Advent to Sell DONTE GROUP, Spain’s Leading Dental Platform, to Ontario Teachers’ Pension Plan Board

LONDON, July 15, 2025 — Advent International announced the sale of its stake in DONTE GROUP, which it describes as Spain’s leading dental platform, to Ontario Teachers’ Pension Plan Board (“Ontario Teachers’”).

Since investing in DONTE in 2019, Advent said it helped transform the business into Spain’s largest oral healthcare platform. Under Advent’s stewardship, DONTE grew from a single-brand business with 150 clinics into a diversified, multi-brand operator comprising over 400 clinics across four brands — Vitaldent, Maex, Moonz and Smysecret — according to the Advent release.

The company has treated around 1 million patients during Advent’s ownership period, Advent said, while investing more than €40 million in clinical quality and over €35 million in technological innovation.

Buyer and portfolio context

Ontario Teachers’ is described in the Advent announcement as a global investor with over CAD$266 billion in net assets and a global healthcare portfolio of CAD$6 billion, including Heartland Dental, PhyNet, Veonet and NVISON. Advent said the investment underscores Ontario Teachers’ confidence in DONTE’s growth trajectory and its mission to provide outstanding patient care.

Statements from Advent and DONTE leadership

Tom Allen, Managing Director at Advent, said Advent was proud to have supported the DONTE team over the past six years in building a dental platform with a focus on patient care and medical excellence.

Gonzalo Santos, Managing Director at Advent, said the milestone validates DONTE’s position as a market leader in Spain and that Ontario Teachers’ is the ideal partner to support DONTE in its next chapter.

Javier Martín, CEO of DONTE GROUP, said Advent’s partnership had been instrumental in scaling DONTE into a leading oral health platform and that the company looks forward to the next phase of growth with Ontario Teachers’ as it expands its presence and continues delivering care to patients.

Closing timing and advisors

The transaction is subject to customary regulatory approvals. Closing is expected to take place in the fourth quarter of 2025, Advent said.

Advent was advised by J.P. Morgan as lead financial advisor and J&A Garrigues, S.L.P. as lead legal advisor.

About the parties (per Advent)

Advent said it has completed more than 50 healthcare investments across more than 15 countries over the past 30 years, in areas including pharma services, medtech, healthcare services and life sciences. Advent stated it oversees more than USD $91 billion in assets under management as of December 31, 2024, with 16 offices across five continents.

DONTE GROUP is described by Advent as Spain’s largest dental platform, offering oral care through Vitaldent, Maex, Moonz and Smysecret, with over 400 clinics and more than 8.5 million patients treated over more than 35 years.

This story reports Advent’s July 15, 2025, announcement only; it does not confirm whether the transaction subsequently closed.