O'Neill Capital Advisors

General contacts
Investor type

PE / VC

Founded

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AUM

-

Location

Chicago, Illinois, United States

Investment Ticket

$5-10 m

Investment Stage

Pre-seed Seed Series B Late Stage (Series C+) Series A

Region of investment

Middle East Europe South America North America Asia
Investor profile last updated: 31 August, 2026

Profile

O'Neill Capital Advisors is a venture capital firm based in Chicago, with additional offices in Kuala Lumpur and Abu Dhabi. It was founded by Dennis O'Neill, an experienced investment banker with over three decades of industry experience. O'Neill also partners with Strategic Swiss Partners and advises Click Capital Markets. The firm is known for its focus on innovative financial strategies and its ability to leverage a global network of investors for capital raising events.

O’Neill Capital Advisors specializes in venture capital investments and IPOs. They provide substantial funding opportunities, ranging from $5 million to $20 million for Pre IPO Funding, and between $30 million to $2 billion for IPO Funding. The firm taps into a network of thousands of venture capital, private equity, and family offices, as well as over 100 million retail investors, through strategic partnerships.

Notable investments by O’Neill Capital Advisors are not explicitly listed, implying a broad range of interests across its investment vehicles. The firm's approach and connections in capital markets underscore its capability in securing substantial backing for growth-focused enterprises.

Industry

Fintech Financial Services Internet and Web Services Blockchain/Crypto Technology

Contacts

Name
Title
Email
Social Networks
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Dennis O'Neill CEO of O'Neill Capital Advisors
CEO of O'Neill Capital Advisors
d•••@•••
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Dennis O'Neil -
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Investment-team contacts for O'Neill Capital Advisors — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
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FAQs about O'Neill Capital Advisors

O'Neill Capital Advisors is a venture capital and private equity firm. It backs companies at Pre-seed, Seed, Series B, Late Stage (Series C+) and Series A, writing tickets of $5-10 m.
O'Neill Capital Advisors is located in Chicago, Illinois, United States.
O'Neill Capital Advisors was founded in .
O'Neill Capital Advisors invests in companies and startups in Fintech, Financial Services, Internet and Web Services, Blockchain/Crypto, Technology.
O'Neill Capital Advisors invests in companies and startups in Middle East, Europe, South America, North America, Asia.
O'Neill Capital Advisors invests in companies and startups at Pre-seed, Seed, Series B, Late Stage (Series C+), Series A.
O'Neill Capital Advisors usually invests $5-10 m on average.
O'Neill Capital Advisors can be reached through its website oneillcapitaladvisors.com, its LinkedIn page and its X account. Its general enquiries address is [email protected]. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for O'Neill Capital Advisors — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
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Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 31 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.