# IMPAX ASSET MANAGEMENT (AIFM) LTD.

IMPAX ASSET MANAGEMENT (AIFM) LTD. of LONDON is an SEC-registered investment adviser.

## Registration

- CRD: 171783
- Type: SEC-registered investment adviser
- SEC file number: 801-79931
- Location: 7TH FLOOR, 30 PANTON STREET, LONDON, SW1Y 4AJ
- Phone: +44 (0)20 3912 3000
- Latest filing: 2026-07-30
- Regulatory AUM: $2.0B
- Discretionary AUM: $2.0B
- Clients: 165
- Accounts: 4

## Business model

- Compensation: % of AUM, Performance
- Clients served: Investment cos

## Officers, owners & control persons (18)

| Name | Role | Location |
| --- | --- | --- |
| [Ian Richard Simm](https://search.stillhousedata.com/person/11175) | DIRECTOR,  CHIEF EXECUTIVE OFFICER | London, X0 |
| [Daniel Gunter Von Preyss](https://search.stillhousedata.com/person/669686) | DIRECTOR | — |
| [John Aquinas Boese](https://search.stillhousedata.com/person/669687) | CHIEF COMPLIANCE OFFICER | — |
| [Karen Cockburn](https://search.stillhousedata.com/person/669688) | DIRECTOR,  CHIEF FINANCIAL OFFICER | — |
| [Darren Michael Johnson](https://search.stillhousedata.com/person/669689) | GLOBAL CHIEF OPERATING OFFICER | — |
| [FALCONER KEITH](https://search.stillhousedata.com/person/748554) | DIRECTOR | — |
| [SIMM IAN](https://search.stillhousedata.com/person/748555) | DIRECTOR | — |
| [ROSSBACH PETER VAN EGMOND](https://search.stillhousedata.com/person/748556) | DIRECTOR | — |
| [JENKYN-JONES BRUCE](https://search.stillhousedata.com/person/748557) | DIRECTOR | — |
| [KEEFE JOSEPH FRANCIS](https://search.stillhousedata.com/person/756778) | DIRECTOR | — |
| [BOESE JOHN AQUINAS](https://search.stillhousedata.com/person/756779) | CHIEF COMPLIANCE OFFICER | — |
| [RIDGE CHARLES DAVID](https://search.stillhousedata.com/person/797484) | CHIEF COMPLIANCE OFFICER; CHIEF FINANCIAL OFFICER; DIRECTOR (+2 more) | — |
| [NORMAN ANNIKA C](https://search.stillhousedata.com/person/820988) | CHIEF COMPLIANCE OFFICER | — |
| [SIMM IAN RICHARD](https://search.stillhousedata.com/person/857236) | DIRECTOR,  CHIEF EXECUTIVE OFFICER | — |
| [von Preyss Daniel Gunter](https://search.stillhousedata.com/person/860654) | DIRECTOR | — |
| [Bremner Catherine Mary](https://search.stillhousedata.com/person/870660) | DIRECTOR, CHIEF STRATEGY AND OPERATIONS OFFICER; DIRECTOR, CHIEF STRATEGY OFFICER | — |
| [Cockburn Karen](https://search.stillhousedata.com/person/872518) | DIRECTOR,  CHIEF FINANCIAL OFFICER | — |
| [ALEXANDER MARY PATRICIA](https://search.stillhousedata.com/person/873915) | DIRECTOR | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/171783/brochure
- Similar advisers: https://search.stillhousedata.com/firm/171783/similar
- Related entities: https://search.stillhousedata.com/firm/171783/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/171783

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.