Security & Surveillance Technology · United States, India

Best Security & Surveillance Technology Companies in United States

Updated 2026-06-16 · Ranked by funding & momentum

2849 indexable Security & Surveillance Technology companies headquartered in United States, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $26.3B across 854 funded companies, including 14 unicorns.

2,849
Companies
$26.3B
Total Funding
854
Funded
14
Unicorns
11
Rounds (90d)

Ranked: Best Security & Surveillance Technology companies in United States

#CompanyFundingValuationStage Latest roundEmployeesFoundedMomentum
1 Shield AI Unicorn
Developer of AI-powered platforms and software for defense applications
$930.2M $2.8B
as of 2023
Series G Series G Mar 2026 364 2015 ↑ Active
2 AuthID
AI and cloud based identity proofing and authentication solutions for enterprises
$83.3M Public Post IPO Apr 2026 25 2011 ↑ Active
3 Spring Labs
Provider of an AI-native platform for complaints management and governance risk compliance
$66.5M Series C Series C May 2026 30 2017 ↑ Active
4 Verkada Unicorn
Developer of enterprise video surveillance systems and platforms
$456.6M $3.2B
as of 2022
Series E Series E Nov 2025 1,700 2016 ↑ Active
5 Metropolis Unicorn
AI company developing computer vision–powered systems to make parking spaces frictionless
$332.9M Series D Series D Nov 2025 92 2017 ↑ Active
6 Xona Space Systems
Developer of positioning, navigation, and timing infrastructure for connected systems
$55M Series C Series C Mar 2026 41 2019 ↑ Active
7 Alcatraz AI
Provider of AI-powered facial authentication access control and security systems
$51.1M Series B Series B Apr 2026 21 2016 ↑ Active
8 Epirus Unicorn
Developer of high-power microwave systems for electronic warfare and air defense
$288.7M $1.4B
as of 2022
Series D Series D Oct 2025 218 2017 ↑ Active
9 Alitheon
Provider of AI and cloud-based object identification technology
$32.9M Series A Series A Apr 2026 15 2015 ↑ Active
10 ZaiNar Unicorn
Developer of wireless network technology for precise real time positioning
$100M Seed Angel Feb 2026 26 2016 ↑ Active
11 Jazz
Developer of an AI-native data loss prevention platform for businesses
$61M Series A Series A Mar 2026 2024 ↑ Active
12 GoMotive Unicorn
AI-powered fleet management platform
$567.3M $2.9B
as of 2022
Series F Series F May 2025 4,300 2013 ↑ Active
13 Sift Unicorn
Provider of an AI-powered platform for fraud detection and prevention
$161.2M $1B
as of 2021
Series D Series D Oct 2025 167 1997 ↑ Active
14 Track Group
Offender monitoring and tracking solution
$26.1M Series C Series C Apr 2026 161 1995 ↑ Active
15 Cylake
Developer of an AI-native cybersecurity platform for on-premises or private cloud
$45M Seed Seed Mar 2026 2026 ↑ Active
16 Evolon
Provider of cloud and AI-based integrated video analytics systems
$18.3M Series A Seed Apr 2026 35 2020 ↑ Active
17 Swift Navigation
Provider of precise positioning solutions for automotive, mobile, and mass markets
$200M Series E Series E Jul 2025 102 2012 ↑ Active
18 Liberty Defense
Developer of a cloud and AI-based crime detection platform for weapon detection
$47M Public Post IPO Dec 2025 34 2012 ↑ Active
19 Chorus Intelligence
Provider of analytics based physical security and law enforcement intelligence solution
$19.8M Late Stage PE Mar 2026 52 2011 ↑ Active
20 Lassen Peak
Provider of weapon detection systems
$26M Series A Series A Jan 2026 20 2019 ↑ Active
21 Darwinium
Provider of business analytics, devops, security, and marketing services
$28M Series A Series A Feb 2026 23 ↑ Active
22 NextNav
Provider of an indoor positioning solution for enterprises
$284.1M Public Post IPO Mar 2025 60 2008 ↑ Active
23 Digital Ally
