Insights

Growth Funding Knock shows solid early-stage revenue and a focused funding base with observed revenue between ten and twenty-five million and total funding of eighteen million. Target potential customers who are scaling their messaging capabilities and looking to optimize lifecycle communications as they have proven traction and available capital for expansion.

Cross-Channel Push Product and customer messaging across multiple channels is core to Knock. Sales opportunities exist with teams seeking unified notification experiences (web, mobile, WhatsApp, and in-app) to boost engagement and retention, particularly for growing SaaS or ecommerce platforms migrating from single-channel alerts.

Workflow Innovation Recent product updates emphasize workflow automation, data functions, AI agents, experiment functions, and trigger capabilities. This indicates a strong appeal to product-led growth and technical buyers who want programmable messaging pipelines, ownable data flows, and experimentation to optimize campaigns.

Tech Stack Fit Knock’s infrastructure stack includes cloud, data stores, and developer tools such as Google Cloud Platform, MongoDB, Redis, Kafka, Ansible, and Heroku. Enterprises with similar stacks or needing scalable, event-driven messaging solutions should find alignment, suggesting opportunities with mid-market to enterprise teams migrating to modern tech ecosystems.

Expansion Readiness Frequent feature releases and a Slack agent indicate a bias toward team collaboration and rapid iteration. Sales prospects include groups prioritizing internal DevOps efficiency, Slack or collaboration-first workflows, and those planning to scale their messaging with governance, debuggability, and reusable request schemas.

Similar companies to Knock

Knock Tech Stack

Knock uses 8 technology products and services including Apache Kafka, Ansible, MongoDB, and more. Explore Knock's tech stack below.

Media & News

Knock's Email Address Formats

Knock uses at least 1 email format:
Knock Email FormatsExamplePercentage
First@knock.appJohn@knock.app
100%

Frequently Asked Questions

What is Knock's official website and social media links?

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Knock's official website is knock.app and has social profiles on LinkedIn and Crunchbase.

How much revenue does Knock generate?

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As of October 2026, Knock's annual revenue is estimated to be $10M - $25M.

What is Knock's NAICS code?

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Knock's NAICS code is 5112 - Software Publishers.

How many employees does Knock have currently?

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As of October 2026, Knock has approximately 24 employees across 2 continents, including North America and Europe. Key team members include Founding Software Engineer: B. A. and Platform Engineer: A. L. Explore Knock's employee directory with LeadIQ.

What industry does Knock belong to?

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Knock operates in the Software Development industry.

What technology does Knock use?

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Knock's tech stack includes Apache Kafka, Ansible, MongoDB, Redis, Figma, Google Cloud Platform, WhatsApp Business and Heroku.

What is Knock's email format?

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Knock's email format typically follows the pattern of First@knock.app. Find more Knock email formats with LeadIQ.

How much funding has Knock raised to date?

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As of October 2026, Knock has raised $18M in funding. The last funding round occurred on Feb 15, 2024 for $12M.

When was Knock founded?

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Knock was founded in 2021.
Knock logo

Knock

Software DevelopmentNew York, United States11-50 Employees

Knock is a software development company based in New York that provides infrastructure for sending product and customer messaging. Its platform supports cross-channel product notifications and lifecycle messaging designed to drive engagement, growth, and retention. By focusing on messaging infrastructure, Knock helps teams deliver timely communications that align with their product workflows.

Its customers are teams seeking to build, manage, and ship customer messaging across channels. In March 2026, Knock launched an agent for Slack, enabling teams to build, manage, and ship customer messaging from their existing work environments.

Section iconCompany Overview

Website
knock.app
NAICS Code
5112 - Software Publishers
Founded
2021
Employees
11-50

Section iconFunding & Financials

  • $18M

    Knock has raised a total of $18M of funding over 3 rounds. Their latest funding round was raised on Feb 15, 2024 in the amount of $12M as a Series A.

  • $10M - $25M

    Knock's revenue is estimated to be in the range of $10M - $25M

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