Jason Menzies

JASON MENZIES has considerable experience advising on the tax aspects of cross-border private equity and public M&A transactions, restructurings, finance, capital market transactions, and global incentive matters. Jason has acted for private equity sponsors and publicly traded clients on their acquisitions, disposals, and restructurings of investments across a wide range of jurisdictions with a particular focus on the UK, Europe, and Asia. He also acts for private equity sponsors and publicly traded clients in the design, structuring, and management of global incentive and management incentive programs across over 60 jurisdictions.

Jason has received acknowledgement from numerous industry ranking guides:

• Chambers Europe 2025 – Named as “Up and Coming” for Tax, where a client said “Jason works hard to set himself apart from the pack through his combination of dedication, commerciality and technical ability.”
• Chambers UK 2025 – Named as “Up and Coming” for Tax, where a client stated “He constantly blows my mind with his ability to find practical solutions with a technical background.”
• Legal 500 UK 2202-2025 – Ranked for Corporate Tax.
• The Deal Awards 2022 – Acted on the “Private Equity Deal of the Year.”
• China Law & Practice Awards 2022 – Acted on the “Project and Energy Deal of the Year.”
• Legal Business Awards 2021 – Member of the London Private Equity practice, which was honoured as “Private Equity Team of the Year.” 

Prior to joining Sidley in 2016, Jason was an associate in the tax practice of another international law firm.

Recent examples of Jason’s work include acting for:

