Best Security & Surveillance Technology Companies in San Francisco, United States
The 154 best Security & Surveillance Technology companies in San Francisco, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Samsara.
Our analysis of 50 Security & Surveillance Technology companies
$4.8b in tracked funding; 91% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Security & Surveillance Technology companies in San Francisco
| # | Company | Disclosed funding | Last round | Stage | Employees | Founded | App-install YoY | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Samsara 🦄 Platform offering AI-powered and cloud-based vehicle tracking solutions for fleet owners | $915M | 73 mo ago | Public | 2,266 2,266 → 5,642 (+149%) · sector median +80% | 2015 | +33% | 190 patents Real-time fleet telematics and driver safety via integrated vehicle sensor monitoring. | 1 partnership |
| 2 | GoMotive 🦄 AI-powered fleet management platform 91Funding top 18%Market top 23%Tech top 24%Product top 24% All 11 signals ▾Fundingtop 18% Markettop 23% Techtop 24% Producttop 24% Customerstop 24% Moattop 26% Innovationtop 32% AItop 32% Growthtop 36% Globaltop 36% Talentbottom 49% Funding: Raised $567M across 8 rounds · 8 rounds over 13 yrs (0.6/yr) Market: 4,300 employees (top 4% of Transportation and Logistics Tech) · Top-500,000 web property rank vs industry peers · Fliar Intelligence Index 91/100 | $567M | 13 mo ago | Series F | 4,300 | 2013 | +32% | — | 1 launch · 1 expansion · 1 award |
| 3 | Incode 🦄 Developer of identity verification software using biometric and document analysis | $260M | 54 mo ago | Series B | 317 | 2015 | — | — | 1 launch |
| 4 | Swift Navigation Provider of precise positioning solutions for automotive, mobile, and mass markets 74Funding top 19%Innovation top 20%Patents top 22%Tech top 24% All 10 signals ▾Fundingtop 19% Innovationtop 20% Patentstop 22% Techtop 24% Moattop 26% Producttop 29% Growthtop 45% Newstop 46% Marketbottom 47% Globalbottom 42% Funding: Raised $200M across 6 rounds · 6 rounds over 12 yrs (0.5/yr) Innovation: 129 patents (top 9% of patent-holders) · 97 filings since 2022 vs 31 in 2017-21 rank vs industry peers · Fliar Intelligence Index 74/100 | $200M | 10 mo ago | Series E | 102 102 → 130 (+27%) · sector median +80% | 2012 | — | 129 patents Real-time GNSS correction, integrity monitoring, and outlier mitigation for precise positioning | 1 award |
| 5 | Sift 🦄 Provider of an AI-powered platform for fraud detection and prevention 67Funding top 20%Product top 21%Moat top 32%Tech top 38% All 11 signals ▾Fundingtop 20% Producttop 21% Moattop 32% Techtop 38% Talenttop 38% Markettop 41% AItop 45% Growthtop 47% Innovationbottom 49% Globalbottom 39% Patentsbottom 36% Funding: Raised $161M across 9 rounds · 9 rounds over 28 yrs (0.3/yr) Product: 4 distinct product lines · Company stage: Series D rank vs industry peers · Fliar Intelligence Index 67/100 | $161M | 8 mo ago | Series D | 167 167 → 269 (+61%) · sector median +80% | 1997 | — | 4 patents Real-time fraud detection and risk scoring using predictive analytics and network security | — |
| 6 | Dedrone Provider of AI-based smart airspace security solutions | $130M | 47 mo ago | Acquired | 48 | 2014 | — | 61 patents UAV detection, tracking, and countermeasure technologies using RF, radar, and signal analysis | — |
| 7 | Arkose Labs Fraud and abuse prevention solution | $114M | 61 mo ago | Series C | 238 | 2013 | — | 24 patents Online fraud prevention via device fingerprinting and interactive challenge-response mechanisms | 1 launch |
