Joseph Gunnar & Co., LLC is a U.S. registered broker‑dealer and full‑service investment bank operating in the US stock market. Founded in 1997, the firm is headquartered in Uniondale, New York and provides a comprehensive suite of financial services, including brokerage execution, corporate finance, institutional and retail sales and trading, equity research, and investment banking. Joseph Gunnar & Co. is registered with the Securities and Exchange Commission (SEC) and is a member of the Financial Industry Regulatory Authority (FINRA), the Securities Investor Protection Corporation (SIPC), and the NASDAQ Stock Market. Its affiliation with Buttonwood Group Advisors expands its reach into private market investments.
What Services Does Joseph Gunnar & Co., LLC Offer?
Joseph Gunnar & Co. functions as one of the regulated stock exchange brokers providing a broad array of financial services to individual, institutional, and corporate clients.
| Service Category | What Joseph Gunnar & Co., LLC Offers |
| Brokerage Services | Execution of equity and fixed‑income transactions for clients |
| Investment Banking | Mergers and acquisitions, capital raising, corporate finance advisory |
| Equity Capital Markets | IPOs, follow‑on offerings, PIPEs, SPACs, and secondary offerings |
| Institutional Sales & Trading | Distribution and trading services for institutional clients |
| Wealth Management & Advisory | Customized investment planning and structured solutions |
| Research Services | Equity research and market analysis to support investment decisions |
The firm’s investment banking and corporate finance capabilities include strategic advisory and placement services tailored to growth companies.
Who Is Joseph Gunnar & Co., LLC For?
Joseph Gunnar & Co. serves a wide range of clients:
- Individual investors seeking brokerage execution and investment solutions
- Corporate clients requiring capital markets access and advisory services
- Institutional investors participating in equity and fixed‑income markets
- Companies evaluating underwriters or financial advisors for IPOs and strategic financings
- Clients comparing NASDAQ stock brokers for execution and research support
The firm’s boutique approach positions it among experienced marketplace participants.
Which Markets and Exchanges Can You Trade Through Joseph Gunnar & Co.?
Market Access
Joseph Gunnar & Co. participates in major U.S. markets, including:
- NYSE and other exchange‑listed securities
- NASDAQ markets, consistent with its regulated membership and participation
- Equity and fixed‑income trading channels available through its brokerage platform
This allows clients to access a broad range of securities across primary U.S. trading venues.
Regulatory Memberships
- SEC registered broker‑dealer
- FINRA member
- SIPC member
- Nasdaq Stock Market approved
These memberships ensure compliance with U.S. securities laws and investor protections typical of professional stock exchange brokers.
How Joseph Gunnar & Co., LLC Helps You Trade and Invest
Here is how typical brokerage and investment banking engagement works with the firm:
- A client opens a brokerage or investment banking account with Joseph Gunnar & Co.
- The client completes regulatory documentation and funding requirements.
- Orders for equities or other securities are placed and executed via approved trading systems.
- The firm provides research, advisory support, or capital markets services as needed.
- Clients receive trade confirmations, account statements, and reporting under regulatory standards.
The firm supports interactions with listed securities and broader capital markets within a well‑regulated framework.
Contact Information and Website
| Detail | Information |
| Official Website | https://www.josephgunnar.com |
| Headquarters Address | 1000 RXR Plaza, Uniondale, NY 11556, USA |
| Regulatory Status | SEC registered, FINRA & SIPC member, Nasdaq approved |
| CRD | 24795 |
Joseph Gunnar & Co. maintains its primary operations from its New York headquarters, delivering brokerage and investment banking services across the U.S. and internationally.
Headquarters Location
Why Joseph Gunnar & Co., LLC Matters for Investors
Joseph Gunnar & Co. is notable because it:
- Operates as a registered broker‑dealer in the US stock market, offering execution and advisory solutions
- Provides investment banking services, including equity capital markets and corporate finance
- Delivers institutional and retail brokerage services typical of stock exchange brokers
- Offers access to global investor networks and capital raising opportunities
This combination makes it a versatile partner for investors and issuers alike.
Readers looking for the complete U.S. stock exchanges list can explore our detailed guide.
Frequently Asked Questions
Q1: Is Joseph Gunnar & Co., LLC a regulated broker‑dealer?
Yes. It is registered with the SEC and is a member of FINRA, SIPC, and the Nasdaq Stock Market.
Q2: Can I trade U.S. stocks through Joseph Gunnar & Co.?
Yes. The firm executes trades in U.S. markets including Nasdaq and NYSE‑listed securities.
Q3: Does the firm provide investment banking services?
Yes. The firm offers investment banking, equity capital markets, and advisory services.
Q4: Where is Joseph Gunnar & Co. headquartered?
The firm is headquartered in Uniondale, New York.



