Accel

Overview
Accel is a global venture capital firm founded in 1983 by Arthur Patterson and Jim Swartz. Headquartered in Palo Alto, California, it maintains a significant European base in London and further offices including India, and invests from early stage through growth across software, internet, consumer and enterprise technology.
Why this entity matters
Accel is one of the longer-established venture firms operating across the United States and Europe, known for its "prepared mind" investment approach and a portfolio of widely used technology companies built over four decades.
Role in the startup, technology, investment, or innovation ecosystem
The firm backs companies on both sides of the Atlantic, giving it a cross-border position in the technology funding landscape. In European defence technology it is an investor in Helsing, taking part in successive financing rounds as the company grew.
Selected relationships and affiliations
Accel is a backer of Helsing alongside investors including Lightspeed Venture Partners, Plural, General Catalyst and Saab. Public announcements record its participation across Helsing's Series C (2024), Series D (2025) and Series E (2026) rounds.
Startuprad.io relevance
Startuprad.io covers Helsing as a leading European defence technology company. Accel is relevant to that coverage as one of Helsing's recurring institutional investors and as an example of a transatlantic venture firm active in European deep and defence technology.
Public source context
Information on the firm's founding, bases and focus derives from its corporate site and public reference sources, while its Helsing role is documented in Helsing's funding announcements.

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