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Sia/Addison's Overview

Total employees
HeadquartersChicago
Founded1962

Addison Group is a prominent professional services firm specializing in talent solutions and consulting across the United States. They offer a diverse range of services including IT, finance & accounting, healthcare, human resources, engineering, and administration staffing, alongside executive search and project-based consulting. Addison Group focuses on connecting highly skilled professionals with companies in various sectors, aiming to deliver impactful results and cultivate long-term partnerships with both clients and candidates.

Where is Sia/Addison's Headquarters?

HQ Function

The headquarters serves as the central command for corporate operations, strategic planning, executive leadership, and provides national support functions for Addison Group's extensive network of specialized service lines.

Notable Features:

Situated in a modern, Class A office tower in Chicago's Loop, the headquarters offers state-of-the-art facilities, fostering a professional and collaborative environment. Its location provides excellent accessibility and proximity to clients and partners.

Work Culture:

The HQ cultivates a dynamic, results-driven, and team-oriented work culture. Employees typically experience a fast-paced environment that emphasizes client satisfaction, continuous learning, professional growth, and collaborative success.

HQ Significance:

Addison Group's Chicago headquarters is pivotal as it anchors the firm's national operations, dictates strategic direction, and supports its numerous offices across the country, ensuring consistent service quality and brand identity.

Values Reflected in HQ: The headquarters' prime location, professional environment, and modern facilities reflect Addison Group's core values of excellence, integrity, partnership, and a commitment to leading the talent solutions industry.

Location:

Addison Group primarily operates across the United States, with a robust national presence supported by an extensive network of offices in major metropolitan areas. They deliver a comprehensive suite of talent solutions and consulting services nationwide, including specialized staffing in Information Technology, Finance & Accounting, Healthcare, Human Resources, Engineering, Digital Marketing, and Administration. Their model focuses on providing localized market expertise with the backing of a national support structure to serve diverse industries effectively.

Street Address:

125 S Wacker Dr, Suite 2700

City:

Chicago

State/Province:

IL

Country:

USA

Sia/Addison's Global Presence

Dallas, TX, USA

Address: 5420 LBJ Freeway, Suite 1475, Dallas, TX 75240

Acts as a crucial operational center for the Southwest region, addressing the high demand for skilled professionals and customized talent solutions in the rapidly growing Texas market.

New York, NY, USA

Address: 10 Grand Central, 155 East 44th Street, 5th Floor, New York, NY 10017

Functions as a strategic office for the Northeast, leveraging New York's position as a global business and financial center to serve a wide array of high-profile clients and specialized talent pools.

Schaumburg, IL, USA

Address: 10 N. Martingale Road, Suite 150, Schaumburg, IL 60173

Caters to businesses in the northwestern suburbs of Chicago, providing localized expertise and talent access for a diverse range of industries present in the region.

Buying Intent Signals for Sia/Addison

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Sia/Addison

As of April 2025, Sia/Addison' leadership includes:

Thomas Moran - Chief Executive Officer
Phil Bales - Chief Financial Officer
Lindsey FIMA - Chief People Officer
Steve Wolfe - President, IT & Engineering Consulting and Staffing
Ed Kavanagh - President, Finance & Accounting Contract

Investors of Sia/Addison

Sia/Addison has been backed by several prominent investors over the years, including:

Odyssey Investment Partners

Executive New Hires/Exits in the Last 12 Months

Hire1
Exits0

Over the past year, Addison Group has focused on strengthening its leadership team through key appointments and internal promotions to support its continued growth and enhance service capabilities across its specialized practices. Notable changes include the appointment of a new Chief People Officer and promotions to presidential roles within key divisions.

New Appointments:

Lindsey FIMA, Lindsey FIMA appointed as new Chief People Officer to oversee human capital strategy.
Ed Kavanagh, Ed Kavanagh promoted internally to President, Finance & Accounting Contract.
Steve Wolfe, Steve Wolfe promoted internally to President, IT & Engineering Consulting and Staffing.

Technology (Tech Stack) used by Sia/Addison

Discover the tools Sia/Addison uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Sia/Addison Email Formats and Examples

Addison Group typically employs a consistent email format for its employees, most commonly using a combination of the employee's first initial and last name followed by the company domain. Knowing this pattern can be helpful for reaching out to professionals within the organization.

[first_initial][last]@addisongroup.com

Format

jdoe@addisongroup.com

Example

85%

Success rate

News and media

PR NewswireMay 2, 2024

Addison Group Named to Forbes List of America’s Best Recruiting and Temporary Staffing Firms 2024

Addison Group announced its inclusion in the prestigious Forbes list of America’s Best Recruiting and Temporary Staffing Firms for 2024. This recognition underscores the company's commitment to excellence and its strong reputation in providing top-tier professional staffing and executive search services across the nation....more

PR NewswireFebruary 6, 2024

Addison Group Recognized on ClearlyRated's Best of Staffing Client, Talent, and Employee Satisfaction Lists for 2024

Addison Group received ClearlyRated's 2024 Best of Staffing awards for Client, Talent, and Employee satisfaction. This marks the fifth consecutive year for Client and Talent satisfaction, highlighting their dedication to superior service and positive experiences for all stakeholders....more

Business WireMay 16, 2023

Addison Group Appoints Lindsey FIMA as Chief People Officer

Addison Group announced the strategic appointment of Lindsey FIMA as its new Chief People Officer. In this role, FIMA is responsible for spearheading the company's comprehensive human resources strategy, focusing on talent acquisition, development, and employee engagement to support Addison Group's continued growth....more

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