Manufacturer of video recording systems for law enforcement and commercial fleets
$65M Public Post IPO Sep 2025 201 2003 ↑ Active
24 Veritas Labs
Provider of microchip and digital certificate services for luxury goods
$17.5M Seed Seed Feb 2026 2015 ↑ Active
25 Daylight
Provider of agentic security services for threat detection and response
$40M Series A Series A Nov 2025 2024 ↑ Active
26 ScanTech AI Systems
Developer of artificial intelligence-powered security screening systems and software solutions
$50M Public Post IPO Oct 2025 2002 ↑ Active
27 Conntour
Provider of AI video analytics for security and surveillance operations
$7.5M Seed Seed Mar 2026 2024 ↑ Active
28 Life360
Mobile app connecting family members and close friends
$89.7M Public Post IPO Jun 2025 383 2008 ↑ Active
29 Sunflower Labs
Provider of AI-driven home security solutions using smart lighting and drones
$22.1M Series B Series B Nov 2025 30 2016 ↑ Active
30 XTEND
Developer of AI-assisted tactical unmanned aerial systems for military use
$60M Series B Series B Jul 2025 105 2018 ↑ Active
31 Spintly
Provider of a cloud-based, wireless access control platform allowing users to access doors using their smartphones
$5.4M $6.3M
as of 2023
Series A Series A Feb 2026 106 2018 ↑ Active
32 Fraud Protection Net
Provider of customizable data intelligence solutions for streamlining customer lifecycle
$8.7M Series A Series A Jan 2026 87 2012 ↑ Active
33 Cotool
Developer of AI agents for security operations and threat management
$7.4M Seed Seed Mar 2026 2025 ↑ Active
34 Viken Detection
Provider of vehicle forensic solutions for public safety management
$23M Series B Series B Sep 2025 31 2013 ↑ Active
35 ValidSoft
Provider of voice biometrics and deepfake protection security authentication solutions
$4.2M Acquired Series A Mar 2026 17 2003 ↑ Active
36 Iron Sheepdog
Online platform offering GPS-based app for fleet management
$10M Series B Series B Jan 2026 18 2018 ↑ Active
37 Herd Security
Provider of automated platform for security awareness training and phishing simulations
$3M Seed Seed May 2026 2023 ↑ Active
38 Prepared
Developer of AI-powered platform for public safety emergency response management
$52.8M Acquired Series C May 2025 42 2019 ↑ Active
39 IDmission
KYC solutions for multiple sectors
$11.1M Series A Series A Nov 2025 176 2011 ↑ Active
40 CertifID
Fraud detection solution for businesses
$34.2M Series C Series C Jul 2025 11 2007 ↑ Active
41 Senai
Provider of online video intelligence platform for real-time analysis
$6.2M Seed Seed Feb 2026 2019 ↑ Active
42 Vesta
Payment fraud prevention solutions for businesses
$86.9M Acquired Unattributed Apr 2025 165 1995 ↑ Active
43 RadiusAI
Provider of VisionAI technology for retail checkout and loss prevention
$1.6M Series A Series A Apr 2026 47 2017 ↑ Active
44 Ambient AI
Provider of AI-powered computer vision solutions for physical security
$72.1M Series B Series B Apr 2025 84 2017 ↑ Active
45 Hive Watch
Provider of AI-powered physical security intelligence systems
$20M Series B Series B Aug 2025 59 2020 ↑ Active
46 Luxonis
Provider of AI and camera-enabled video analytics systems for multiple applications
$4.8M Series A Series A Jan 2026 9 2011 ↑ Active
47 IC Realtime
Security solutions innovator, specializing in surveillance products and residential integration
$2M Series A Series A Apr 2026 60 2006 ↑ Active
48 Quantifind
Developer of an AI platform for financial crime risk management
$91.9M Series D Series D Jan 2025 68 2009 ↑ Active
49 ButterflyMX
Provider of cloud-based video intercom systems
$108.5M Series D Series D Jan 2025 235 2012 ↑ Active
50 Limbik
Provider of predictive analytics solutions
$3.1M Series A Series A Feb 2026 32 2001 ↑ Active

