TCDI, a provider of legal and cybersecurity services, has bought Aon’s eDiscovery practice.

The deal strengthens TCDI’s eDiscovery services, adding advisory services like information governance.

“For 30 years, we’ve steadily built upon our innovative, client-driven technology, and this move supports our strategy to meet our clients’ expectation to increase our expertise and technology as the markets change,” said TCDI’s CEO Bill Johnson. “TCDI and Aon share similar cultures and ideas about how to serve clients and take care of team members.”