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Insights

Niche Focus Target Law Practice with a regional footprint serving Illinois and Northwest Indiana, focusing on community associations, real estate, landlord-tenant, and corporate law to identify cross-sell opportunities for ancillary services and bundled legal packages.

Mid-Market Scale Small to mid-sized firm with 11-50 employees and revenue in the 1-10M range presents opportunities for tiered retainer models, scalable outsourcing, and flexible engagement options for ongoing corporate and litigation support.

Technology Stack Leverage their lightweight tech stack (Open Graph, JSON-LD, jQuery, Slider Revolution) to position cloud-based document management, e-signature, and client portal enhancements as value-adds for efficiency, compliance, and client experience.

Expansion Potential Geographic focus on Illinois and Northwest Indiana hints at readiness for strategic alliances or acquisitions in neighboring markets, plus opportunities to expand services to emerging sectors within community associations and real estate.

Competitive Benchmarking Position Costello Sury & Rooney against mid-tier and large firms with similar service lines by offering specialized expertise in community associations and local real estate, emphasizing responsive service, flexible pricing, and localized knowledge to win smaller clients from bigger firms.

Similar companies to Costello Sury, P.C.

Costello Sury, P.C. Tech Stack

Costello Sury, P.C. uses 8 technology products and services including gstatic.com, Open Graph, RSS, and more. Explore Costello Sury, P.C.'s tech stack below.

  • gstatic.com
    Content Delivery Network
  • Open Graph
    Content Management System
  • RSS
    Content Management System
  • WordPress
    Content Management System
  • Google Fonts API
    Font Scripts
  • Mailcheck
    Javascript Libraries
  • WP Engine
    Platform As A Service

Costello Sury, P.C.'s Email Address Formats

Costello Sury, P.C. uses at least 4 email formats:
Costello Sury, P.C. Email FormatsExamplePercentage
FLast@costellaw.comJDoe@costellaw.com
100%
First@keaycostello.comJohn@keaycostello.com
62%
FLast@keaycostello.comJDoe@keaycostello.com
30%
FirstL@keaycostello.comJohnD@keaycostello.com
8%

Frequently Asked Questions

What is Costello Sury, P.C.'s phone number?

Minus sign iconPlus sign icon You can contact Costello Sury, P.C.'s main corporate office by phone at
+1-312-541-****
. 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 Costello Sury, P.C.'s official website and social media links?

Minus sign iconPlus sign iconCostello Sury, P.C.'s official website is csrlawfirm.com and has social profiles on LinkedIn.

How much revenue does Costello Sury, P.C. generate?

Minus sign iconPlus sign icon As of September 2026, Costello Sury, P.C.'s annual revenue is estimated to be $1M - $10M.

What is Costello Sury, P.C.'s SIC code and NAICS code?

Minus sign iconPlus sign iconCostello Sury, P.C.'s SIC code is 8111 - Legal Services and NAICS code is 54111 - Offices of Lawyers.

How many employees does Costello Sury, P.C. have currently?

Minus sign iconPlus sign iconAs of September 2026, Costello Sury, P.C. has approximately 15 employees across 1 continents, including North America. Key team members include Managing Partner: D. C., Owner: J. C. E. and Office Manager: J. S. Explore Costello Sury, P.C.'s employee directory with LeadIQ.

What industry does Costello Sury, P.C. belong to?

Minus sign iconPlus sign iconCostello Sury, P.C. operates in the Law Practice industry.

What technology does Costello Sury, P.C. use?

Minus sign iconPlus sign iconCostello Sury, P.C.'s tech stack includes gstatic.com, Open Graph, RSS, WordPress, Microsoft 365, Google Fonts API, Mailcheck and WP Engine.

What is Costello Sury, P.C.'s email format?

Minus sign iconPlus sign iconCostello Sury, P.C.'s email format typically follows the pattern of FLast@costellaw.com. Find more Costello Sury, P.C. email formats with LeadIQ.

When was Costello Sury, P.C. founded?

Minus sign iconPlus sign iconCostello Sury, P.C. was founded in 1989.
Costello Sury, P.C. logo

Costello Sury, P.C.

Law PracticeIllinois, United States11-50 Employees

Costello Sury & Rooney is a law firm based in Oakbrook Terrace, Illinois, serving clients across Illinois and Northwest Indiana. Its practice encompasses community association law, real estate, landlord and tenant matters, business and corporate law, and litigation.

The firm serves individuals, businesses, community associations, and other forms of business organizations, providing legal services across these areas. As a smaller regional practice, it emphasizes close client engagement and a focus on local legal needs. It positions itself as a regional law practice offering a broad range of services to address civil, commercial, and related matters.

Section iconCompany Overview

Phone number
+1-312-541-****
Website
csrlawfirm.com
SIC Code
8111 - Legal Services
NAICS Code
54111 - Offices of Lawyers
Founded
1989
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Costello Sury, P.C.'s revenue is estimated to be in the range of $1M - $10M

Company Leadership

  • Managing Partner at Costello Sury, P.C.
    D. C.
    Managing Partner
    Mobile Phone
  • Owner at Costello Sury, P.C.
    J. C. E.
    Owner
    Mobile Phone
  • Office Manager at Costello Sury, P.C.
    J. S.
    Office Manager
    Mobile Phone
  • Commercial Real Estate Attorney at Costello Sury, P.C.
    R. S.
    Commercial Real Estate Attorney
    Mobile Phone
  • Real Estate Litigation Attorney at Costello Sury, P.C.
    J. B.
    Real Estate Litigation Attorney
    Mobile Phone

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