Top 12 Security & Surveillance Technology companies in United States

#1
Shield AI Unicorn Series G
$930.2M Raised
expand_more
#1

Shield AI Unicorn Series G

location_onSan Diego, California
Founded
2015
Employees
364
Funding raised
$930.2M
Valuation
$2.8B · 2023
Stage
Series G

Developer of AI-powered platforms and software for defense applications. The company provides solutions for mission autonomy, surveillance, and object detection. Its offerings include autonomous pilot software, command and control toolkits, and autonomy development platforms. It also manufactures unmanned aircraft for intelligence, surveillance, and reconnaissance missions.

Funding rounds (16 disclosed of 17)
Round Date Amount
Series G Mar 2026 $2B
Series F Feb 2025 $591.8M
Series F Dec 2023 $100M
Venture Debt Dec 2023 $200M
Series F Sep 2023 $281.3M
Series E Dec 2022 $60M
11 earlier rounds — sign up free
Tech stack
anime.jsapple icloud mailcloudflarecloudflare bot managementcore-jsdocusign+14
#2
AuthID Public
$83.3M Raised
expand_more
#2

AuthID Public

location_onLong Beach, California
Founded
2011
Employees
25
Funding raised
$83.3M
Stage
Public

AI and cloud based identity proofing and authentication solutions for enterprises. Its offering includes biometric identity proofing, authentication ID, facial biometric authentication, and fingerprint authentication. It also offers services such as technical supports and consulting. It caters to government and privates companies.

Funding rounds (19 disclosed of 20)
Round Date Amount
Post IPO Apr 2026 $4.2M
Post IPO Jun 2023 $4.1M
Post IPO May 2023 $9M
Post IPO Mar 2022 $22.5M
Series A Oct 2020 $5.2M
Series A Feb 2020 $1.5M
14 earlier rounds — sign up free
Founders & key people
Tech stack
atlassian statuspagecloudflarecloudflare bot managementcookie noticecore-jsdivi+14
#3
Spring Labs Series C
$66.5M Raised
expand_more
#3

Spring Labs Series C

location_onLos Angeles, California
Founded
2017
Employees
30
Funding raised
$66.5M
Stage
Series C

Provider of an AI-native platform for complaints management and governance risk compliance. The platform offers conversation intelligence, direct complaints detection, and regulatory complaints tracking. It also provides templated response generation, resolution analysis, and complaints insights business intelligence. The platform integrates with existing systems to streamline workflows. It helps teams unlock custome

Funding rounds (7 disclosed of 7)
Round Date Amount
Series C May 2026 $5M
Series B May 2025 $2.5M
Series B May 2021 $15M
Series A Jun 2019 $23M
Seed May 2019 $13.8M
Seed Mar 2018 $14.8M
1 earlier round — sign up free
#4
Verkada Unicorn Series E
$456.6M Raised
expand_more
#4

Verkada Unicorn Series E

location_onSan Mateo, California
Founded
2016
Employees
1,700
Funding raised
$456.6M
Valuation
$3.2B · 2022
Stage
Series E

Developer of enterprise video surveillance systems and platforms. The platform allows the user to remotely monitor and watch real-time video feeds from the connected cameras. It claims that the cameras and systems require minimal cabling, and no open ports and eliminate the requirement of additional hardware equipment.

Funding rounds (11 disclosed of 11)
Round Date Amount
Series E Nov 2025 $100M
Series E Dec 2024 $200M
Series D Sep 2023 $100M
Series D Aug 2022 $205M
Series C Jan 2020 $80M
Series B Apr 2019 $50.9M
5 earlier rounds — sign up free
Tech stack
amazon cloudfrontamazon elbamazon s3amazon sesamazon web servicesant design+14
#5
Metropolis Unicorn Series D
$332.9M Raised
expand_more
#5

Metropolis Unicorn Series D

location_onSanta Monica, California
Founded
2017
Employees
92
Funding raised
$332.9M
Stage
Series D

AI company developing computer vision–powered systems to make parking spaces frictionless. It offers end-to-end parking management solutions from operations to analytics. It offers various solutions like operations management, payments solutions, marketing, customer-centric mobile applications, analytics, and more. It offers features like ease of integrations, optimizes operational management, and more.

Funding rounds (6 disclosed of 6)
Round Date Amount
Series D Nov 2025 $500M
Conventional Debt Nov 2025 $1.1B
Series C Sep 2022 $107.4M
Series B Jun 2022 $167M
Series A Feb 2021 $41M
Seed Jun 2019 $17.5M
Tech stack
amazon cloudfrontamazon s3amazon web servicesangularapple icloud mailcart functionality+14
#6
$55M Raised
expand_more
#6

Xona Space Systems Series C

location_onBurlingame, California
Founded
2019
Employees
41
Funding raised
$55M
Stage
Series C

Developer of positioning, navigation, and timing infrastructure for connected systems. The company delivers a new layer of precision and resilience to power systems. It offers a software development kit designed for developers and compatible with receivers and chipsets. The company provides secure positioning for applications ranging from geospatial to IoT.

