# Armstrong Teasdale LLP

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: Armstrong Teasdale LLP
- Entity type: LLP
- Original incorporation date: December 16, 1998
- Time in business: 27 years and 10 months
- Jurisdiction count: 2

## All known addresses

- 7700 Forsyth Blvd Ste 1800, Saint Louis, MO 63105 (listed in South Dakota)

## Registered states

- [Missouri](https://index.baselayer.com/mo/8039c0211a01836b): Domestic registration
- [South Dakota](https://index.baselayer.com/sd/2b88706a0e8f40cd): Foreign registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/8039c0211a01836b)