Antin Infrastructure Partners is a private equity firm with offices in Paris, London, New York, Luxembourg and Singapore.

[9][10] Antin sponsors a research chair in private equity and infrastructure at HEC Paris, which in 2019 was held by Denis Gromb, who has been Professor at the Finance Department.

[13] In September 2014 it was announced that the Israeli conglomerate Delek Group was selling UK freeway services company Roadchef to Antin for £153 million.

[17] In 2017, Antin bought 60 per cent of the capital of the French clinic group Almaviva Santé [fr] from Gimv and UI Gestion.

[21] In August 2019, Antin sold a minority stake in Eurofiber, a Dutch fiber-optic network, to PGGM,[22] after having bought the company for 875 million Euros in 2015.

[27] In January 2023, a social infrastructure provider owned by Antin[28] - The Hesley Group - was the subject of an investigation by BBC News.

The BBC commissioned research that found more than a quarter of all children's home placements in England and Wales were run by private equity firms, and criticised the alleged lack of accountability in the sector.