Insights

Market positioning Established long-standing law firm with a diverse client base across public corporations, middle-market companies, nonprofits, and individuals. Potential sales angle: premium legal services, cross-industry solutions, and trusted-advisor relationships that can be expanded to new sectors or higher-value engagements.

Service breadth Five core practice groups (Business, Litigation, Local Government, Tax and Estate Planning, Real Estate) indicate opportunities to cross-sell integrated services for clients with evolving needs such as M&A, regulatory compliance, dispute resolution, and succession planning.

Leadership changes Recent leadership appointments including managing partner CEO and new hires suggest a period of strategic refresh. Sales approach: engage on strategic initiatives, leadership-driven expansion, and enhanced client experience programs aligned with the firm’s growth trajectory.

Technology stack Utilizes common web and CMS technologies (Drupal, jQuery, Bootstrap) and digital assets (Google Fonts, Font Awesome). Opportunity to propose modern client-facing platforms, knowledge management, or virtual collaboration tools to improve service delivery and client engagement.

Growth opportunities Revenue range indicates a mid-market scale with potential for expansion into specialized sectors or geographies. Focus on mid-market client expansion, advocacy for hybrid-work culture solutions, and scalable compliance and tax planning services to drive additional billable hours and retainer opportunities.

Arnstein & Lehr LLP Tech Stack

Arnstein & Lehr LLP uses 8 technology products and services including Drupal, Google Fonts API, Font Awesome, and more. Explore Arnstein & Lehr LLP's tech stack below.

  • Drupal
    Content Management System
  • Google Fonts API
    Font Scripts
  • Font Awesome
    Font Scripts
  • jQuery
    Javascript Libraries
  • Lightbox
    Javascript Libraries
  • OWL Carousel
    Javascript Libraries
  • PHP
    Programming Languages
  • Bootstrap
    UI Frameworks

Media & News

Arnstein & Lehr LLP's Email Address Formats

Arnstein & Lehr LLP uses at least 1 format(s):
Arnstein & Lehr LLP Email FormatsExamplePercentage
FLast@arnstein.comJDoe@arnstein.com
57%
Last@arnstein.comDoe@arnstein.com
37%
FMLast@arnstein.comJMDoe@arnstein.com
4%
FiLast@arnstein.comJoDoe@arnstein.com
2%

Frequently Asked Questions

Where is Arnstein & Lehr LLP's headquarters located?

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Arnstein & Lehr LLP's main headquarters is located at 120 South Riverside Plaza Suite 1200 Chicago, Illinois 60606 United States. The company has employees across 2 continents, including North AmericaEurope.

What is Arnstein & Lehr LLP's phone number?

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You can contact Arnstein & Lehr 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 Arnstein & Lehr LLP's official website and social media links?

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Arnstein & Lehr LLP's official website is arnstein.com and has social profiles on LinkedIn.

What is Arnstein & Lehr LLP's NAICS code?

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Arnstein & Lehr LLP's NAICS code is 54111 - Offices of Lawyers.

How many employees does Arnstein & Lehr LLP have currently?

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As of February 2026, Arnstein & Lehr LLP has approximately 335 employees across 2 continents, including North AmericaEurope. Key team members include Partner: M. D.Partner: J. R.Partner: J. S.. Explore Arnstein & Lehr LLP's employee directory with LeadIQ.

What industry does Arnstein & Lehr LLP belong to?

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Arnstein & Lehr LLP operates in the Law Practice industry.

What technology does Arnstein & Lehr LLP use?

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Arnstein & Lehr LLP's tech stack includes DrupalGoogle Fonts APIFont AwesomejQueryLightboxOWL CarouselPHPBootstrap.

What is Arnstein & Lehr LLP's email format?

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Arnstein & Lehr LLP's email format typically follows the pattern of FLast@arnstein.com. Find more Arnstein & Lehr LLP email formats with LeadIQ.

Arnstein & Lehr LLP

Law PracticeIllinois, United States201-500 Employees

Arnstein & Lehr LLP is a Chicago-based law firm with more than 120 years of history, providing full-service legal services. It serves a diverse client base including large publicly traded corporations, middle-market companies, nonprofit organizations, and emerging businesses, as well as government, healthcare entities, higher education institutions, financial institutions, and trade associations across multiple sectors. In addition to corporate matters, the firm advises individuals on personal legal needs, such as estate planning, probate matters, and wealth transfer between generations. Arnstein & Lehr operates through five main service groups—Business, Litigation, Local Government, Tax and Estate Planning, and Real Estate—and emphasizes collaboration across practice areas to structure, negotiate, close transactions, and handle disputes. The firm is located at 120 South Riverside Plaza Suite 1200 in Chicago, IL 60606, United States, employs between 201 and 500 people, maintains a website at https://arnstein.com, and reports annual revenue in the range of $50 million to $100 million.

Section iconCompany Overview

Headquarters
120 South Riverside Plaza Suite 1200 Chicago, Illinois 60606 United States
Phone number
NAICS Code
54111 - Offices of Lawyers
Employees
201-500

Section iconFunding & Financials

  • $50M$100M

    Arnstein & Lehr LLP's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Arnstein & Lehr LLP's revenue is estimated to be in the range of $50M$100M

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