Insights

Market leadership IEG is a premier global consultancy in sponsorship strategy, evaluation and measurement with a long track record since 1982, indicating credibility and opportunities to position premium sponsorship valuation services to enterprise brands and properties.

Financial scale Reported revenue in the range of 250M to 500M and a mid‑sized employee base (201-500) suggest the ability to engage in large sponsorship programs, multi‑disciplinary engagements, and long‑term partnership contracts with sponsors and rights holders.

Tech enabled The tech stack includes analytics and data oriented tools (Piwik PRO Core) and web infrastructure (Pantheon, Cloudflare DNS, PHP, Tailwind CSS), indicating opportunities to offer enhanced measurement platforms, data integration, and tech‑driven sponsorship dashboards.

Sponsorship expertise Deep specialization in partnership strategy, evaluation and measurement across sponsor and rightsholder ecosystems positions IEG to cross‑sell consulting, risk/ ROI modeling, and blueprint strategy services to brands seeking blueprint success for long‑term objectives.

Growth signals Recent expansion of thought leadership and award initiatives, and historical acquisition by WPP, imply openness to strategic partnerships, integrated marketing solutions, and potential for co‑developed programs with large agencies or global brands seeking standardized sponsorship valuation.

Similar companies to IEG

SportBusiness
63$250M - $500M
RedPeg Marketing
185$100M - $250M
SRI
3K$500M - $1B
SponsorMyEvent
2<$1M
TBA
718$25M - $50M
Right Formula
130$10M - $25M

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
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%
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%

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 August 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 August 2026, IEG has approximately 363 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 FLast@iegworld.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 363 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.