Ipsos is formerly owned by Butler Capital Partners, through Amstar, since 1997.

When did Butler Capital Partners acquire Ipsos?

Butler Capital Partners acquired Ipsos in 1997 and exited after 2 years.

Yes. Ipsos was exited in 1999 via IPO.

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Ipsos

Business Services·

France·Exited 1999·Held 2yr

Ipsos is a business services company, headquartered in France.

Entry

1997

Hold

2yr

Exit

1999

Est. EV

–

Who owns Ipsos?

Ipsos was owned by Butler Capital Partners through Amstar (1995 vintage) from 1997 to 1999, exited via IPO. Across its history, Ipsos has been through 2 private equity ownership periods, detailed in the timeline below.

Buyer identity available on Pro.

Hand-verified · updated 2026-04-21

Most recent investor

Butler Capital Partners

Amstar · 1995 · Buyout

2 ownership periods · full history below

Key facts

HQFrance

SectorBusiness Services

Ownership history

2 ownership periods

Active

Currently held by Société Générale Capital Partenaires.

Butler Capital PartnersExited 1999

1997 · 1999 · Amstar · 1995 · Buyout

IPO · to

MOIC

–

Société Générale Capital PartenairesActive

present · Société Générale Capital Partenaires Portfolio · Growth

MOIC

–

More PE-backed in Business Services

Comparable business services deals from other GPs.

.becoming

Exited 2025

Meanings Capital Partners

2026 02 26 Pws Franchisors V3

RIVE Private Investment

Data refreshed weekly · Sourced from public filings