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 Jul 31, 2026, the latest employee count at Phosphorus is 31.

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.

Where does Phosphorus rank among its competitors?

Phosphorus ranks 8th amongst 315 active competitors, of which 90 are funded. It stands 6th in terms of total funding among its competitors. The most recent competitor to raise funding was Keyfactor, which secured $1B in Jul, 2026.

Who are the top competitors of Phosphorus?

Phosphorus' top competitors include Armis, Ordr and Afero. Among them, Keyfactor secured the most recent funding round in July, 2026.

Phosphorus - 2026 Company Profile, Team, Funding & Competitors

Phosphorus is an acquired company based in Carlsbad (United States), founded in 2016 by Earle Ady and Chris Rouland. It operates as a Provider of IoT devices security systems. Phosphorus has raised $65M in funding from investors like Evolution Equity Partners, MassMutual Ventures and SYN Ventures. The company has 315 active competitors, including 90 funded and 40 that have exited. Its top competitors include companies like Armis, Ordr and Afero.

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

8^th among 315 active competitors

Employee Count

31 as on Jul 31, 2026

Similar Companies

Armis & 292 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	9125926	Series A	1896441	4954973	7316053	1345999
Feb 22, 2022	8507827	Series A	7759687	9424991	SYN Ventures & 1 more	General Advance & 1 more

Access funding benchmarks and valuations. Sign up today!

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, Martin LeRoy, Arthur Coviello, Jr., Christopher Rouland, 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 7m
agejvoi	Independent board member	-	Current	9y 1m
feravnn	Independent board member	-	Current	9y 6m
eggewhf	Independent board member	-	Current	2y 4m
drpaxj{	Independent board member	-	Current	8y 7m
wmydycj	Independent board member	-	Current	2y 3m

View details of Phosphorus's Founder profiles and Board Members

Phosphorus' employee count trend

Phosphorus has 31 employees as of Jul 26. Here is Phosphorus's employee count trend over the years:

Uncover Phosphorus' growth story! Sign up today!

Access Tracxn on any website

Our Google Chrome extension lets you view company details while browsing their websites

Install Tracxn Extension

Top competitors of Phosphorus include Armis, Ordr and Afero. 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 & 20 others	78/100
2nd	Ordr 2015, Santa Clara (United States), Series C	Developer of security solutions to detect vulnerabilities in IoT devices	$94M	Battery Ventures, Ten Eleven Ventures & 10 others	63/100
3rd	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
4th	SEALSQ 2022, Cointrin (Switzerland), Public	Manufacturer of semiconductor chips, embedded firmware, and other products	-	-	62/100
5th	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
6th	Quantum Base 2014, Lancaster (United Kingdom), Public	Quantum IoT and device security solutions provider	$1.15M	Mustard Kick, Lancaster University & 24 others	61/100
7th	AtomBeam 2017, Moraga (United States), Series A	A data management and security company specializing in edge computing	$35M	Starburst, RABID INVESTMENTS	60/100
8th	Phosphorus 2016, Carlsbad (United States), Acquired	Provider of IoT devices security systems	$65M	MassMutual Ventures, Evolution Equity Partners ... & 5 others	59/100
9th	Exein 2018, Rome (Italy), Series C	Provider of AI-powered cybersecurity solutions embedded directly into device firmware	$225M	Blue Cloud Ventures, United Ventures & 12 others	59/100
10th	Tosibox 2011, Oulu (Finland), Series A	Provider of network and device security solutions for IoT applications	$2.59M	Nexit Ventures, 3TS Capital Partners & 1 others	58/100