The firm
Two sides of the same private market.
On one side, qualified investors seeking late-stage pre-IPO positions before a listing. On the other, founder- and family-owned businesses weighing a sale, an acquisition or a capital raise.
Leadership
Three managing partners.
Managing Partner — London
[Partner name]
European and cross-border mandates, and the capital partners behind them.
Managing Partner — New York
[Partner name]
North American origination: first approach, positioning, structuring, diligence.
Managing Partner — Pre-IPO
[Partner name]
Sources private positions in companies approaching a listing, for qualified investors.
Partner names are shared on engagement.
Three mandates,
one standard.
Practices
Pre-IPO
Late-stage positions in category leaders approaching a listing — qualified, structured and opened to investors before the public market prices them.
Explore Pre-IPO
Mergers & Acquisitions
Sell-side and buy-side advisory for founder- and family-owned companies — a discreet, curated process held to a clean close.
Explore M&A
Private Equity
Control deals, buy-and-build platforms and growth investments structured to compound over years, not quarters.
Explore Private Equity
Capital is everywhere. Trusted relationships are not.
The real asset
Our principles
Five commitments,
on every mandate.
- Aligned interests
- Our outcome is tied to a completed transaction. Never a conflicting mandate on the same deal.
- Absolute discretion
- Need-to-know throughout. Origination happens quietly, never through an open process.
- A long-term view
- We measure relationships in years, not deals.
- A network on two continents
- Direct relationships with acquirers, private equity platforms, family offices and late-stage investors.
- Senior throughout
- One partner-led team from the first conversation to the close. No handoffs.
What the partnership carries.
The firm in numbers
Committed capital across the partner network
Transactions guided by the partners to date
Offices — New York & London
Years of relationships behind the network
Start the conversation
Every transaction begins
with a private conversation.
Whether you are weighing a transaction or looking to invest alongside the firm, the ONYX partners would welcome the conversation.
Qualified investors can also request access to the firm's pre-IPO program.