# Ambac International Corporation

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

- Legal business name: Ambac International Corporation
- Entity type: C corporation
- Original incorporation date: May 1, 1987
- Time in business: 39 years and 5 months
- Jurisdiction count: 2

## Registered states

- [Delaware](https://index.baselayer.com/de/8074a86d3b41b18d)
- [Massachusetts](https://index.baselayer.com/ma/d3895e6fcd47272b): Foreign registration

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

Cite as: Baselayer Business Index (https://index.baselayer.com/business/8074a86d3b41b18d)