| 8 | Unit21 Technologies Provider of an AI-powered platform for financial crime prevention and compliance | $92M | 35 mo ago | Series C | 90 90 → 120 (+33%) · sector median +80% | 2018 | — | — | 1 award |
| 9 | Proxy Provider of mobile reader based access control systems | $90M | 75 mo ago | Acquired | 62 | 1994 | — | 69 patents Wearable biometric identification and presence-sensing interfaces | — |
| 10 | Life360 Mobile app connecting family members and close friends 87Tech top 16%Customers top 19%Funding top 22%News top 24% All 14 signals ▾Techtop 16% Customerstop 19% Fundingtop 22% Newstop 24% Markettop 27% Fin. healthtop 28% Growthtop 35% Talenttop 37% Moattop 38% Producttop 39% AItop 45% Innovationtop 47% Patentstop 49% Globalbottom 39% Tech: 115 technologies across 7/8 capability areas · Cloud: Akamai, Amazon Alb Customers: Play-Store rating 4.43★ across 2,200,377 ratings (1 apps) · Review volume +6% in 6 mo rank vs industry peers · Fliar Intelligence Index 87/100 | $90M | 12 mo ago | Public | 383 383 → 855 (+123%) · sector median +80% | 2008 | +22% | 47 patents Context-aware mobile app monitoring, access control, geofence management, and safety alerts | 1 partnership · 1 award |
| 11 | SentiLink Provider of solution for protection against identity theft | $85M | 58 mo ago | Series B | 73 | 2017 | — | 2 patents Detecting synthetic identities for fraud prevention in financial transaction systems. | — |
| 12 | August Provider of a smart lock and access system | $73M | 107 mo ago | Acquired | 4 | 2012 | +12% | 25 patents Semiconductor wafer handling and automated defect inspection imaging systems | 1 partnership · 1 award |
| 13 | Fyusion Developer of 3D image processing technology for consumer applications | $71M | 84 mo ago | Acquired | 80 | 2014 | — | 371 patents Advanced 3D computer vision and synthetic view generation for imaging and analysis | — |
| 14 | Cobalt Robotics Provider of patrolling robots for applications in commercial buildings | $66M | 83 mo ago | Series B | 57 | 2016 | — | 53 patents Autonomous indoor security and logistics robots with navigation, surveillance, and manipulation capabilities. | — |
| 15 | Nightfall Provider of a data loss prevention platform for SaaS and AI | $60M | 46 mo ago | Series B | 56 56 → 111 (+98%) · sector median +80% | 2018 | — | — | — |
| 16 | 3VR Video intelligence solutions for real-time security to detect fraud and customer insights | $60M | 115 mo ago | Acqui-Hired | 60 | 2002 | — | — | — |
| 17 | Dropcam Developer of WiFi-enabled indoor monitoring cameras | $48M | 154 mo ago | Acquired | — | 2009 | — | — | — |
| 18 | Paravision AI Developer of Identity AI with modular, ethically built AI for next-generation identity workflows | $47M | 48 mo ago | Series C | 70 | 2013 | — | — | — |
| 19 | Darwinium Provider of business analytics, devops, security, and marketing services 55Talent top 23%Funding top 29%Growth top 35%Tech top 37% All 7 signals ▾Talenttop 23% Fundingtop 29% Growthtop 35% Techtop 37% Globalbottom 46% Marketbottom 30% Newsbottom 21% Talent: 6 named leaders on record · 6 C-suite/founder profiles curated Funding: Raised $28.0M · 2 rounds over 4 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $28M | 4 mo ago | Series A | 23 | — | — | — | — |
| 20 | BehavioSec Provider of behavioral biometrics and machine learning authentication solutions | $25M | 100 mo ago | Acquired | 53 | 2008 | — | 36 patents Patents concentrated in computing, sensing & instrumentation | — |
