Hardware & IoT

Seam

Website
Founded 2020Origin source ↗Checked 2026-09-15

Overview

Seam lets developers connect and control 3rd-party connected devices like door locks, thermostats, and more.

Company description As recorded 2026-11-08

Founders & team

Previously Weaver

Company history As recorded 2026-11-08

Dawn Ho

Founder

Everything Engineer. Formerly head of IoT at Sonder. Always hacking on something interesting, and generally passionate about the intersection of automation, design, and living spaces. Also have a law degree.

Founder profile As recorded 2026-09-15
25team members reported
Source-reported As recorded 2026-09-15

Founded 2020 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceA pricing page was detected
Maturity: Operating · 4 of 6 areas documented

Source-based assessment · automated evidence rules

The company website explicitly reports customer or user adoption. This is a source-based assessment of a company claim; scale and revenue are not independently verified.

Company website: home Checked 2026-09-16

1000+ companies use Seam to control IoT devices. Making 25M+ operations monthly across 1K+ supported device models.

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 peoplesourced founding yearpricing page observed