# Tidelift

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/tidelift

- Industry: Software
- Headquarters: Boston, US
- Website: www.tidelift.com
- Total disclosed funding: $74M
- Latest round: Series C (Sep 13, 2022)
- Investors on record: 8

## About

Tidelift, Inc. is a company focused on enhancing the security and quality of open-source software by providing managed support, enabling organizations to confidently adopt and maintain open-source packages with minimized security risks.Founded in 2017, Tidelift, Inc. operates out of Boston, Massachusetts, USA, offering managed support for open-source software. The company has secured funding through several rounds, with its latest being Series C in December 2024, raising USD 6.50 mn, bringing the total amount raised to USD 6.50 mn and resulting in a current valuation of USD 244.29 mn. The founding team includes Donald Fischer, who has experience in other ventures, and he currently serves as CEO.Tidelift offers a suite of services designed to improve the security and quality of open-source software. Their core offering provides managed open-source support, allowing organizations to adopt and maintain open-source packages confidently while minimizing security risks. By leveraging their expertise, Tidelift ensures that software components are secure, up-to-date, and compliant with licensing requirements for a diverse clientele that includes software development firms and enterprise-level organizations across North America and Europe.Tidelift generates revenue through a subscription-based model for its managed open-source support services. Clients pay for access to these services to enhance their coding practices and reduce security risks associated with open-source software. Partnerships with companies like Sonar further support Tidelift's aim to deliver quality services, with pricing structures that cater to various levels of service and customer needs.In December 2024, Tidelift is set to be acquired by SonarSource S.A. This acquisition aims to enhance SonarSource's ability to manage code quality and security across both proprietary and open-source software by expanding its coverage to include open-source libraries. The recent funding will be utilized to support this expansion and bolster their operational capabilities as they transition under SonarSource.

## Funding rounds

- Series C, Sep 13, 2022, $6.5M — Boeing Company Pension Fund, AE Industrial Partners, Cisco Investments
- Series C, May 9, 2022, $27M — General Catalyst Partners, Foundry Group, Kaiser Permanente Ventures, Dorilton Capital, Atlassian Ventures
- Series B, Dec 21, 2018, $25M — General Catalyst Partners, Foundry Group
- Series A, Jun 29, 2017, $15M — General Catalyst Partners, Foundry Group

## Investors

- General Catalyst Partners (https://capitalatlas.ai/funds/general-catalyst-partners) — Series A, Series B, Series C
- Foundry Group (https://capitalatlas.ai/funds/foundry-group) — Series A, Series B, Series C
- Kaiser Permanente Ventures (https://capitalatlas.ai/funds/kaiser-permanente-ventures) — Series C
- Dorilton Capital (https://capitalatlas.ai/funds/dorilton-capital) — Series C
- Atlassian Ventures (https://capitalatlas.ai/funds/atlassian-ventures) — Series C
- Boeing Company Pension Fund — Series C
- AE Industrial Partners (https://capitalatlas.ai/funds/ae-industrial-partners) — Series C
- Cisco Investments (https://capitalatlas.ai/funds/cisco-investments) — Series C