Fundraising Fox

Knock

Seattle, US · Founded 2013 · Washington corporation · 14 known investors

knock.app

Knock is an AI-native customer engagement platform that lets teams build and send product, marketing, and transactional messaging across email, SMS, push, chat, and in-app channels from one place. It offers developer-focused tooling (CLI, AI IDE integration, version control, observability) and data ingestion from warehouses, CDPs, and webhooks to trigger and personalize messaging workflows.

Cloud ComputingDeveloper ToolsMarketing TechSaaS

Founders & leadership

TP
Thomas PetryNamed on SEC filing
DT
Demetri ThemelisNamed on SEC filing

Investors · 14

Reported raises · per SEC filings

Form D private placements

$40M disclosed across 7 rounds · 2014–2021

$17MraisedFeb 2021 · 8 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Thomas PetryExecutive Officer, Director, Promoter
  • Demetri ThemelisExecutive Officer, Director, Promoter
  • James McAvityDirector
  • Scott JacobsonDirector
  • Vik ChawlaDirector
Offering amount
$20M
Amount sold
$17M
First sale
Feb 2021
Incorporated
Corporation, Washington
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$10.7MraisedMay 2020 · 4 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Thomas PetryExecutive Officer, Director, Promoter
  • Scott JacobsonDirector
  • James McAvityDirector
  • Demetri ThemelisExecutive Officer, Director, Promoter
Offering amount
$12M
Amount sold
$10.7M
First sale
Apr 2020
Incorporated
Corporation, Washington
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$8.3MraisedMar 2019 · 2 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Thomas PetryExecutive Officer, Director, Promoter
  • Demetri ThemelisExecutive Officer, Director, Promoter
  • Scott JacobsonDirector
  • James McAvityDirector
Offering amount
$10M
Amount sold
$8.3M
First sale
Feb 2019
Incorporated
Corporation, Washington
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$1.2MraisedJun 2018 · 5 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • James McAvityDirector
  • Thomas PetryExecutive Officer, Director, Promoter
  • Demetri ThemelisExecutive Officer, Director, Promoter
Offering amount
$2M
Amount sold
$1.2M
First sale
May 2018
Incorporated
Corporation, Washington, 2013
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$1.6MraisedAug 2016 · 5 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • James McAvityDirector
  • Thomas PetryExecutive Officer, Director, Promoter
  • Demetri ThemelisExecutive Officer, Director, Promoter
Offering amount
$2.5M
Amount sold
$1.6M
First sale
Aug 2016
Incorporated
Corporation, Washington, 2013
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$1.1MraisedApr 2015 · 28 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Thomas PetryExecutive Officer, Director, Promoter
  • Demetri ThemelisExecutive Officer, Director, Promoter
Offering amount
$1.1M
Amount sold
$1.1M
First sale
Mar 2015
Incorporated
Corporation, Washington, 2013
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$50KraisedJan 2014 · 2 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Demetri ThemelisExecutive Officer, Director, Promoter
  • Thomas PetryExecutive Officer, Director, Promoter
Offering amount
$400K
Amount sold
$50K
First sale
Jan 2014
Incorporated
Corporation, Washington, 2013
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 5

by search overlap
MagicBell364 shared keywordsMagicBell provides notification infrastructure for product teams to build notification experiences for their users. The platform enables developers to implement notification systems quickly without extensive engineering effort.
OneSignal269 shared keywordsOneSignal provides customer engagement and messaging infrastructure that enables businesses to send personalized, omnichannel communications to their customers at scale. The platform serves mobile app developers and businesses of all sizes across industries.
Twilio206 shared keywordsTwilio provides a cloud-based communications platform that enables businesses to integrate voice, messaging, and video into applications using APIs. The platform combines communication channels, contextual data, and AI orchestration for enterprises and developers building customer experiences.
Zapier205 shared keywordsZapier provides a platform for connecting AI models and agents to workflows and business applications, enabling teams to automate tasks across over 9,000 apps without coding. The platform serves enterprises, operations teams, and businesses of all sizes looking to deploy AI-driven automation for lead capture, customer support, employee onboarding, and other business processes.
Heymarket204 shared keywordsHeymarket provides a business messaging platform that unifies SMS, email, and messaging apps into shared team inboxes, with CRM integrations and AI agents that automate replies, scheduling, and follow-ups. It serves business teams across customer service, sales, marketing, operations, and recruiting use cases.

Companies competing with Knock for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Frequently asked questions

What does Knock do?
Knock is an AI-native customer engagement platform that lets teams build and send product, marketing, and transactional messaging across email, SMS, push, chat, and in-app channels from one place. It offers developer-focused tooling (CLI, AI IDE integration, version control, observability) and data ingestion from warehouses, CDPs, and webhooks to trigger and personalize messaging workflows.
Who are Knock's investors?
Knock's investors include Afore Capital, Craft Ventures, Expa, Madrona Venture Group, Worklife Ventures, CoFound Partners Venture, Company Ventures, Corazon Capital and 6 more.
How much funding has Knock raised?
Knock has disclosed $40M raised across 7 rounds.
Where is Knock headquartered?
Knock is headquartered in Seattle, US.