Company profile

Sierra

Sierra has raised a total of $635 million in funding across multiple rounds, reaching unicorn status in October 2024 after securing a $175 million Series A led by Greenoaks. Founded in 2023 and based in the United States, the company develops a conversational AI platform for customer service, enabling natural language interactions, real-time issue resolution, and advanced analytics. With a valuation of $10 billion as of September 2025, Sierra is backed by Iconiq Capital and Thrive Capital, positioning itself as a leader in AI-native customer engagement solutions.

Back to profiles

Quick facts

Total funding: $635 million
Valuation: $10 billion
Founded: 2023

Notable investors

Iconiq Capital
Thrive Capital
Greenoaks

Reach buyers like Sierra on TexAu

TexAu helps go-to-market teams find, enrich, and reach companies that match this profile. Pick the path that fits how you work.

Find companies like Sierra
Build a list by industry, headcount, funding stage, or technographics. Get verified emails and direct dials.
Start a free workspace
Enrich your CRM with company data
Push funding, headcount, hiring signals, and tech stack into HubSpot, Salesforce, or a spreadsheet. Waterfall enrichment.
See how the waterfall works
Run it on a schedule
Refresh the list weekly, score new accounts as they land, and push the ones that fit to Smartlead, Instantly, Lemlist, HeyReach, or Apollo Sequences.
See how schedulers work

Reach buyers like Sierra.

The 14-day trial ships every feature, no card required.

Start free →