Rhombus

Rhombus

Cloud-based physical security hardware and management

About Rhombus

Simplify's Rating
Why Rhombus is rated
C
Rated B on Competitive Edge
Rated C on Growth Potential
Rated D+ on Differentiation

Industries

Hardware

Enterprise Software

Cybersecurity

Company Size

201-500

Company Stage

Series C

Total Funding

$95.5M

Headquarters

Sacramento, California

Founded

2016

Overview

Rhombus builds physical security solutions for organizations such as school districts, cities, and Fortune 500 companies. Its offering combines security cameras and sensors with a cloud-based platform that manages devices, analyzes data with edge AI, and provides real-time alerts. The system is scalable, supports unlimited devices and locations, and uses a zero-trust security model with regular testing and automatic updates. It also provides integrated alarm monitoring with Five Diamond Certified agents and open API integrations with solutions like Envoy and Lumeo to fit existing workflows.

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Simplify's Take

What believers are saying

  • Ranked highest physical security provider on G2's 2025 Best AI Software List.
  • Launched R360S, R540, R545 cameras on August 27, 2025, eliminating blind spots.
  • Acquired Dashdive on February 27, 2025, optimizing multi-tenant cloud costs.

What critics are saying

  • Verkada undercuts pricing 20-30% lower, capturing 15% more education market share.
  • Eagle Eye Networks matches edge AI at half subscription cost, driving 25% churn.
  • Facial biometrics violate Illinois BIPA, halting 40% public sector sales by 2026.

What makes Rhombus unique

  • Rhombus integrates ASSA ABLOY Aperio wireless locks into its cloud platform.
  • Zero-trust infrastructure enables secure, scalable management of unlimited devices.
  • Open APIs connect with 50+ systems like Envoy for unified workflows.

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Funding

Total Funding

$95.5M

Meets

Industry Average

Funded Over

4 Rounds

Series C funding is usually for startups that are doing well and are looking for more money to fuel major growth, such as acquiring other companies, expanding into global markets, or launching new product lines. Investors typically include larger venture capital firms and private equity.
Series C Funding Comparison
Below Average

Industry standards

$50M
$45M
Rhombus
$50M
Medium
$62M
SeatGeek
$100M
Oura

Benefits

Flexible PTO

Stock options

Work from Home

Medical, dental, & vision

Professional development

Office perks

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

1%
Sources Security
Dec 11th, 2025
Aperio wireless locks join Rhombus security platform

Aperio wireless locks join Rhombus security platform. ASSA ABLOY Opening Solutions has successfully integrated its Aperio(R) wireless lock technology with Rhombus, a cloud-managed security platform that amalgamates security cameras, access controls, sensors, and alarm monitoring. This integration provides a comprehensive security solution managed from a single interface. Aperio wireless locks and Rhombus platform integration. The recent development allows Rhombus clients to leverage wireless locks in locations The recent development allows Rhombus clients to leverage wireless locks in locations unsuitable for wired solutions. By combining ASSA ABLOY's Aperio wireless locks with the Rhombus cloud platform, users gain a flexible and scalable approach to security management. Brandon Salzberg, Chief Technology Officer at Rhombus, commented, "This partnership is further enabling organisations to manage access, video, sensors, and AI-driven intelligence through a single, cloud-based experience; no on-prem servers or complex deployments required." The integration targets various sectors, including education, healthcare, manufacturing, and corporate enterprises. Expanding access control capabilities. The integration enables Rhombus users to easily expand both new and existing access control systems by including additional openings with Aperio locks. Offering an adaptable global platform, Aperio works with an array of locking hardware from ASSA ABLOY brands, providing versatility for diverse applications within facilities. Aperio's technology employs wireless communication (IEEE 802.15.4) between the lock and the Aperio hub, ensuring real-time connectivity with access control systems. This wireless setup simplifies installation, subsequently reducing overall costs. Comprehensive security with Rhombus suite. The Rhombus access control suite is engineered to integrate seamlessly with its existing suite of cameras The Rhombus access control suite is engineered to integrate seamlessly with its existing suite of cameras, sensors, and alarms. This creates a cohesive ecosystem for effective building security management, enhancing investigations with speed and intelligence, boosting security visibility, and mitigating potential threats. The Rhombus Console acts as the central operational hub for physical security, offering a user-friendly interface for managing camera systems, access controls, and live monitoring. This cloud-based interface is designed for scalability, accommodating unlimited cameras, doors, users, and devices across multiple locations. Embracing a cloud-native security approach. Angelo Faenza, Head of Access Control Solutions at ASSA ABLOY, stated, "Rhombus brings a modern, cloud-native approach that makes it easier for organisations to unify and manage security across their entire environment." This collaboration emphasises the adaptability of Aperio locks when paired with the Rhombus platform, designed to replace traditional access control barriers and facilitate the development of smart, interconnected facilities.

SDM Magazine
Dec 9th, 2025
ASSA ABLOY Integrates Aperio Wireless Technology With Rhombus

ASSA ABLOY integrates Aperio wireless technology with Rhombus. ASSA ABLOY Opening Solutions completed the integration of their Aperio wireless lock technology with access control from Rhombus, an open, cloud-managed physical security platform that brings security cameras, access control, sensors, alarm monitoring and software integrations together under a single pane of glass. "With this integration, customers can now extend the power of Rhombus into doors and areas where wired access control simply isn't practical. Pairing ASSA ABLOY's industry-leading Aperio wireless locks with the Rhombus cloud platform gives a flexible, scalable and truly unified approach to security. From schools to hospitals, manufacturers to enterprises, this partnership is further enabling organizations to manage access, video, sensors and AI-driven intelligence through a single, cloud-based experience; no on-prem servers or complex deployments required," said Brandon Salzberg, chief technology officer, Rhombus. The Aperio integration offers Rhombus customers a way to connect additional openings to both new and existing access control installations. "Rhombus brings a modern, cloud-native approach that makes it easier for organizations to unify and manage security across their entire environment," said Angelo Faenza, head of access control solutions, ASSA ABLOY. "Through this integration, customers can experience the flexibility of Aperio locks alongside the simplicity and scalability of the Rhombus platform - removing the barriers of traditional access control and enabling smarter, more connected facilities."

SDM Magazine
Sep 26th, 2025
Rhombus Launches Customizable Camera Analytics Solution

Rhombus launches customizable camera analytics solution.

The Conway Bulletin
Sep 6th, 2025
Rhombus Unveils Game-Changing Quanta Paddles at Just $100 - A New Era for Pickleball Players?

Rhombus has released the new Quanta paddle line, surprising players with a lower price and lighter design.

Sources Security
Aug 28th, 2025
Rhombus unveils AI security cameras for businesses

Rhombus, a pioneer in cloud-managed physical security, now announced the launch of four new security cameras purpose-built to meet the evolving safety demands of modern businesses.

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