Oakland-Based Financial Firm Marks 30 Years of Growth
- 14 hours ago
- 3 min read
Recently Led Over $2.1 Billion in East Bay Transactions

Oakland, CA – Siebert Williams Shank & Co. (SWS), an Oakland-based independent non-bank financial services firm that offers investment banking, sales and trading, research and advisory services, is marking its 30th anniversary in 2026.
The firm, having completed almost $6.7 trillion in financings for municipal and corporate issuers nationwide has transacted business on behalf of over 500 corporate clients throughout its history, in addition to over 1,000 institutional investors, more than 1,200 municipal clients, and 8 government-sponsored entities and supranationals. Dually headquartered in Oakland and New York City, the firm has since 2019 been the #1 M/WBE investment bank in the United States with 27 offices nationwide. SWS maintains a municipal sales force presence in the East Bay with seven employees reporting out of the firm’s Oakland office.
The firm has just come off a record-setting 2025 in public finance, having served as underwriter for 329 municipal transactions with $108 billion in par amount and was Senior Manager on 91 transactions totaling $25 billion. In 2025 SWS saw its clients honored with the Bond Buyer Deal of the Year Award for the seventh year in a row.
Its corporate client base includes 80 of the Fortune 100, as the firm helped 108 clients raise $378 billion in over 180 debt transactions alongside $22 billion in asset-backed securities (ABS), including the funding of several pre-eminent AI and energy infrastructure projects and some $150 billion of investment grade issuances for financial institutions. During 2025 the corporate group served as Joint Bookrunner / Lead Manager on its 145th deal.

“As an Oakland-based firm, we are deeply invested in the communities we serve. It is a privilege to help cities and districts across the East Bay secure the capital they need to build better schools, safer roads, cleaner water systems, and stronger communities,” said Gary Hall, SWS Co-President.
In California, SWS is currently ranked #4 Senior Manager in municipal underwriting and #4 in the U.S. Higher Education sector. According to LSEG’s SDC Platinum database, the firm is one of the nation’s top-ranked senior managers in municipal rankings, having lead-managed its 43rd municipal bond deal over $1 billion in 2025.
The firm also achieved #1 national ranking in Peer Group Investment Grade USD Bookrunner rankings for Corporate Capital Markets in 2025.
Since 2024, it has directed over $2.1 billion in East Bay transactions related to transportation, water & sewer, higher education and the K-12 sectors, including as Sole Manager for a $353 million Oakland Unified School District transaction, Sole Manager for the inaugural $70 million Alameda County Fire Department transaction, Bookrunning Joint-Senior Manager for a $362 million Peralta Community College District transaction, and Co-Senior Manager for a $925 million Bay Area Rapid Transit District transaction, among other local issuances.
“Siebert Williams Shank works on behalf of our clients every day to finance critical infrastructure projects that drive economic growth, create jobs, and expand the tax base,” said SWS Bay Area Managing Director David Stinfil. “The firm’s engagement across the Bay area closely aligns with our deep presence and history in the region, and vision to continually invest in both communities and people.”
In 2025, the SWS Foundation donated to over 100 organizations including many across the Bay Area doing important work in communities across America. In the aftermath of January 2025’s Los Angeles wildfires, the SWS Foundation supported the California Community Foundation Wildfire Recovery Fund and the Los Angeles Fire Department Foundation to aid recovery efforts.
Dually headquartered in Oakland, CA, and New York, NY, SWS is an independent non-bank financial services firm that offers investment banking, sales and trading, research, and advisory services. Its mission is to exceed expectations through value-added results and leave a lasting impact on the sectors, corporations, and communities it serves. SWS counts over 80 Fortune 100 companies among its clients.



