the sale of its stake in Refinitiv to LSE group
Alexion on its sale to AstraZeneca
Verizon on its acquisition of an additional stake in Verizon Wireless from Vodafone
Charterhouse Capital Partners on the acquisition of Phastar
Charterhouse Capital Partners on the acquisition of Novetude Santé
GHO Capital on its acquisition, refinancing and subsequent sale of Quotient Sciences
GHO Capital on its acquisition of Sterling
Jazz Pharmaceuticals on its acquisition of GW Pharmaceuticals Plc
Hayfin on the structuring of its equity investment in the Autovista group
Prior Experience
Macfarlanes LLP, London
Partner, 2016–2021
Secondment to Wachtell, Lipton, Rosen & Katz, 2014–2015
Associate, 2008–2016
Trainee Solicitor, 2006–2008
More
Recognition
Recognised by Chambers UK (2024–2025) for London: Tax
Recognised by The Legal 500 UK (2025) for Corporate Tax
Memberships & Affiliations
Chartered Tax Advisor (CTA) – Chartered Institute of Taxation
Credentials
Admissions & Qualifications
2008, Admitted to practice as a Solicitor of England and Wales