Funding rounds (8 disclosed of 9)
Round Date Amount
Series C Mar 2026 $170M
Grant (prize money) Jun 2025 $20M
Series B Jun 2025 $74.6M
Series A Apr 2024 $30.7M
Series A Aug 2022 Undisclosed
Series A Apr 2022 $10M
3 earlier rounds — sign up free
Tech stack
framer sitesgoogle analyticsgoogle font apigoogle tag managerhstshttp/3+5
#7
Alcatraz AI Series B
$51.1M Raised
expand_more
#7

Alcatraz AI Series B

location_onPalo Alto, California
Founded
2016
Employees
21
Funding raised
$51.1M
Stage
Series B

Provider of AI-powered facial authentication access control and security systems. The company offers solutions for biometric turnstiles, multi-factor authentication, and perimeter security. It serves industries including aviation, critical infrastructure, data centers, and financial services. The company's technology provides features such as tailgating detection, video at the door, and supports SIP based intercom. T

Funding rounds (5 disclosed of 5)
Round Date Amount
Series B Apr 2026 $50M
Series A Sep 2022 $25M
Series A Apr 2021 $6.1M
Series A Apr 2020 $14M
Series A Mar 2019 $6M
Tech stack
amazon sesamazon web servicesant designcloudflarecloudflare bot managementcloudflare stream+14
#8
Epirus Unicorn Series D
$288.7M Raised
expand_more
#8

Epirus Unicorn Series D

location_onLos Angeles, California
Founded
2017
Employees
218
Funding raised
$288.7M
Valuation
$1.4B · 2022
Stage
Series D

Developer of high-power microwave systems for electronic warfare and air defense. The company combines solid-state, long-pulse high-power microwave systems with artificial intelligence and advanced electronics. It offers systems for layered short-range air defense and maneuver short-range defense. The company also provides testing and validation for electronic effects on long-range targets. It develops capabilities t

Funding rounds (6 disclosed of 7)
Round Date Amount
Series D Oct 2025 Undisclosed
Series D Mar 2025 $250M
Series C Jan 2022 $200M
Grant (prize money) Dec 2021 $243K
Series C Oct 2020 $57.3M
Series B Sep 2020 $70M
1 earlier round — sign up free
Tech stack
cdnjscloudflarecloudflare bot managementcloudflare turnstilecore-jsdocusign+14
#9
Alitheon Series A
$32.9M Raised
expand_more
#9

Alitheon Series A

location_onBellevue, Washington
Founded
2015
Employees
15
Funding raised
$32.9M
Stage
Series A

Provider of AI and cloud-based object identification technology. It uses computer vision technology to recognize and perceive objects. It has invented the patented concept of FeaturePrint which is a recognition technology for objects. Its technology tracks small, unique properties that make it distinct from all other similar items.

Funding rounds (8 disclosed of 8)
Round Date Amount
Series A Apr 2026 $8M
Grant (prize money) Jul 2023 $388K
Series A Sep 2022 $10M
Seed Dec 2021 $2.9M
Seed Jul 2021 $702.9K
Seed Jan 2020 $14.9M
2 earlier rounds — sign up free
Tech stack
amazon web servicesapache http serverapple icloud mailgoogle font apihstsjquery+14
#10
ZaiNar Unicorn Seed
$100M Raised
expand_more
#10

ZaiNar Unicorn Seed

location_onMenlo Park, California
Founded
2016
Employees
26
Funding raised
$100M
Stage
Seed

Developer of wireless network technology for precise real time positioning. This platform utilizes existing cellular and wireless signals to provide sub-meter accuracy for tracking objects and equipment. The system functions by achieving sub-nanosecond time synchronization across wireless networks, enabling continuous location awareness without requiring additional hardware infrastructure. Applications include tracki

Funding rounds (1 disclosed of 2)
Round Date Amount
Angel Feb 2026 $100M
Seed Sep 2018 Undisclosed
Tech stack
bootstrapcloudflaregoogle analyticsgoogle font apigoogle workspacehsts+14
#11
Jazz Series A
$61M Raised
expand_more
#11

Jazz Series A

location_onNew York, New York
Founded
2024
Funding raised
$61M
Stage
Series A

Developer of an AI-native data loss prevention platform for businesses. The platform investigates data, systems, people, and business contexts to provide answers, not alerts. It offers granular control over monitoring, investigation, retention, and presentation to analysts. The platform aims to reduce risk without disrupting business flow through informed decisions and precise blocks when needed.

