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Startups & Venture·October 8, 2026·1 min read

Siebert Williams Shank CEO on 30 Year Anniversary

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A muni underwriter that now serves 80 of the Fortune 100 and grows via M&A shows how niche financial infrastructure can scale into broad capital markets. For founders in specialized finance or infra, the path is clear—own a narrow product, then expand across instruments and client tiers.