Insights

Acquisition leverage StoneCastle recently became part of Fiserv, signaling a strategic shift and potential access to a broader payments and financial technology ecosystem. This creates sales opportunities to cross-sell technology-enabled deposit, cash management, and liquidity solutions to Fiserv clients and affiliates.

Scale potential With over 22 billion in assets under administration and a robust bank network, there is room to expand managed deposits, cash management services, and capital investment programs for banks, brokerages, RIAs, and financial brands seeking scalable, tech-driven solutions.

Tech-enabled edge StoneCastle emphasizes proprietary processing and analytical systems. Selling opportunities exist to upgrade or integrate clients with advanced tech stacks for deposit platforms, analytics, white-labeled solutions, and enhanced security features, leveraging their existing tech footprint.

Employer recognition Being named a Best Place to Work in Financial Technology highlights strong employee engagement and culture. This can be positioned in conversations with potential clients as a sign of stable, innovative leadership and reliable service delivery.

Strategic partnerships Existing backing from CIBC and Charlesbank Capital Partners, plus recent collaborations, indicate a network-ready profile. This offers sales avenues to engage corporate and institutional clients who value established financial relationships and growth-backed platforms.

StoneCastle Tech Stack

StoneCastle uses 8 technology products and services including Hotjar, Atlassian, JSS, and more. Explore StoneCastle's tech stack below.

  • Hotjar
    Analytics
  • Atlassian
    Application Development & Management
  • JSS
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Webflow
    Page Builders
  • Yoast SEO
    Search Engines
  • reCAPTCHA
    Security
  • Google Tag Manager
    Tag Management

StoneCastle's Email Address Formats

StoneCastle uses at least 1 format(s):
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

Where is StoneCastle's headquarters located?

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StoneCastle's main headquarters is located at 152 West 57th Street 35th Floor New York, New York 10019 United States. The company has employees across 4 continents, including North AmericaAfricaEurope.

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 LinkedInCrunchbase.

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 May 2026, StoneCastle has approximately 91 employees across 4 continents, including North AmericaAfricaEurope. Key team members include CEO: S. R.Coo & Cto: S. T.Chief Administrative Officer: J. L.. 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 HotjarAtlassianJSSjQueryWebflowYoast SEOreCAPTCHAGoogle Tag Manager.

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 May 2026, StoneCastle has raised $9M 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

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

Headquarters
152 West 57th Street 35th Floor New York, New York 10019 United States
Phone number
NAICS Code
52 - Finance and Insurance
Founded
2003
Employees
51-200

Section iconFunding & Financials

  • $9M

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

  • $100M$250M

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

Section iconFunding & Financials

  • $9M

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

  • $100M$250M

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

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