Headquartered in New York City, and incorporated in Delaware, the company has offices in Galway, Ireland; London, UK; Washington, D.C.; Munich, Germany; Budapest, Hungary; Hong Kong; Bangalore, India; Sydney and Vancouver.

[2] Diligent was founded by Brian Henry and Kiri Borg in 1994 as Manhattan Creative Partners (MCP) which consulted and hosted secure websites for financial institutions, mutual funds and insurance companies.

[6] The day following Diligent's listing, the company announced Henry's resignation as CEO due to the oversight of the disclosure of this information.

However, some journalists at the time claimed that Diligent's PR firm and attorneys "should have advised Henry to publicly acknowledge his history.

[8] With the release of the Apple iPad in 2010, Diligent developed an app for this new platform and commenced a period of explosive growth in client numbers.

In August 2013, Diligent announced that it would need to restate revenue for the current and preceding three years due to discrepancies in company accounting practices.

[12] On 14 February 2016, Diligent announced that it had entered into a definitive agreement to be acquired by Insight Partners for consideration of $4.90 per share, valuing the company at $624M USD, subject to approval from the shareholders.

[13] A Shareholder meeting was held in Auckland, NZ on 13 April 2016 and having received 57% votes in favor of the Merger (as it was structured), Diligent de-listed from the NZX and returned into private hands.

[19][20] In June 2020, Diligent launched its Modern Leadership Initiative and partnered with more than 20[21] private equity companies to improve board-level diversity.

[30][31] With the acquisition of Accuvio, Diligent further extended its GRC platform with ESG data aggregation enabling organizations to prepare, track and disclose key metrics such as greenhouse gas emissions in alignment with major carbon accounting frameworks and standards.