Insights

Regional footprint WilliamsMcCarthy LLP operates as a sizable northern Illinois firm with headquarters in Rockford and an additional office in Oregon, indicating strong regional reach and potential opportunities with mid-market businesses, municipal entities, and local organizations across Illinois and southern Wisconsin.

Growing talent Recent hires in 2023 to 2025, including associates and partners, show active growth and capability expansion in corporate transactions, estate planning, real estate, and litigation, suggesting opportunities for legal tech, onboarding solutions, and professional services partnerships.

Technology stack Adoption of WordPress, Segment, Microsoft 365, Google Analytics and other modern tools implies openness to digital transformation, marketing automation, client experience enhancements, and data-driven operations that can be addressed with IT and consulting offerings.

Market positioning As one of the larger firms in northern Illinois with a diverse client base including corporations, financial institutions, healthcare, and municipal entities, there are cross-selling opportunities across practice areas and potential collaboration with larger regional vendors.

Growth potential Revenue range and long-standing eighty-year heritage indicate stability with expansion needs, including website modernization, client acquisition, analytics-driven marketing, and scalable workflows to support a growing team handling complex transactions and litigation.

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WilliamsMcCarthy LLP Tech Stack

WilliamsMcCarthy LLP uses 8 technology products and services including WordPress, Segment, Microsoft 365, and more. Explore WilliamsMcCarthy LLP's tech stack below.

  • Content Management System
  • Customer Data Platforms
  • JSON-LD
    Javascript Frameworks
  • Swiper
    Javascript Libraries
  • Google Maps
    Maps
  • Slider Revolution
    Miscellaneous
  • Google Analytics
    Web Analytics

WilliamsMcCarthy LLP's Email Address Formats

WilliamsMcCarthy LLP uses at least 3 email formats:
WilliamsMcCarthy LLP Email FormatsExamplePercentage
FLast@wilmac.comJDoe@wilmac.com
95%
Last@wilmac.comDoe@wilmac.com
3%
Last.First@wilmac.comDoe.John@wilmac.com
2%

Frequently Asked Questions

What is WilliamsMcCarthy LLP's phone number?

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You can contact WilliamsMcCarthy LLP'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 WilliamsMcCarthy LLP's official website and social media links?

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WilliamsMcCarthy LLP's official website is wilmac.com and has social profiles on LinkedIn.

How much revenue does WilliamsMcCarthy LLP generate?

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As of September 2026, WilliamsMcCarthy LLP's annual revenue is estimated to be $1M - $10M.

What is WilliamsMcCarthy LLP's SIC code and NAICS code?

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WilliamsMcCarthy LLP's SIC code is 8111 - Legal Services and NAICS code is 54111 - Offices of Lawyers.

How many employees does WilliamsMcCarthy LLP have currently?

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As of September 2026, WilliamsMcCarthy LLP has approximately 32 employees across 1 continents, including North America. Key team members include President: J. H., Partner: A. N. and Vice-President: R. B. Explore WilliamsMcCarthy LLP's employee directory with LeadIQ.

What industry does WilliamsMcCarthy LLP belong to?

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WilliamsMcCarthy LLP operates in the Law Practice industry.

What technology does WilliamsMcCarthy LLP use?

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WilliamsMcCarthy LLP's tech stack includes WordPress, Segment, Microsoft 365, JSON-LD, Swiper, Google Maps, Slider Revolution and Google Analytics.

What is WilliamsMcCarthy LLP's email format?

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WilliamsMcCarthy LLP's email format typically follows the pattern of FLast@wilmac.com. Find more WilliamsMcCarthy LLP email formats with LeadIQ.

When was WilliamsMcCarthy LLP founded?

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WilliamsMcCarthy LLP was founded in 1937.
WilliamsMcCarthy LLP logo

WilliamsMcCarthy LLP

Law PracticeIllinois, United States11-50 Employees

WilliamsMcCarthy LLP is a law practice with an eighty-year-plus record of serving clients, communities, and the pursuit of justice. Based in Rockford, Illinois, the firm is among the larger practices in northern Illinois and has the resources to support a team of experienced professionals focused on advancing clients' interests. The firm operates from its Rockford headquarters and an office in Oregon, Illinois, and conducts litigation and advisory work across state and federal courts in northern and central Illinois as well as southern Wisconsin.

It serves a diverse mix of clients, including public and privately held corporations, family-owned businesses, financial institutions, health care providers, exempt organizations, educational institutions, municipal entities, and individuals, offering a full range of legal services. The firm serves international, national, regional, state, and local clients, reflecting its cross-border practice across Illinois and Wisconsin. In December 2025 the firm announced the addition of two attorneys, Morgan E. Knight and James W. Roddy.

Section iconCompany Overview

Phone number
Website
wilmac.com
SIC Code
8111 - Legal Services
NAICS Code
54111 - Offices of Lawyers
Founded
1937
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    WilliamsMcCarthy LLP's revenue is estimated to be in the range of $1M - $10M

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