Insights

Growth Expansion Recent office openings in Boston and Montgomery signal ongoing geographic growth and capacity expansion for Siebert Williams Shank. This creates opportunities for regional services such as local market intelligence, office build-outs, IT infrastructure deployment, security and compliance, and regional sales and client development support. Highlights potential partnerships with local vendors, facilities management, and regulatory advisory services to support multi-market operations.

MWBE Advantage Siebert Williams Shank positions itself as a leading minority- and women-owned non-bank financial firm, presenting a distinct vendor and partner identity. This may open doors for diversity-focused procurement programs, preferred supplier relationships, and co-marketing opportunities that resonate with MWBE-friendly clients and sponsors. Potential sales angles include offering certified minority-owned services, capital markets technology vendors, or advisory services aligned with MWBE development goals.

Public Finance Focus Hires and leadership in taxable fixed-income and muni sales and trading indicate a reinforced focus on infrastructure and public finance. This creates opportunities for debt issuance software, underwriting platforms, market data and analytics, risk management tools, and client relationship solutions tailored to government and quasi-government entities, as well as financing and advisory services for public sector projects.

Marketing Tech Focus Adoption of Salesforce Marketing Cloud Account Engagement and production of industry podcast demonstrate emphasis on digital marketing, content leadership, and demand generation. Opportunity for marketing tech vendors to improve ABM, CRM data quality, analytics, and marketing operations; potential services include CRM optimization, campaign orchestration, data integration, podcast production, and analytics to drive client acquisition and retention.

Tech Modernization Tech stack including AWS, TradeWeb, PHP, JSON-LD, and jQuery Migrate suggests cloud-based infrastructure with trading and web-centric applications. This presents cross-sell opportunities for cloud optimization, security and compliance, API and data integration, software development, managed hosting, and data management solutions to support trading workflows and client servicing.

Siebert Williams Shank Tech Stack

Siebert Williams Shank uses 8 technology products and services including TradeWeb, Amazon Web Services, Microsoft 365, and more. Explore Siebert Williams Shank's tech stack below.

  • TradeWeb
    Accounting And Finance
  • Amazon Web Services
    Cloud Hosting
  • Microsoft 365
    Email
  • JSON-LD
    Javascript Frameworks
  • jQuery Migrate
    Javascript Libraries
  • Salesforce Marketing Cloud Account Engagement
    Marketing Automation
  • Priority Hints
    Performance
  • PHP
    Programming Languages

Media & News

Siebert Williams Shank's Email Address Formats

Siebert Williams Shank uses at least 1 format(s):
Siebert Williams Shank Email FormatsExamplePercentage
FLast@siebertwilliams.comJDoe@siebertwilliams.com
96%
Last@siebertwilliams.comDoe@siebertwilliams.com
4%

Frequently Asked Questions

Where is Siebert Williams Shank's headquarters located?

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Siebert Williams Shank's main headquarters is located at 100 Wall Street 18th Floor New York, New York 10004 United States. The company has employees across 2 continents, including North AmericaEurope.

What is Siebert Williams Shank's official website and social media links?

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Siebert Williams Shank's official website is siebertwilliams.com and has social profiles on LinkedInCrunchbase.

What is Siebert Williams Shank's NAICS code?

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Siebert Williams Shank's NAICS code is 52311 - Investment Banking and Securities Dealing.

How many employees does Siebert Williams Shank have currently?

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As of May 2026, Siebert Williams Shank has approximately 159 employees across 2 continents, including North AmericaEurope. Key team members include Chief Executive Officer: S. S.Chief Administrative Officer / Senior Managing Director: B. T.Chief Administrative Officer/Senior Managing Director: W. T.. Explore Siebert Williams Shank's employee directory with LeadIQ.

What industry does Siebert Williams Shank belong to?

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Siebert Williams Shank operates in the Investment Banking industry.

What technology does Siebert Williams Shank use?

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Siebert Williams Shank's tech stack includes TradeWebAmazon Web ServicesMicrosoft 365JSON-LDjQuery MigrateSalesforce Marketing Cloud Account EngagementPriority HintsPHP.

What is Siebert Williams Shank's email format?

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Siebert Williams Shank's email format typically follows the pattern of FLast@siebertwilliams.com. Find more Siebert Williams Shank email formats with LeadIQ.

When was Siebert Williams Shank founded?

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Siebert Williams Shank was founded in 1996.

Siebert Williams Shank

Investment BankingNew York, United States51-200 Employees

Siebert Williams Shank is a full-service investment banking and financial services firm founded in 1996 and based on 100 Wall Street in New York City. The company operates within the investment banking sector, offering services that support capital markets activity and related financial services for clients, including specialized expertise in fixed income and public finance. It positions itself as a minority- and women-owned non-bank financial firm, serving clients that require advisory and execution capabilities in municipal sales and broader capital market transactions. The organization has expanded its geographic footprint in recent years, opening new offices in Boston and Montgomery, reflecting growth beyond its original New York base. The firm has pursued leadership appointments and hires to strengthen its capabilities across infrastructure, public finance, and fixed-income segments.

Section iconCompany Overview

Headquarters
100 Wall Street 18th Floor New York, New York 10004 United States
NAICS Code
52311 - Investment Banking and Securities Dealing
Founded
1996
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    Siebert Williams Shank's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Siebert Williams Shank's revenue is estimated to be in the range of $100M$250M

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