| 21 | Sunflower Labs Provider of AI-driven home security solutions using smart lighting and drones 62Funding top 31%Innovation top 35%Growth top 35%Patents top 36% All 11 signals ▾Fundingtop 31% Innovationtop 35% Growthtop 35% Patentstop 36% Moattop 37% Talenttop 38% Techtop 43% Newstop 44% AItop 45% Globalbottom 39% Marketbottom 34% Funding: Raised $22.1M across 5 rounds · 5 rounds over 10 yrs (0.5/yr) Innovation: 18 patents (top 54% of patent-holders) · 5 filings since 2022 vs 3 in 2017-21 rank vs industry peers · Fliar Intelligence Index 62/100 | $22M | 7 mo ago | Series B | 30 | 2016 | — | 18 patents Autonomous multicopter drones for security surveillance, auto‑landing, and sensor‑network integration | — |
| 22 | abode Smart cameras for home security | $21M | 97 mo ago | Acquired | 22 | 2014 | +12% | — | — |
| 23 | Mindee Provider of AI-powered platform for document data extraction and workflow automation | $21M | 39 mo ago | Series A | 57 | 2017 | — | — | — |
| 24 | Automation Hero Provider of an intelligent process automation platform for automating tasks | $19M | 87 mo ago | Series A | 31 | 2017 | — | — | — |
| 25 | Talix Cloud and AI based analytics platform that provides healthcare risk adjustment solutions | $19M | 96 mo ago | Acqui-Hired | 59 | 2015 | — | 3 patents Clinical data analytics platform for searching, analyzing, and annotating patient health records | — |
| 26 | CrowdOptic Provider of integrated video analytics solutions | $18M | 99 mo ago | Deadpooled | 17 | 2010 | — | — | — |
| 27 | Umbo Computer Vision Develops smart security camera and surveillance platform for enterprises | $18M | 80 mo ago | Series B | 21 | 2014 | — | — | — |
| 28 | Deep Labs Artificial intelligence-based identity verification solution | $18M | 63 mo ago | Series A | 64 | 2016 | — | 47 patents Patents concentrated in computing, sensing & instrumentation | — |
| 29 | BOSONIC Operator of an alternative trading system for digital asset securities | $15M | 54 mo ago | Series A | 32 | 2016 | — | 12 patents Blockchain-enabled electronic recordation platforms for legal and property registration services | — |
| 30 | Roadio AI and SaaS-based fleet management solutions for fleet operators | $14M | 28 mo ago | Series A | 10 | 2020 | — | 10 patents Real-time sensor-driven situational awareness systems for cyclists and vehicle operators | — |
| 31 | Castle Provider of infrastructure to detect and prevent bots, abuse, and fraud | $14M | 88 mo ago | Series A | 21 21 → 52 (+148%) · sector median +80% | 2015 | — | 10 patents AI-driven visual content authentication and detection, plus automated woodworking fastener placement. | — |
| 32 | Imgix Provider of real-time image resizing as a service | $12M | 116 mo ago | Series A | 58 58 → 40 (-31%) · sector median +80% | 2011 | — | — | 3 launchs |
| 33 | Hakimo AI Provider of AI-based software solutions for security and surveillance | $10M | 14 mo ago | Series A | 18 | 2020 | — | 2 patents AI-driven video alarm analysis and automated audio talkdown for remote security guarding | 2 job openings · 1 launch |
| 34 | Gate Labs Manufacturer of smart lock with video camera and intercom system | $10M | 99 mo ago | Series B | 6 | 2014 | — | 30 patents Patents concentrated in computing, sensing & instrumentation | — |
| 35 | Self Labs Provider of digital identity verification using zero-knowledge cryptography for Web2/Web3 42Talent top 28%Growth top 35%Tech top 41%Funding top 49% All 8 signals ▾Talenttop 28% Growthtop 35% Techtop 41% Fundingtop 49% Productbottom 40% Customersbottom 35% Globalbottom 33% Marketbottom 30% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 42/100 | $9M | 7 mo ago | Seed | — | 2024 | — | — | 4 launchs |
