Insights

Market Positioning Ottosen DiNolfo Hasenbalg & Castaldo is a mid-sized law firm specializing in government, business, and estate planning services, positioning it well to target local government agencies and small to medium-sized enterprises seeking legal support in these sectors.

Digital Presence The firm's website built on WordPress and use of modern technologies like Google Fonts API and LiteSpeed indicates an investment in maintaining a professional and accessible digital presence, providing opportunities for digital marketing and client engagement solutions.

Competitive Landscape With competitors ranging from large firms like Sidley Austin and Kirkland & Ellis to regional entities, there is an opportunity to differentiate through tailored legal solutions for specific client segments such as local governments or family estates.

Growth Potential Generating revenue between $10 million and $25 million with a modest team suggests room for expansion through enhanced marketing, service diversification, or technology adoption targeting underserved local or niche markets.

Technology Needs Given the current tech stack, there is potential to introduce advanced legal tech solutions, client portals, or AI-driven case management tools to improve efficiency and client service, creating sales opportunities in legal technology solutions.

Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. Tech Stack

Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. uses 8 technology products and services including WordPress, Google Fonts API, Cornerstone, and more. Explore Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s tech stack below.

  • WordPress
    Content Management System
  • Google Fonts API
    Font Scripts
  • Cornerstone
    Human Resource Management System
  • Mailcheck
    Javascript Libraries
  • jQuery Migrate
    Javascript Libraries
  • X-XSS-Protection
    Security
  • X-Content-Type-Options
    Web & Portal Technology
  • LiteSpeed
    Web Servers

Media & News

Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s Email Address Formats

Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. uses at least 2 format(s):
Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. Email FormatsExamplePercentage
FLast@ottosenbritz.comJDoe@ottosenbritz.com
96%
First.Last@ottosenbritz.comJohn.Doe@ottosenbritz.com
4%
FLast@ottosenlaw.comJDoe@ottosenlaw.com
100%

Frequently Asked Questions

Where is Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s headquarters located?

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Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s main headquarters is located at 1804 North Naper Boulevard Suite 350 Naperville, Illinois 60563 United States. The company has employees across 2 continents, including North AmericaEurope.

What is Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s phone number?

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You can contact Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'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 Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s official website and social media links?

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Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s official website is ottosenlaw.com and has social profiles on LinkedIn.

What is Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s NAICS code?

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Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s NAICS code is 54111 - Offices of Lawyers.

How many employees does Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. have currently?

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As of February 2026, Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. has approximately 41 employees across 2 continents, including North AmericaEurope. Key team members include Chief Executive Officer: G. S.Partner: M. S.Partner: S. D.. Explore Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s employee directory with LeadIQ.

What industry does Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. belong to?

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Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. operates in the Law Practice industry.

What technology does Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. use?

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Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s tech stack includes WordPressGoogle Fonts APICornerstoneMailcheckjQuery MigrateX-XSS-ProtectionX-Content-Type-OptionsLiteSpeed.

What is Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s email format?

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Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s email format typically follows the pattern of FLast@ottosenbritz.com. Find more Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. email formats with LeadIQ.

When was Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. founded?

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Ottosen DiNolfo Hasenbalg & Castaldo, Ltd. was founded in 1992.

Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.

Law PracticeIllinois, United States11-50 Employees

Suburban Chicago based law firm with emphasis in local government, business, public pension, labor and employment, commercial transactions, estate planning and probate.

Section iconCompany Overview

Headquarters
1804 North Naper Boulevard Suite 350 Naperville, Illinois 60563 United States
Phone number
NAICS Code
54111 - Offices of Lawyers
Founded
1992
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $10M$25M

    Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Ottosen DiNolfo Hasenbalg & Castaldo, Ltd.'s revenue is estimated to be in the range of $10M$25M

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