• Affinity Partners as part of an investor consortium, along with PIF and Silver Lake, in an all-cash acquisition of Electronic Arts Inc., a global leader in digital interactive entertainment, with an enterprise value of approximately US$55 billion. The acquisition was described by the Financial Times as “the biggest-ever leveraged buyout.”
• Apollo-managed funds in their acquisition of a majority stake in Kelvion, a leading global provider of energy-efficient heat exchange and cooling solutions, from funds advised by Triton Partners.
• STORY3 Capital Partners, the Los Angeles based private equity firm, on its significant minority investment in Adanola, a leading UK-based athleisure and activewear brand.
• SINGU, a leading European provider of commercial real estate management software, on the strategic investment by K1 Investment Management, LLC, and combination with Micad.
• J.C. Flowers & Co., a private investment firm dedicated to investing in the financial services industry, in its acquisition of Pepper Advantage.
• Grain & Protein Technologies, a portfolio company of American Industrial Partners, in the cross-border carve-out acquisition of the agribusiness equipment operations of Munters FoodTech.
• A leading infrastructure fund in its acquisition of Melita, a fully converged digital infrastructure owner and operator delivering broadband, mobile connectivity and data centre solutions across Malta.
• Great Hill Partners on the sale of BigChange, a leading field service management software company, to Simpro Group.
• Funds managed by affiliates of Apollo Global Management, Inc. in the sale of Summit Leasing, a leasing company in Slovenia and Croatia.
• Funds managed by affiliates of Apollo Global Management, Inc. in the acquisition of The Travel Corporation.
• Buckthorn Partners in its US$210 million sale of Coretrax to Expro.
• Recharge Industries, a portfolio company of Scale Facilitation, on its acquisition of Britishvolt Limited.
• Clearlake Capital Group, L.P. in its acquisition of Chelsea Football Club and related affiliates in a consortium co-led with Todd Boehly, Chairman and CEO of Eldridge. The acquisition was named “Private Equity Deal of the Year” at The Deal Awards 2022.
• CNODC on its US$46 billion participation in the ToR+ PSC for Buzios area in Brazil. This transaction was named as “Project & Energy Deal of the Year” by China Law & Practice Awards 2022.
• Gallagher, a global insurance brokerage, risk management and consulting services firm, in its acquisition of the treaty reinsurance brokerage operations of Willis Towers Watson for US$3.25 billion.
• Affiliates of WCAS and Managed Market Insights & Technology in connection with MMIT’s US$1.6 billion merger with Evaluate.
• Membership Collective Group Inc., a London-based membership and hospitality company (and parent company of Soho House and related businesses), in connection with its initial public offering of US$420 million. MCG sold thirty million shares of its common stock at US$14.00 per share.
• Fortress Investment Group on the acquisition of Punch Pubs & Co.
• Schur Flexibles Group, an international flexible plastic packaging manufacturer, on its successful financial restructuring.
• Newfold Digital in its acquisition of MarkMonitor™, an enterprise-level provider of domain management solutions, from Clarivate.
• Discovery Education, a worldwide edtech leader backed by Clearlake Capital Group, L.P., in its acquisition of DoodleLearning.
• Housatonic Partners in connection with its significant growth investment in Key Media, a global leader in B2B media.
• Achieve Partners on its acquisition of a majority stake in Boclips.
• Colliers on the acquisition of a 75% strategic investment in Basalt Infrastructure Partners LLP.
• Cello Health Limited on its disposal of Digital Technology Advisory Group.
• Crayhill Capital Management on its US$200 million financing of Heroes, a UK-based technology-driven ecommerce company.
• Newfold Digital on its acquisition of Yoast B.V., the leading search engine optimization plugin provider for WordPress.
• Crayhill Capital Management on the US$300 million financing for unybrands, an integrated platform for e-commerce businesses.
• Partners Group, a leading global private markets firm, on expanding the shareholder base of International Schools Partnership, a leading international group of K-12 schools.
• Mavenir in connection with a US$500 million private placement by Koch Strategic Platforms, a subsidiary of Koch Investments Group.
• EQT Partners in connection with its $1 billion sale of Innovyze Inc. to Autodesk Inc.
• Great Hill Partners in connection with its acquisition of Notonthehighstreet, a UK curated online marketplace.
• Great Hill Partners in connection with its investment in BigChange, the leading mobile workforce management technology company for the service and transport sectors.
• Arvelle Therapeutics, a Swiss-based biopharmaceutical company, on its sale to Angelini Pharma for a total cash consideration of up to US$960 million.
• Dude Solutions Inc., a SaaS provider of cloud-based operations management software backed by Clearlake Capital Group, L.P., in the acquisition of the asset management platform Confirm.
• CareerBuilder on their sale of Textkernel, a global leading AI-powered HR technology provider, to Main Capital Partners.
• TowerBrook Capital Partners in its sale of and re-investment in Independent Clinical Services Group to Onex Corporation.
• Queen Park’s Equity on its acquisition of Learndirect Limited and its subsidiaries, a provider of online learning platform and courses.
• ACPS Automotive, a technology and market leader in towbars/hitches for cars, SUVs, and vans, on the completion of its financial restructuring.
• H.I.G. Capital and Vernacare on the acquisition of Infection Prevention.
• Global Loan Agency Services Limited on the restructuring and refinancing of Royal IHC.
• OrbiMed on its investment in Mereo BioPharma.
• TowerBrook Capital Partners on the acquisition of CarTrawler.
• Munich Re on €3.8 Billion longevity risk transfer with NN Life Netherlands.
