Insights

Cross-channel potential Knock provides infrastructure for sending product and customer messaging across channels, indicating strong upsell opportunities with teams seeking unified notification pipelines and lifecycle messaging to boost engagement and retention.

Slack integration Recent launch of Knock agent for Slack suggests a penetration path into collaboration tools; position to expand to other workspaces and connectors, targeting teams that live in Slack and need to operationalize messaging workflows directly in their chat environment.

Workflow automation momentum A series of 2026 feature rollouts including data functions, trigger workflow, AI agent function, experiment function, and guides toolbar indicates a growing platform for automating messaging and experimentation; equip sales to pitch expanded automation and analytics capabilities to mid-market customers.

Growth-oriented funding With revenue in the lower mid-market range and a total funding level around 18M, Knock is positioned as a scalable, growth-focused provider; target rapidly growing software teams that need cost-effective, cloud-native messaging infrastructure to accelerate product adoption.

Tech and scalability fit Tech stack including Google Cloud Platform, MongoDB, Redis, Kafka, and managed services aligns with fast-growing engineering teams; emphasize reliability, performance, and scale to mid-market SaaS players seeking robust messaging infrastructure to support high-velocity product updates.

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 August 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 August 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 August 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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