Welcome to 3i Infrastructure

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3i-infrastructure Logo
  • 3i-infrastructure Logo
  • About us

    About us

    We invest in resilient businesses that combine strong downside protection with exciting growth prospects. Our controlling stakes allow us to drive value creation strategies. We have repeatedly sold these stakes above holding value, delivering superior returns to shareholders.

    About us

    • What we do
    • Our business model
    • Investment manager
      • Investment manager

      • Investment policy
      • Investment management team
    • Infrastructure asset class
    • Board of Directors
    • Megatrends
    • Awards
  • Portfolio

    Portfolio

    As at 31 March 2025, the Company has a portfolio of 11 economic infrastructure businesses, valued at £3.8bn

    Portfolio

    • Current portfolio
    • Past portfolio
    • Long-term track record
  • Investors

    Investors

    Our objectives are to provide shareholders with a total return of 8% to 10% per annum, to be achieved over the medium term, with a progressive annual dividend per share.

    Investors

    • Our objectives and strategy
      • Our objectives and strategy

      • Market conditions
    • Share price information
      • Share price information

      • Share price tools
    • Our performance
      • Our performance

      • Performance highlights
      • Key performance indicators
    • Results, reports & presentations
      • Results, reports & presentations

      • Annual Report 2025
      • Half-year report 2024
    • Regulatory news
    • Financial calendar
    • Governance
      • Governance

      • Board of Directors
      • Board committees
    • Shareholder centre
      • Shareholder centre

      • Dividends
      • General Meetings
      • Key Information Document (KID)
      • Approach to discount management
    • Funding & debt facility
    • Prospectus
    • Contacts
      • Contacts

      • Advisers
  • Sustainability

    Sustainability

    Through proactive engagement with our portfolio companies, we support them to improve their long-term resilience and strategically position themselves to leverage sustainability opportunities.

    Sustainability

    • Our approach
    • Proactive engagement with our portfolio
    • Responsible Investment policy
  • Newsroom

    Newsroom

    View the latest press releases, articles and videos to find out more about 3i Infrastructure.

    Newsroom

    • Press releases
    • Video library
    • In the news
  • Search
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  • Oscar T Profile Image
    Oscar Tylegård
    Partner

    UK

    Oscar joined 3i in 2013 and was appointed Partner in July 2023. He is responsible for the origination, execution and asset management of infrastructure investments. His transaction experience includes ESVAGT, East Surrey Pipelines, Infinis, Alkane Energy, Elenia and Tampnet. He is currently on the boards of Tampnet and ESVAGT. 

    Prior to joining 3i, Oscar worked in the investment banking department of Macquarie, with a focus on power and utilities.

    Oscar holds a MSc in Economics from Uppsala University.

    3i office address

    UK
    16 Palace Street
    London SW1E 5JD
    +44 (0)20 7975 3131

    Investments

    • Tampnet
    • ESVAGT

    Riding the digital growth curve, snapshot from PDF

    Even accounting for recent blips in some markets, digital infrastructure continues to create substantial investment opportunities, explains 3i’s Oscar Tylegård.

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    Contents

  • About us
  • Portfolio
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  • Sustainability
  • Newsroom

    Publications

  • AIFMD Disclosures
  • Articles of Association
  • Highlights - Financial year 2025

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