Sales & marketing

Mattermark

Website

Overview

At Mattermark, we’re accelerating sales and deal making through data and automation. Mattermark collects and organizes comprehensive information on the world’s fastest growing companies. In minutes, get actionable data that lets you pinpoint the companies and people you need to know or do business with. Today, over 500 companies use Mattermark to discover high quality leads, prioritize prospects and increase conversion rates.

Company description As recorded 2026-11-08
Sales & marketingAnalyticsBusinessesSmall businessesSubscription

Founders & team

Danielle "Elle" Morrill

Founder/CEO

Took my first startup job at 22 and I've been hooked ever since. I write over at https://www.ellemorrill.com/

LinkedIn X
Founder profile As recorded 2026-09-15
11team members reported
Source-reported As recorded 2026-09-15

News & product activity

Sources & observations

500 Global · Y Combinator

Profile depthverified profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The source reports an inactive or acquired company; current product identity needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced people
startup.observe Directory coverage · Sources & method