Funding rounds (2 disclosed of 2)
Round Date Amount
Series A Mar 2026 $43M
Seed $18M
Tech stack
apple icloud mailcloudflarecloudflare bot managementcore-jsgoogle analyticsgoogle tag manager+13
#12
GoMotive Unicorn Series F
$567.3M Raised
expand_more
#12

GoMotive Unicorn Series F

location_onSan Francisco, California
Founded
2013
Employees
4,300
Funding raised
$567.3M
Valuation
$2.9B · 2022
Stage
Series F

AI-powered fleet management platform. It combines dashcams, GPS tracking, ELD compliance, and equipment monitoring for trucking and logistics operations. It delivers solutions for workforce management, compliance, and accident management. The platform also provides customized artificial intelligence solutions for various operational needs.

Funding rounds (8 disclosed of 9)
Round Date Amount
Series F May 2025 $150M
Series F May 2022 $150M
Series E Jun 2021 $190M
Series D Sep 2019 Undisclosed
Series D Apr 2019 $149M
Series C Mar 2018 $50M
3 earlier rounds — sign up free
Tech stack
6sensealpine.jsamazon albamazon sesamazon web servicesamplitude+14

Recent signals in United States Security & Surveillance Technology

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Funding & investor landscape

Total raised
$26.3B
across these companies
Companies funded
854
with disclosed funding
Highest-funded
$1.8B raised

Most active investors

YC Y Combinator 44 investments in Security & Surveillance Technology T Techstars 40 investments in Security & Surveillance Technology PC Plug and Play Tech Center 29 investments in Security & Surveillance Technology E Europa 23 investments in Security & Surveillance Technology NF National Science Foundation 23 investments in Security & Surveillance Technology CF Capital Factory 22 investments in Security & Surveillance Technology I In-Q-Tel 21 investments in Security & Surveillance Technology 5G 500 Global 13 investments in Security & Surveillance Technology AH Andreessen Horowitz 13 investments in Security & Surveillance Technology H HHS 13 investments in Security & Surveillance Technology IC Intel Capital 13 investments in Security & Surveillance Technology M MassChallenge 13 investments in Security & Surveillance Technology

Notable founders in United States Security & Surveillance Technology

BT Brandon Tseng Co-Founder Shield AI · $930.2M raised
RT Ryan Tseng Co-Founder & Chief Strategy Officer & President Shield AI · $930.2M raised
GS Gary Steele CEO Shield AI · $930.2M raised
TT Tom Thimot CEO AuthID · $83.3M raised
AF Anna Fridman Co-Founder Spring Labs · $66.5M raised
AJ Adam Jiwan Co-Founder & CEO Spring Labs · $66.5M raised
HR Hans Robertson Co-Founder & Executive Chairman Verkada · $456.6M raised
JR James Ren Co-Founder Verkada · $456.6M raised
BB Benjamin Bercovitz Co-Founder Verkada · $456.6M raised
FK Filip Kaliszan Co-Founder & CEO Verkada · $456.6M raised
CF Courtney Fukuda Co-Founder & Chief Integration Officer Metropolis · $332.9M raised
PF Peter Fisher Co-Founder & CCO Metropolis · $332.9M raised

Frequently asked questions

How many Security & Surveillance Technology companies are there in United States?
Radar tracks 2849 indexable Security & Surveillance Technology companies headquartered in United States, India, that meet our profile-completeness bar.
What is the total funding raised by Security & Surveillance Technology companies in United States?
The Security & Surveillance Technology companies in United States on this list have raised a combined $26.3B in disclosed equity funding across 854 funded companies.
Which is the highest-funded Security & Surveillance Technology company in United States?
NortonLifeLock is the highest-funded Security & Surveillance Technology company in United States, with $1.8B in disclosed equity funding.
How many Security & Surveillance Technology companies in United States are funded?
854 of the 2849 Security & Surveillance Technology companies in United States on this list have disclosed at least one equity funding round.
How many Security & Surveillance Technology unicorns are there in United States?
14 Security & Surveillance Technology companies in United States on this list are valued at $1B or more.
Who are the top investors in United States Security & Surveillance Technology companies?
The most active investors in United States Security & Surveillance Technology companies on this list include Y Combinator, Techstars, Plug and Play Tech Center, Europa, National Science Foundation.

Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-16.

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