Insights

Premier sponsorship expert IEG is a leading global consultancy specializing in partnership strategy, evaluation and measurement for sponsors and rightsholders, presenting a strong value proposition for brands seeking expert guidance, rigorous analytics and objective sponsorship insights.

Strong growth potential Revenue is in the mid to upper hundreds of millions, indicating a sizable client base and potential for expanding services such as premium valuation, impact measurement, and expanded sponsorship analytics to existing customers.

Global reach With a long history dating back to 1982 and a track record of steering major sponsorship initiatives, IEG presents opportunities to upsell global programs, cross-border sponsorship strategies, and multi-market measurement solutions.

Tech and data power A modern tech stack including AWS, HubSpot, analytics tools, and data platforms positions IEG to leverage advanced measurement, CRM-driven outreach, and data-driven proposals to win new sponsorship and rightsholder engagements.

Strategic partnerships Historical ties to industry leaders and acquisitions (notably WPP involvement) suggest alignment opportunities with marketing agencies, property owners, and brands seeking integrated sponsorship ecosystems and end-to-end valuation services.

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IEG Tech Stack

IEG uses 8 technology products and services including LinkedIn Ads, HubSpot Analytics, iCIMS, and more. Explore IEG's tech stack below.

LinkedIn Ads
Advertising
HubSpot Analytics
Analytics
iCIMS
Applicant Tracking Systems
Amazon Web Services
Cloud Hosting
WordPress
Content Management System
Microsoft 365
Email
Piwik PRO Core
Web Analytics
Contact Form 7
Web Platform Extensions

Media & News

IEG's Email Address Formats

IEG uses at least 8 email formats:

IEG Email Formats	Example	Percentage
First.Last@sponsorship.com	John.Doe@sponsorship.com	83%
FLast@sponsorship.com	JDoe@sponsorship.com	9%
Last@sponsorship.com	Doe@sponsorship.com	5%
First_Last@sponsorship.com	John_Doe@sponsorship.com	3%
FLast@iegworld.com	JDoe@iegworld.com	44%
First@iegworld.com	John@iegworld.com	25%
First.L@iegworld.com	John.D@iegworld.com	19%
First_L@iegworld.com	John_D@iegworld.com	12%

Frequently Asked Questions

What is IEG's phone number?

You can contact IEG's main corporate office by phone at

+1-312-944-****

. 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 IEG's stock symbol?

IEG is a publicly traded company; the company's stock symbol is RIEG.L.

What is IEG's official website and social media links?

IEG's official website is sponsorship.com and has social profiles on LinkedIn.

How much revenue does IEG generate?

As of October 2026, IEG's annual revenue is estimated to be $250M - $500M.

What is IEG's SIC code and NAICS code?

IEG's SIC code is 8742 - Management Consulting Services and NAICS code is 541613 - Marketing Consulting Services.

How many employees does IEG have currently?

As of October 2026, IEG has approximately 369 employees across 6 continents, including Asia, North America and Africa. Key team members include Chief Financial Officer: B. P., Owner: A. R. and Owner: V. S. Explore IEG's employee directory with LeadIQ.

What industry does IEG belong to?

IEG operates in the Advertising Services industry.

What technology does IEG use?

IEG's tech stack includes LinkedIn Ads, HubSpot Analytics, iCIMS, Amazon Web Services, WordPress, Microsoft 365, Piwik PRO Core and Contact Form 7.

What is IEG's email format?

IEG's email format typically follows the pattern of First.Last@sponsorship.com. Find more IEG email formats with LeadIQ.

When was IEG founded?

IEG was founded in 1982.

IEG

Q: What is IEG's phone number?

You can contact IEG's main corporate office by phone at +1-312-944-****.

Q: What is IEG's stock symbol?

IEG is a publicly traded company; the company's stock symbol is RIEG.L.

Q: What is IEG's official website and social media links?

IEG's official website is sponsorship.com. IEG has social profiles on LinkedIn.

Q: How much revenue does IEG generate?

IEG's annual revenue is estimated to be $250M - $500M.

Q: How many employees does IEG have currently?

IEG has approximately 369 employees.

Q: What industry does IEG belong to?

IEG operates in the Advertising Services industry.

Q: What technology does IEG use?

IEG's tech stack includes X-Content-Type-Options, LivePerson, Cloudflare DNS, Moat, JSON-LD.

Q: What is IEG's NAICS code?

IEG's NAICS code is 541613 (Marketing Consulting Services).

Advertising ServicesIllinois, United States201-500 Employees

IEG is a global consultancy focused on partnership strategy, evaluation, and measurement for sponsors and rights holders within the advertising services industry. It helps brand and property clients navigate sponsorship and engagement marketing to maximize the value of partnerships for sponsors, rights holders, and audiences. Founded in 1982 and based in Chicago, Illinois, the firm integrates analytics, data, and experienced professionals to inform strategic decision making. 

IEG's approach emphasizes objective analysis and an informed perspective on sponsorship to help clients develop strategies aimed at achieving long-term objectives. Since 2006, it has been part of the WPP network through acquisition. The firm operates with a global scope as a mid-sized organization.