Insights

Acquisition Opportunity StoneCastle recently became part of Fiserv, indicating a consolidated client base and potential cross-sell opportunities for Fiserv’s payments and fintech solutions alongside StoneCastle’s deposit and cash management capabilities.

AUM Momentum With over $22 billion in assets under administration and an emphasis on cash management for banks, institutions, and RIAs, there is strong potential to upsell advanced cash management, liquidity solutions, and integrated treasury services.

Bank Network An extensive bank network and proprietary processing power position StoneCastle as a gateway for scalable deposit programs and technology-enabled solutions that can complement existing Fiserv bank and credit union clients.

Tech-Enabled Sell Current tech stack and analytics capabilities support selling of modernized, data-driven deposit strategies; opportunities exist to bundle analytics, optimization, and automated cash management with broader Fiserv offerings.

Growth & Talent Recognized as a best place to work in fintech and backed by major investors, StoneCastle’s growth trajectory and employee ownership can be leveraged to target mid-market financial institutions seeking reputable partners with stable, long-term commitments.

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StoneCastle Tech Stack

StoneCastle uses 8 technology products and services including Hotjar, Linkedin Insight Tag, Amazon Web Services, and more. Explore StoneCastle's tech stack below.

StoneCastle's Email Address Formats

StoneCastle uses at least 4 email formats:
StoneCastle Email FormatsExamplePercentage
FLast@stonecastle.comJDoe@stonecastle.com
97%
Middle@stonecastle.comMichael@stonecastle.com
1%
Last@stonecastle.comDoe@stonecastle.com
1%
FMiddleLast@stonecastle.comJMichaelDoe@stonecastle.com
1%

Frequently Asked Questions

What is StoneCastle's phone number?

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You can contact StoneCastle's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is StoneCastle's official website and social media links?

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StoneCastle's official website is stonecastle.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does StoneCastle generate?

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As of August 2026, StoneCastle's annual revenue is estimated to be $100M - $250M.

What is StoneCastle's NAICS code?

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StoneCastle's NAICS code is 52 - Finance and Insurance.

How many employees does StoneCastle have currently?

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As of August 2026, StoneCastle has approximately 89 employees across 4 continents, including North America, Africa and Europe. Key team members include Chief Administrative Officer: J. L., Vice President Marketing: C. T. and Board Member: B. D. Explore StoneCastle's employee directory with LeadIQ.

What industry does StoneCastle belong to?

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StoneCastle operates in the Financial Services industry.

What technology does StoneCastle use?

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StoneCastle's tech stack includes Hotjar, Linkedin Insight Tag, Amazon Web Services, WordPress, Amazon Simple Email Service, Microsoft 365, HubSpot and Webflow.

What is StoneCastle's email format?

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StoneCastle's email format typically follows the pattern of FLast@stonecastle.com. Find more StoneCastle email formats with LeadIQ.

How much funding has StoneCastle raised to date?

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As of August 2026, StoneCastle has raised $99M in funding. The last funding round occurred on Sep 06, 2012 for $9M.

When was StoneCastle founded?

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StoneCastle was founded in 2003.
StoneCastle logo

StoneCastle

Financial ServicesNew York, United States51-200 Employees

StoneCastle is a financial services firm based in New York City and now part of Fiserv. Founded in 2003, it connects banks with institutional and retail investors through cash management, insured deposits, and capital investment solutions. Along with its affiliates, the company oversees more than $22 billion in assets under administration, drawing on its network of banks and its analytical capabilities to support these offerings.

The company is employee-owned and managed, with ownership backing from the Canadian Imperial Bank of Commerce and Charlesbank Capital Partners. In 2025, Fiserv acquired StoneCastle Partners, LLC, integrating its platform into a broader payments and financial services technology group.

Section iconCompany Overview

Phone number
NAICS Code
52 - Finance and Insurance
Founded
2003
Employees
51-200

Section iconFunding & Financials

  • $99M

    StoneCastle has raised a total of $99M of funding over 3 rounds. Their latest funding round was raised on Sep 06, 2012 in the amount of $9M as a Private Equity.

  • $100M - $250M

    StoneCastle's revenue is estimated to be in the range of $100M - $250M

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