

GTB: Detailed Company Information & Corporate Profile
Summary
GTB is a private company that has been in the industry for 19 years. The business currently specializes in Marketing and Advertising, Advertising & Marketing areas. GTB's headquarter is located at Dearborn, Michigan, USA. The number of employees is at least 250. Register with SignalHire to connect with GTB employees and management.
| GTB Website | gtb.com |
| Social Links | |
| Phone Number | 313-615-2000 |
| Industries | |
| GTB Headquarters address | 243 W. Congress Street, Detroit, MI, 48226 US |
| Company Size | 1000-5000 employees |
| SIC Code | 7311 |
| DMA Code | Detroit Metropolitan Area |
| Founded | 2007 |
| Estimated Annual Revenue | $500M - 1B |
| Operating Status | Independent Company |
| Updated: | 2026-07-27 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 2003 | Privately Held | 25 - 100 | |
| 1995 | Privately Held | 500 - 1.0K | |
| 1937 | Public Company | 100 - 250 | |
| 2004 | Privately Held | 25 - 100 |
Subsidiaries and Affiliated Companies
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
GTB's workforce includes employees across a wide range of tenure levels.
4% have been with the company for 1 to 2 years4% have been with the company for 3 to 4 years16% have been with the company for 5 to 7 years29% have been with the company for 8 to 10 years47% have been with the company for more than 11 yearsCompanies Similar to GTB
GTB Corporate Information: FAQ
Data Privacy
GDPR COMPLIANT
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
CCPA COMPLIANT
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.




















