The business service provider has added $40m to the round's Stripe-backed first close, doubling its valuation to $1.2bn in the process.

US-based back-office services provider Pilot has increased a series C round featuring digital payment technology producer Stripe to $100m, valuing it at $1.2bn.

Investment adviser Whale Rock Capital co-led the round’s $40m second tranche with Bezos Expeditions, the personal investment vehicle for Amazon founder Jeff Bezos, participating together with venture capital firms Sequoia Capital and Index Ventures.

The $60m first close was led by Sequoia Capital in January this year and backed by Stripe and Index Ventures at a…

Robert Lavine

Robert Lavine is special features editor for Global Venturing.