• GHO Capital Partners LLP on its acquisition of Ardena.
• Global Loan Agency Services Limited as facilities agent, GLAS Trust Corporation Limited as existing security agent and TMF Trustee Limited as new security agent, on the restructuring of BARTEC, a German manufacturer of explosion safety equipment.
• Global Loan Agency Services in connection with the restructuring of Galapagos Holding S.A.  
• Global Loan Agency Services Limited in connection with the sale of Young’s Seafood Limited, one of the UK’s leading producers and distributors of seafood, to Karro Food Group.  
• Inspired Entertainment, Inc., a leading supplier of gaming terminals in the UK, on the proposed transformational acquisition of the Gaming Technology Group of Novomatic UK Ltd.
• TowerBrook in its sale of Metallo, a metal recycler and refiner, to Aurubis AG.  
• Independent Clinical Services Group (ICS), a portfolio company of TowerBrook Capital Partners (TCP), on the successful recapitalization and portable refinancing of its existing debt structure.  
• TowerBrook in its investment in the GBA Group, a UK-based vehicle logistics business servicing the global automotive and shipping industries.  
• Famar on the successful restructuring, recapitalization and strengthening of its capital structure. 
• HNA Aviation & Tourism Group on the Sale of Radisson to Jin Jiang-led International Consortium. 
• Apollo Global Management, LLC (through certain investment funds affiliated therewith) on the acquisition of a majority stake in Catalina Holdings (Bermuda) Ltd. from, among others, Caisse de dépôt et placement du Québec and Ontario Teachers’ Pension Plan.
• Five Arrows Principal Investments in its sale of and co-investment in Datix, a patient safety and risk management software company.
• TransUnion on its acquisition of Callcredit, which was named “Private Equity Deal of the Year (Over $1B)” by The M&A Advisor at the 11th Annual International M&A Awards.
• Mid Europa Partners, the leading private equity investor in Central and South Eastern Europe, in connection with its sale of Alpha Medical, the leading provider of laboratory testing services in the Czech Republic and Slovakia, to Unilabs, an Apax Partners portfolio company. The transaction represents the largest healthcare transaction in Central Europe since 2008. 
• United Energy Group in its Acquisitions of Pakistan Oil and Gas Assets from OMV.
• TowerBrook Capital Partners L.P. on the acquisition of AIM Aviation (a UK aerospace business) and the subsequent sale of a majority stake in this business to AVIC International.
• TowerBrook in its investment in the German tow bar manufacturer Bosal ACPS.
• Blackbaud, Inc., the world’s largest cloud software company powering social good, on its acquisition of UK-based online fundraising services provider, JustGiving™. 
• TowerBrook Capital Partners L.P. on its acquisition of Schweighofer Fiber GmbH, an Austrian company that produces high-quality viscose pulp and bio energy, from family-owned Schweighofer Group.
• Buckthorn Partners on its acquisition of TWMA Group Limited, a drilling waste management and solutions provider.
• Mid Europa Partners in its sale of Alpha Medical, a leading provider of laboratory testing services in the Czech Republic and Slovakia, to Unilabs, a leading diagnostic services company owned by Apax Partners.
• Representing TowerBrook in its investment in Van Dijk Educatie, the Netherlands’ largest provider of learning materials.
• TowerBrook and KKR in their investment in OVH, a European leader in cloud infrastructure, telecommunications and web hosting services.
• H.I.G. Europe on its disposal of the Zmarta Group, the leading fintech marketplace in Northern Europe, to Bauer Media Group.
• TowerBrook in its investment in Gravity Media, a UK-based provider of broadcasting equipment and solutions.
• H.I.G. Europe on its disposal of the International School of Europe group, a leading group of schools in Italy, to Inspired.
• Independent Clinical Services Group, a portfolio company of TowerBrook Capital Partners, on its acquisition of Liquid Personnel Limited.
• BlackRock on its sale of Asia Square Tower 1 to Qatar Investment Authority. This is the largest single-tower real estate transaction in Asia Pacific to date and the second largest single-tower real estate transaction globally. This transaction was recognized as “Deal of the Year (Asia), 2016” by Private Equity Real Estate magazine. 
• H.I.G. Europe on the sale of AR Metallizing (a Belgian manufacturer) to Nissha Printing Co.
• Ontario Teachers’ Pension Plan on the acquisition of Burton’s Biscuits Company.
• Bain Capital on its US$1.3 billion acquisition of Atento from Telefónica.
• New Mountain Capital on its £250 million acquisition of Alexander Mann Solutions.
• KKR on its $1 billion acquisition of the Crosby and Acco groups from Melrose Industries.
• Ontario Teachers' Pension Plan on its £365 million acquisition of the Bridon group, a global technology leader in the manufacture of wire and fibre rope, from Melrose Industries.
• Bain Capital on its £230 million acquisition of Plasma Resources UK Ltd. from the UK Department of Health.
• Montagu on its acquisition of Clinisys from ECI Partners.
• GTCR, LLC on its acquisition of Premium Credit Ltd. from MBNA Europe, asset value US$1.45 billion.
• Hastings Insurance Group in an offering of £266.5 million 8% senior secured fixed-rate notes due 2020 and £150 million senior secured floating-rate notes due 2019.
• The Carlyle Group and Integrated Dental Holdings (IDH) in IDH’s offering of £200 million 6% senior secured fixed-rate notes due 2018, £125 million senior secured floating rate notes due 2018, and £75 million 8.5% second lien notes due 2019.
• Vista Equity Partners on the £750 million take-private of Advanced Computer Software Group plc.

Some of the above matters were handled prior to joining Sidley.

• Represented OnePower, a Sidley Emerging Enterprises client and an innovative social enterprise with deep roots in Lesotho, on Electrification Financing Initiative and Renewable Energy Performance Platform’s LSL 150 million senior debt and equity investment.