Sierra

Sierra helps businesses build better, more human customer experiences with AI.

$950MVentureSoftware DevelopmentEst. 2024

Amount Raised

$950M

Round

Venture

Date Raised

May 4, 2026

Founded

2024

CompanySierra

IndustrySoftware Development

Founded2024

Monthly Web Traffic22,300 visits/mo

InvestorsTiger Global Management

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Sierra helps businesses build better, more human customer experiences with AI.

How much did Sierra raise?: Sierra raised $950M in a Venture round on May 4, 2026. Investors include Tiger Global Management.
Who founded Sierra?: Founder information for Sierra is available on JustRaised.
How do I contact the founders of Sierra?: Verified founder emails and LinkedIn profiles for Sierra are unlocked with JustRaised lifetime access — a single $49 payment.