
The most powerful AI-native support platform for scaling B2B teams. Plain helps you support your customers where they work – and move from answering tickets to building genuine…

The most powerful AI-native support platform for scaling B2B teams. Plain helps you support your customers where they work – and move from answering tickets to building genuine…
What they do: AI-native support infrastructure for B2B teams (unified workspace, agents, workflows, analytics)
Founded / launch: Public launch/seed announced in 2022
Funding: Raised $6M seed (2022) and $15M Series A (2025)
Headcount: Approximately 44 employees
Customer support infrastructure for B2B teams
Software Development
$6,000,000
$15,000,000
Index Ventures and Connect Ventures participated
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Plain is redefining customer support for the next generation of B2B companies. We’re building the fastest, most powerful platform to help companies move beyond reactive support and build true customer relationships.
Some of the world’s most forward-thinking companies - like Cursor, Vercel, and Granola - trust Plain to unify all customer interactions, enable faster team collaboration, and supercharge their workflows with AI.
B2B customer support is undergoing a seismic shift. AI is transforming the way companies engage with customers, shifting support from a siloed function to a company-wide effort across Slack, Discord, and any other channel you talk to customers in. The old way - slow, manual, and disconnected - no longer works.
What you'll do
Engineering at Plain is about much more than moving tickets from left to right - it’s about owning and solving problems end to end, from infrastructure decisions to feature design to button copy.
You will:
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