Seam was founded by Dawn Ho, Sy Bohy in 2020.

Who are Seam's investors?

Seam's investors include Pioneer, Root Ventures Manager, Llc, Soma Capital, Todd and Rahul’s Angel Fund, Tuesday Capital, Vortex Capital Partners, Wave Ventures, Y Combinator and 10 more.

Where is Seam headquartered?

Seam is headquartered in San Francisco, US.

Seam

YC S20

San Francisco, US · Founded 2020 · 25 employees · Hiring · 18 known investors

Find your way into Seam

Paths you didn't know you had: your email and LinkedIn already hold routes to the Seam team. We find them for you
2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone

Days of research, done the moment you sign in, with every route ranked by how warm it is.

Seam provides an API platform that enables developers and businesses to connect applications with IoT devices and orchestrate their use. The platform abstracts device protocols and integrations to simplify physical device connectivity.

Also known as Seam Labs, Inc. · Weaver

Developer Tools Enterprise Software IoT PropTech SaaS APIUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (S20)

Seam was founded in 2020 by Dawn Ho and Sy Bohy.

Dawn Ho Chief Product Officer & Co-founderDawn Ho led IoT at Sonder and holds a law degree. She is now building Seam, a company focused on home automation and access control systems.

Sy Bohy Co-Founder / CEOSy Bohy is the founder of Seam, an API platform that enables developers to connect applications with IoT devices and orchestrate their use by abstracting device protocols and integrations.

Jared SaksTechnical Recruiter

Sharon LeeGeneral Counsel

Phil ChmaltsHead of Engineering

Forrest HallHead of Sales

Seve Ibarluzea

Kat TruongRecruiterformer

Arynne Wexlerpartnershipsformer

Investors · 18

Pioneerlisted by PioneerToronto, Ontario

How we know: Y Combinator's founder network · pioneerfund.vc · open dataset · 5k.vc investor directory · Not right? Tell us

Root Ventures Manager, Llclisted by Root Ventures Manager, LlcSan Francisco · $3M – $5M

How we know: Root Ventures Manager, Llc's portfolio page · Y Combinator's founder network · Not right? Tell us

Soma Capitallisted by Soma CapitalSacramento · $100K – $300K

How we know: Y Combinator's founder network · official-page verification 2026-10 · open dataset · 5k.vc investor directory · Not right? Tell us

Todd and Rahul’s Angel Fundlisted by Todd and Rahul’s Angel FundSan Francisco · $300K – $500K

How we know: Todd and Rahul’s Angel Fund's portfolio page · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Tuesday Capitallisted by Tuesday CapitalSan Francisco

How we know: Tuesday Capital's portfolio page · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Vortex Capital Partnerslisted by Vortex Capital PartnersAmsterdam

How we know: Vortex Capital Partners's portfolio page · Not right? Tell us

Wave Ventureslisted by Wave VenturesHelsinki

How we know: Wave Ventures's portfolio page · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

Bessemer Venture PartnersreportedSan Francisco · $50K – $100M

How we know: thesaasnews.com · Not right? Tell us

Colle Capital PartnersreportedNew York · $500K – $2M

How we know: thesaasnews.com · Not right? Tell us

f7 VenturesreportedTiburon · $10K – $5M

How we know: thesaasnews.com · Not right? Tell us

FinSight VenturesreportedPalo Alto

How we know: Y Combinator's founder network · Not right? Tell us

Global Impact LLCreported

How we know: Y Combinator's founder network · Not right? Tell us

JWass PT InvestorsreportedSeattle

How we know: Y Combinator's founder network · Not right? Tell us

Ritual CapitalreportedMenlo Park · $100K – $500K

How we know: thesaasnews.com · Not right? Tell us

Shine CapitalreportedNew York · $1M – $10M

How we know: funding news · Not right? Tell us

Tiger Global ManagementreportedNew York · $1M – $100M

How we know: Y Combinator's founder network · Not right? Tell us

Umami Capitalreported

How we know: thesaasnews.com · Not right? Tell us

Funding

SEC filings, press & company announcements

Undisclosed amountseedMay 2024
Bessemer Venture Partners (lead), Colle Capital, F7 Ventures, Ritual Capital, Umami Capital
Source ↗
Undisclosed amountPre-SeedAug 2023
Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

2 people who came through Seam went on to found or lead other companies.

Severin IbarluzeaChief Technology OfficerFounded tscircuit +1 Sy BohyFounderFounded Instamotor

Related companies · 6

Hubble NetworkHubble has created a Bluetooth connection to space and is building a global, battery-efficient, and cost-effective network using satellite technology.

SmartthingsSmartThings is a smart home platform and app that lets users connect, control, and automate compatible smart home devices from hundreds of brands in one place, with AI-powered features for home monitoring, energy management, and family/pet care. Developed by Samsung, it supports Matter, Thread, and Zigbee devices and is available on Android and iOS.

Estimote, Inc.Estimote develops Ultra Wideband (UWB) tags and proximity sensors for precise indoor and outdoor location tracking, automation, and asset management across warehousing, logistics, healthcare, retail, and hospitality. The tags can be programmed in JavaScript and connect via LTE to send real-time location data to customer cloud endpoints.

MemfaultMemfault provides an embedded observability platform for teams building IoT and edge devices, offering crash reporting, cloud-based software delivery, and performance monitoring. The platform allows firmware engineers to debug and manage connected device fleets at scale.

AryllaArylla produces invisible ink tags using nanotechnology that can be applied to fashion products and read via smartphone to enable authentication, traceability, and personalized customer experiences. The tags integrate with third-party platforms like WeChat and WhatsApp to connect consumers with branded content and product verification.

LockitronA hardware device that attaches to existing deadbolt locks and enables remote control of locking and unlocking through a mobile application.

Companies working in the same space as Seam.

Legal entities · 1

corporate structure

Seam Labs, Inc.

Frequently asked questions

What does Seam do?: Seam provides an API platform that enables developers and businesses to connect applications with IoT devices and orchestrate their use. The platform abstracts device protocols and integrations to simplify physical device connectivity.
Who founded Seam?: Seam was founded by Dawn Ho, Sy Bohy in 2020.
Who are Seam's investors?: Seam's investors include Pioneer, Root Ventures Manager, Llc, Soma Capital, Todd and Rahul’s Angel Fund, Tuesday Capital, Vortex Capital Partners, Wave Ventures, Y Combinator and 10 more.
Where is Seam headquartered?: Seam is headquartered in San Francisco, US.