When was Phosphorus founded?

Phosphorus was founded in 2016 and raised its 1st funding round 6 years after it was founded.

Where is Phosphorus located?

Phosphorus is headquartered in Carlsbad, United States. It is registered at Phosporus Cybersecurity Inc 6790 Embarcadero Lane, Suite 100 Carlsbad, CA 92011.

Who is the current CEO of Phosphorus?

Chris Rouland of Phosphorus. They have also founded 1 company.

How many employees does Phosphorus have?

As of Aug 31, 2026, the latest employee count at Phosphorus is 30.

Is Phosphorus a funded company?

Phosphorus is a funded company, having raised a total of $65M across 2 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on Feb 22, 2022.

When was the latest funding round of Phosphorus?

Phosphorus' latest funding was a $***** Series A round on Dec 11, 2023, with participation from 1 investor. Its primary sector is Cybersecurity. In United States, the Cybersecurity sector has seen $7.5B in funding in 2026 to date.

Where does Phosphorus rank among its competitors?

Phosphorus ranks 9th amongst 326 active competitors, of which 90 are funded. It stands 5th in terms of total funding among its competitors. The most recent competitor to raise funding was Exein, which secured $270M in Sep, 2026.

Who are the top competitors of Phosphorus?

Phosphorus' top competitors include Armis, Afero and SEALSQ. Among them, Exein secured the most recent funding round in September, 2026.

Phosphorus - 2026 Company Profile, Team, Funding & Competitors

Company Details

Provider of IoT devices security systems. It provides an application that enables secure software updates and alerts using agent-less update technology. The application is available for Android and iOS. It is used to provide security in the field of manufacturing, industrial IoT, healthcare, and data centers.

Website: phosphorus.io
Social
Email ID: *****@phosphorus.io
Registered Address: Phosporus Cybersecurity Inc 6790 Embarcadero Lane, Suite 100 Carlsbad, CA 92011

Key Metrics

Founded Year

2016

Location

Carlsbad, United States

Stage

Acquired

Total Funding

$65M in 2 rounds

Latest Funding Round

Series A, Dec 11, 2023, $*****

Investors

Evolution Equity Partners & 6 more

Ranked

9^th among 326 active competitors

Employee Count

30 as on Aug 31, 2026

Similar Companies

Armis & 301 more

Exit Details

Acquired by Dragos (Jun 01, 2026)

View Phosphorus' full profile

Phosphorus is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Phosphorus Cybersecurity Inc. CIN: 32084296717 , United States, Active	Jun 29, 2022	-	-	-
Phosphorus Cybersecurity Inc. CIN: 82-1396889 , United States, Active	Apr 02, 2017	-	-	-

Phosphorus got acquired by Dragos on Jun 01, 2026.

Click here to take a look at Phosphorus's acquisition in detail

Phosphorus has raised a total funding of $65M over 2 rounds. Its first funding round was on Feb 22, 2022. Its latest funding round was a Series A round on Dec 11, 2023 for $*****. 1 investor participated in its latest round. Phosphorus has 7 institutional investors.

Here is the list of recent funding rounds of Phosphorus:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Dec 11, 2023	5587763	Series A	4271581	3927810	3041687	4277248
Feb 22, 2022	2061634	Series A	7841929	8739590	SYN Ventures & 1 more	General Advance & 1 more

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View details of Phosphorus's funding rounds and investors

The founders of Phosphorus are Earle Ady and Chris Rouland. Chris Rouland is the CEO of Phosphorus.

Here are the details of Phosphorus' key team members:

Earle Ady: Co-Founder & Chief Technology Officer of Phosphorus. They serve on the board of 1 company.
Contact Info: 1 email address
Chris Rouland: Co-Founder & CEO of Phosphorus.
Contact Info: 1 email address

Phosphorus' Board of Directors

Phosphorus's board has 6 active members. Earle Ady, Arthur Coviello, Jr., Christopher Rouland, Martin LeRoy, JR Smith and Charles Andros are independent board members.

Here is the list of Phosphorus' board of directors:

Name	Type	Representing	Status	Duration
Earle Ady	Independent board member	-	Current	2y 9m
atyinno	Independent board member	-	Current	7y 2m
ymfyzc{	Independent board member	-	Current	3y 6m
shfazfc	Independent board member	-	Current	1y 1m
blzcalc	Independent board member	-	Current	7y 9m
yyiyomc	Independent board member	-	Current	7y 7m

View details of Phosphorus's Founder profiles and Board Members

Phosphorus' employee count trend

Phosphorus has 30 employees as of Aug 26. Here is Phosphorus's employee count trend over the years:

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Top competitors of Phosphorus include Armis, Afero and SEALSQ. Here is the list of Top 10 competitors of Phosphorus, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Armis 2015, San Francisco (United States), Acquired	Provider of a wireless security platform for IoT applications	$1.17B	Sequoia Capital, Tenaya Capital & 22 others	77/100
2nd	Afero 2014, Los Altos (United States), Series C	Provider of a cloud-based end-to-end IoT platform	$73.2M	Samsung Catalyst Fund, Crosspoint Capital Partners ... & 13 others	62/100
3rd	SEALSQ 2022, Cointrin (Switzerland), Public	Manufacturer of semiconductor chips, embedded firmware, and other products	-	-	62/100
4th	Keyfactor 2001, Independence (United States), Series F	Provider of digital trust, PKI, certificate automation, and crypto management solutions	$1.22B	Insight Partners, Sixth Street & 5 others	61/100
5th	Quantum Base 2014, Lancaster (United Kingdom), Public	Quantum IoT and device security solutions provider	$1.15M	Mustard Kick, Lancaster University & 24 others	61/100
6th	AtomBeam 2017, Moraga (United States), Series A	A data management and security company specializing in edge computing	$35M	Starburst, RABID INVESTMENTS	60/100
7th	Karamba Security 2016, Hod Hasharon (Israel), Series B	Platform offering cybersecurity solutions for vehicles	$27M	Fontinalis Partners, YL Ventures & 13 others	60/100
8th	Exein 2018, Rome (Italy), Series D	Provider of AI-powered cybersecurity solutions embedded directly into device firmware	$495M	Blue Cloud Ventures, United Ventures & 19 others	59/100
9th	Phosphorus 2016, Carlsbad (United States), Acquired	Provider of IoT devices security systems	$65M	MassMutual Ventures, General Advance & 5 others	58/100
10th	Secure-IC 2010, Cesson Sevigne (France), Acquired	Provider of cybersecurity solutions for embedded systems and connected objects	$22.7M	Alliance Entreprendre, BNP Paribas Developpement ... & 2 others	58/100