Insights

Growth trajectory A long-standing firm with two offices and recent attorney hires signals ongoing capacity expansion across corporate, estate planning and litigation services, presenting opportunities for partnerships and referral networks to capture more mid-market clients.

Digital marketing upside A 2024 website redesign undertaken with Chartwell shows openness to digital marketing; extend opportunities in SEO, content strategy, lead generation and analytics to improve client acquisition across core practice areas.

Cross state focus Operations across Illinois and Wisconsin serving municipalities, financial institutions, healthcare providers, educational institutions and private firms create demand for cross-border regulatory compliance, privacy, eDiscovery and matter-management solutions.

Tech and security Reliance on a modern WordPress-based tech stack suggests opportunity to offer secure client portals, integrated matter management, data privacy compliance, and scalable hosted IT services tailored to law firms.

Growth oriented BD Diverse client base including public entities and corporations, together with ongoing talent expansion, indicates potential for business development programs, client intake automation, and RFP readiness services to win larger state and municipal contracts.

WilliamsMcCarthy LLP Tech Stack

WilliamsMcCarthy LLP uses 8 technology products and services including WP Rocket, Fastly, Font Awesome, and more. Explore WilliamsMcCarthy LLP's tech stack below.

  • WP Rocket
    Caching
  • Fastly
    Content Delivery Network
  • Font Awesome
    Font Scripts
  • jQuery
    Javascript Libraries
  • OWL Carousel
    Javascript Libraries
  • Swiper
    Javascript Libraries
  • imagesLoaded
    Javascript Libraries
  • YouTube
    Video Players

WilliamsMcCarthy LLP's Email Address Formats

WilliamsMcCarthy LLP uses at least 1 format(s):
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

Where is WilliamsMcCarthy LLP's headquarters located?

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WilliamsMcCarthy LLP's main headquarters is located at 120 West State Street Rockford, Illinois 61101 United States. The company has employees across 1 continents, including North America.

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.

What is WilliamsMcCarthy LLP's NAICS code?

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WilliamsMcCarthy LLP's NAICS code is 54111 - Offices of Lawyers.

How many employees does WilliamsMcCarthy LLP have currently?

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As of April 2026, WilliamsMcCarthy LLP has approximately 31 employees across 1 continents, including North America. Key team members include President: J. H.Partner: A. N.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 WP RocketFastlyFont AwesomejQueryOWL CarouselSwiperimagesLoadedYouTube.

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

Headquarters
120 West State Street Rockford, Illinois 61101 United States
Phone number
Website
wilmac.com
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

Section iconFunding & Financials

  • $1M$10M

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

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