Sumble
AI-powered sales intelligence with knowledge graph mapping tech stacks, projects, and buyer signals. By Kaggle founders. $38.5M raised. Customers: Snowflake, Figma, Wiz, Vercel, Elastic.
Overview
Sumble: AI Sales Intelligence Knowledge Graph
Sumble provides account intelligence powered by a knowledge graph + LLM infrastructure that links discrete signals into coherent narratives — mapping relationships between teams, tools, hiring surges, and strategic initiatives. Founded by Anthony Goldbloom and Ben Hamner (Kaggle founders).
Launched April 2024, emerged from stealth October 2025 with $38.5M ($30M Series A Canaan + $8.5M seed Coatue). 19 enterprise customers including Snowflake, Figma, Wiz, Vercel, Elastic.
Key Features
- Knowledge graph + LLM infrastructure for sales intel
- Tech stack tracking, hiring signals, project mapping
- X-ray vision into buyer activity at target accounts
- Web app + API for CRM integration
- Customers: Snowflake, Figma, Wiz, Vercel, Elastic
Ideal Use Case
B2B sales teams targeting technical buyers (dev tools, infra, AI/ML companies) where understanding a target account's tech stack and active projects is the key to relevant outreach.
Why Use Sumble
Sales intelligence has been keyword-and-firmographic. Sumble's bet: knowledge-graph reasoning over technical signals (tech stack, hiring, project signals) is the next layer. The customer logos (Snowflake, Figma, Wiz) prove technical buyers find it valuable.
FAQ
Q: Who founded Sumble? A: Anthony Goldbloom and Ben Hamner — Kaggle founders.
Q: How is Sumble different from ZoomInfo? A: ZoomInfo is firmographic; Sumble is technical-signal-graph based.
Q: Recent funding? A: $38.5M total — $30M Series A Canaan + $8.5M seed Coatue.
tl;dr
Knowledge graph for GTM data. Kaggle founders, $38.5M raised, customers include Snowflake/Figma/Wiz.
Related
Looking for more options? Browse the Sales & RevOps directory or read our best AI sales tools listicle. Sumble is also tracked on Crunchbase.
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