DIG Ventures is a London-based venture capital firm founded in 2018 by Ross Mason and Melissa Klinger. The firm specializes in pre-seed and seed-stage investments in B2B SaaS, AI, and cloud infrastructure startups across Europe, Israel, and the United States. With a team of experienced founders and operators, DIG Ventures leverages its hands-on experience to support portfolio companies in areas such as go-to-market strategy, product development, and fundraising. With Fund III, the firm has sharpened its focus toward AI infrastructure and the foundational layers of enterprise software.
DIG Ventures focuses on early-stage investments in B2B software companies, particularly those operating in the SaaS, AI, and cloud infrastructure sectors. The firm seeks out ambitious founders with innovative solutions that address complex challenges in enterprise software.
With Fund III, DIG Ventures has sharpened its thesis around AI infrastructure, backing the foundational layers that wider enterprise software depends on, including data, identity, compliance, and orchestration. The firm targets approximately 30 European companies at the pre-seed and seed stages per fund.
In October 2026, DIG Ventures closed Fund III at $120 million to back Europe's AI infrastructure startups.
The fund is backed by LPs including Horsley Bridge, Sofina, Granite, a leading US university endowment, and entrepreneur LPs from Slack, Datadog, Nord Security, Cast AI, Supercell, and Dash0.
DIG Ventures' first institutional fund closed at $100 million in April 2025, backed by LPs including The Hillman Company, Granite Capital, Sofina, and Grove Street, as well as tech founders like Olivier Pomel (Datadog) and Mirko Novakovic (Instana).
Leadership
The leadership team at DIG Ventures combines deep entrepreneurial and operational expertise, led by Founding Partner Ross Mason, the founder of MuleSoft, which was acquired by Salesforce for $6.5 billion.
Melissa Klinger brings a strong product and go-to-market background, while Rytis Vitkauskas adds global venture experience from Lightspeed and as co-founder of YPlan.
Scott Grimes, Operating Partner, contributes growth and operations expertise, rounding out a team focused on hands-on support for early-stage B2B software founders.
Investment Strategy
DIG Ventures employs a high-conviction, founder-first approach, often investing at the pre-seed stage with just a deck and a vision. The firm emphasizes rapid decision-making and provides hands-on support to help founders scale their businesses effectively.
Notable Investments
Some of DIG Ventures' notable investments include:
Notable Exits
DIG Ventures has seen several successful exits, including
Ross Mason, Founding Partner
ross@dig.ventures
Melissa Klinger, General Partner
melissa@dig.ventures
Rytis Vitkauskas, General Partner
rytis@dig.ventures
United Kingdom
