Insights

Boutique scale CastleOak Securities operates as a boutique investment bank with a lean team of 51-200 employees, presenting a sales opportunity to offer specialized fintech, data analytics, and client onboarding solutions tailored to mid-sized firms seeking high-touch service and scalable infrastructure.

Public markets traction With participation in public offerings totaling over $4 trillion and a mandate in capital markets, there is a strong case for selling capital markets technology, regulatory compliance tools, and workflow automation that enhances deal execution, reporting, and client servicing for boutique banks.

Tech ecosystem Existing tech stack includes QuickBooks, iCIMS, Canva, Salesforce, ADP HRMS, Google Cloud, WP Engine, and Greenhouse, indicating openness to integrated cloud-based solutions, CRM/HR tech upgrades, and scalable infrastructure that can improve efficiency and data quality.

Leadership and talent moves Historical leadership changes, including a managing director transition and interim EM program leadership, signal opportunities for executive coaching, succession planning, and leadership-focused analytics or RPO services to stabilize wind-downs or growth phases.

Strategic partnerships Past collaboration with Bloomberg to launch advanced trade execution platforms suggests appetite for fintech partnerships, data integration, and co-development opportunities that can enhance trading workflows and competitive differentiation.

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CastleOak Securities Tech Stack

CastleOak Securities uses 8 technology products and services including QuickBooks, iCIMS, Canva, and more. Explore CastleOak Securities's tech stack below.

CastleOak Securities's Email Address Formats

CastleOak Securities uses at least 4 email formats:
CastleOak Securities Email FormatsExamplePercentage
FLast@castleoaklp.comJDoe@castleoaklp.com
80%
First.Last@castleoaklp.comJohn.Doe@castleoaklp.com
17%
Last@castleoaklp.comDoe@castleoaklp.com
2%
FMiddleLast@castleoaklp.comJMichaelDoe@castleoaklp.com
1%

Frequently Asked Questions

What is CastleOak Securities's official website and social media links?

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CastleOak Securities's official website is castleoaklp.com and has social profiles on LinkedIn.

How much revenue does CastleOak Securities generate?

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As of October 2026, CastleOak Securities's annual revenue is estimated to be $50M - $100M.

What is CastleOak Securities's SIC code and NAICS code?

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CastleOak Securities's SIC code is 6211 - Security Brokers, Dealers, and Flotation Companies and NAICS code is 52 - Finance and Insurance.

How many employees does CastleOak Securities have currently?

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As of October 2026, CastleOak Securities has approximately 88 employees across 2 continents, including North America and Europe. Key team members include Managing Director, Agency Capital Markets: I. B., Managing Director, Investment Banking: J. G. and Managing Director: K. S. Explore CastleOak Securities's employee directory with LeadIQ.

What industry does CastleOak Securities belong to?

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CastleOak Securities operates in the Financial Services industry.

What technology does CastleOak Securities use?

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CastleOak Securities's tech stack includes QuickBooks, iCIMS, Canva, Salesforce, ADP HRMS, Google Cloud, WP Engine and Greenhouse.

What is CastleOak Securities's email format?

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CastleOak Securities's email format typically follows the pattern of FLast@castleoaklp.com. Find more CastleOak Securities email formats with LeadIQ.

When was CastleOak Securities founded?

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CastleOak Securities was founded in 2006.
CastleOak Securities logo

CastleOak Securities

Financial ServicesNew York, United States51-200 Employees

CastleOak Securities is a New York City–based boutique investment bank that concentrates on capital markets, serving corporate, governmental, and institutional clients. Founded in 2006, the firm has a professional team of about 75 people and has supported clients in public offerings totaling more than $4 trillion. It operates within the financial services sector and is headquartered at 200 Vesey Street in New York, New York. 
In February 2024, a managing director departed CastleOak Securities to join a $254 billion pension fund. The executive had previously served as interim director of the EM program at the firm.

Section iconCompany Overview

SIC Code
6211 - Security Brokers, Dealers, and Flotation Companies
NAICS Code
52 - Finance and Insurance
Founded
2006
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

    CastleOak Securities's revenue is estimated to be in the range of $50M - $100M

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