| 1900 |
Teikoku Koshin-sho (detective agency) is established. |
| 1926 |
The company grows to become number one in the industry. |
| 1964 |
The monthly "National Corporate Bankruptcy Report" is launched. |
| 1968 |
Computers are introduced at the firm, for the first time in the industry. |
| 1972 |
The COSMOS corporate information database service is launched. |
| 1981 |
The company is renamed Teikoku Databank, Ltd., and concentrates on business-to-business services. |
| 1988 |
The company launched COSMOSNET, an online corporate information service. |
| 1990 |
Marketing and planning services are added to the company's offerings. |
| 1992 |
Teikoku Databank America, Inc., (TDA) is founded in New York. |
| 2001 |
Teikoku Databank, Ltd., launches a bankruptcy probability modeling service. |
| 2002 |
The monthly "Teikoku Databank Economic Trends Research" is launched. |
| 2004 |
Teikoku Databank Credit information Korea, Ltd., is founded. |
| 2007 |
The Teikoku Databank Historical Museum opens in Tokyo. |
| 2008 |
TDB Macro Economy Outlook Service is launched. |
| 2010 |
Teikoku Databank Axis, Ltd. is founded. |
| 2011 |
BIMA customer management service and COSMOS1 Bulletin service are launched. |
| 2016 |
Teikoku Databank Information System Service is launched. |
| 2018 |
The company launches LEDIX (Local Economy Driver Index). |