Notion

Notion is a United States smart-home security and monitoring brand associated with connected sensors designed to help households observe conditions and activity in and around a property. Its core proposition is a flexible sensor system rather than a traditional professionally installed alarm service. Notion sensors are intended to detect events such as motion, the opening or closing of doors and windows, water leaks, temperature changes, and other changes in the home environment, with information made available through a digital application or connected-home experience. The brand sits at the intersection of consumer electronics, home automation, and residential security. Its products are aimed at homeowners, renters, and other occupants who want basic monitoring and notifications without deploying a large, fixed security installation. The system’s multi-purpose sensor approach is central to the brand identity: one sensor platform can be configured for different use cases, allowing customers to monitor entry points, detect water-related incidents, track environmental conditions, or receive alerts about activity in selected areas. Notion’s offering is best understood as a product ecosystem rather than a single standalone device. A typical setup consists of sensors, a central bridge or hub, software, and supporting services that connect the physical devices to a mobile experience. Depending on the product configuration and service availability, the system may also be used alongside other smart-home products or household routines. This positioning gives Notion a broader remit than a conventional door sensor while keeping the user experience focused on simple, app-based awareness. Publicly documented information supplied for this entry does not establish a reliable founding year, founder, headquarters, current owner, parent company, executive roster, market footprint, or current operating status. No verified public-company listing or ticker is identified. The supplied website, getnotion.com, is the primary brand reference available here. Because the name “Notion” is also used by unrelated software and consumer brands, the subject in this dossier is specifically the home-security and sensor brand associated with that website, not the productivity-software company commonly known by the same name.

Notion is identified in the supplied reference material as a smart-home sensor and security brand. The available material does not provide enough reliable evidence to construct a dated corporate history, identify the original founders, or document ownership and management changes. The brand should therefore be distinguished from the unrelated productivity-software company also called Notion. The brand’s apparent product concept is based on connected sensors that communicate household conditions to an application or related smart-home interface. Rather than limiting the system to intrusion detection, the concept covers several forms of residential awareness: whether an entry point has changed state, whether movement has occurred, whether water may be present where it should not be, and whether environmental conditions such as temperature have shifted. This multi-use architecture allows a customer to use the same general sensor platform for security, property protection, and day-to-day monitoring. That approach reflects a broader development in consumer smart-home products. Earlier residential security systems often depended on dedicated alarm panels, professional installation, and narrowly defined sensors. A connected consumer system such as Notion is positioned around easier deployment, smartphone notifications, and the ability to expand monitoring across multiple rooms or use cases. The product proposition is consequently not only burglary deterrence; it also includes early awareness of potentially costly household events such as leaks or unusual activity. The supplied information does not establish the dates of product launches, major generations, geographic expansion, partnerships, acquisitions, campaigns, recalls, lawsuits, or other corporate milestones. It also does not verify whether the brand remains independently active, has been discontinued, or operates under another company. The current website is retained as the principal reference, but additional primary-source research would be required before adding historical or corporate claims.

A flexible, app-connected alternative to conventional residential alarm systems, centered on multi-purpose sensors and household condition monitoring.

• Smart-home security and monitoring system

  Notion smart-home sensor system

  A connected residential monitoring system built around sensors and software. The concept supports multiple household applications, including monitoring doors and windows, detecting motion or activity, identifying possible water leaks, and observing temperature or other environmental changes. Its defining characteristic is a general-purpose sensor approach intended to give occupants notifications and situational awareness through a connected digital experience.

• 2026.10.20

  Reported2026.10.20

  Figma announces new MCP partners[2]Figma宣布新增MCP合作伙伴techcrunch.com

  Figma announced 20 new MCP partners at its first Config conference in India, including Amp, ClickUp, Dia, JetBrains, Linear, Meta, Mistral, Notion, OpenCode, and Sarvam Agents.

• Unconfirmed

  Reported2026.08.08

  Notion acquires ZeroEntropy[3]Notion 收购 ZeroEntropymoroccoworldnews.com

  Notion acquired ZeroEntropy, bringing the startup’s retrieval technology and team into Notion; the entire ZeroEntropy team would join Notion.

• 2021.09.08

  Reported2021.09.08

  Notion acquires Automate.io[4]Notion 收购 Automate.iotechcrunch.com

  Notion said it had acquired Automate.io, an Indian startup that builds connectivity and integrations with over 200 services. Notion said the acquisition would help it leverage Automate.io’s integrations and support product expansion.

• 2020.04.08

  Notion raises $50 million[5]Notion完成5000万美元融资chinaz.com

  Notion said it had raised $50 million from Index Ventures and other investors, bringing its valuation to $2 billion.

• 2020.01.07

  Reported2020.01.07

  Notion and Brotherhood Mutual announce partnership[6]Notion 与 Brotherhood Mutual 宣布合作prnewswire.com

  Notion announced an ongoing partnership with Brotherhood Mutual. Under the partnership, Brotherhood Mutual will give its customers access to discounted Notion Smart Property Systems and three complimentary months of NotionPRO professional monitoring.

• 2019.11.14

  Reported2019.11.14

  Notion and Penn National Insurance announce agent-focused program[7]Notion 与 Penn National Insurance 宣布面向保险代理人的合作项目prnewswire.com

  Notion and Penn National Insurance announced an agent-focused program intended to support Penn National's independent insurance agent network as part of its IoT strategy.

Read more

1. 1Notion official websitegetnotion.com
2. 2Figma宣布新增MCP合作伙伴techcrunch.com
3. 3Notion 收购 ZeroEntropymoroccoworldnews.com
4. 4Notion 收购 Automate.iotechcrunch.com
5. 5Notion完成5000万美元融资chinaz.com
6. 6Notion 与 Brotherhood Mutual 宣布合作prnewswire.com
7. 7Notion 与 Penn National Insurance 宣布面向保险代理人的合作项目prnewswire.com
8. 8Notion Acquires Hyderabad-Based Automate.io; Sets Up India Baseinc42.com