| 36 | Effectiv AI based anti fraud and risk management solution for businesses | $9M | 34 mo ago | Acquired | 17 | 2021 | — | — | — |
| 37 | Velou Provider of personalized search solution for businesses | $9M | 21 mo ago | Series A | 41 | 2018 | — | — | 1 award |
| 38 | Scytale Identity and access management soltion | $8M | 87 mo ago | Acqui-Hired | 23 | 2017 | — | — | — |
| 39 | Conntour Provider of AI video analytics for security and surveillance operations 62AI top 20%Growth top 28%Funding top 35%Talent top 38% All 7 signals ▾AItop 20% Growthtop 28% Fundingtop 35% Talenttop 38% Techbottom 48% Globalbottom 48% Marketbottom 31% AI: Classified as an AI company Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 62/100 | $8M | 2 mo ago | Seed | — | 2024 | — | — | 1 job opening · 1 award |
| 40 | Cotool Developer of AI agents for security operations and threat management 50Talent top 45%Tech top 47%Funding top 49%Global bottom 33% All 4 signals ▾Talenttop 45% Techtop 47% Fundingtop 49% Globalbottom 33% Talent: 2 named leaders on record Tech: 18 technologies across 4/8 capability areas · Cloud: Cloudflare, Vercel rank vs industry peers · Fliar Intelligence Index 50/100 | $7M | 3 mo ago | Seed | — | 2025 | — | — | — |
| 41 | Theseus GPS denied navigation for drones | $5M | 14 mo ago | Seed | — | 2024 | — | 4 patents AI-driven spinal surgery planning and pedicle screw placement prediction systems | — |
| 42 | DeepTrust Provider of AI solutions for cybersecurity for voice and video communications | $4M | 6 mo ago | Series A | — | 2023 | — | — | — |
| 43 | Keyo Provider of an online solution to manage rental properties | $3M | 43 mo ago | Seed | 5 | 2015 | — | — | — |
| 44 | IDPartner Digital identity verification solution | $3M | 30 mo ago | Seed | 10 | 2021 | — | — | — |
| 45 | Miru Labs Developer of an investigation platform unifying data for cybersecurity and safety | $3M | 9 mo ago | Seed | — | 2023 | — | — | — |
| 46 | Tisc Developer of decentralized computing platform for permissionless application deployment | $2M | 6 mo ago | Seed | — | 2024 | — | — | — |
| 47 | Neural Defend Developer of a platform providing deepfake detection and digital trust solutions | $600K | 15 mo ago | Seed | — | 2024 | — | — | — |
| 48 | Protent Provider of real-time video intelligence for law enforcement and security | $500K | 5 mo ago | Seed | — | 2025 | — | — | — |
| 49 | Alacrity AI based account takeover prevention platform | $500K | 24 mo ago | Seed | — | 2024 | — | 9 patents Electrical neurostimulation devices for peripheral nerve block and neuromodulation therapies | — |
| 50 | Protegee Platform for AI training data enabling and compliant data exchange | $500K | 24 mo ago | Seed | — | 2024 | — | — | — |
Top 12 Security & Surveillance Technology companies in San Francisco
#1
Sift 🦄Series D · San Francisco, California · founded 1997 · 167 employees$161.2Mraised▾
Provider of an AI-powered platform for fraud detection and prevention. The platform offers solutions for account takeover, payment fraud, chargeback fraud, and policy abuse. It also provides tools for content integrity, dispute management, and identity trust. The platform helps businesses to secure transactions and build trust with customers.
- Oct 2025Series D$507.2K
- Apr 2021Series D$50M
- Mar 2018Series D$53M
- Jul 2016Series C$30M
#2
GoMotive 🦄Series F · San Francisco, California · founded 2013 · 4300 employees$567.3Mraised▾
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.
- May 2025Series F$150M
- May 2022Series F$150M
- Jun 2021Series E$190M
- Sep 2019Series D—
#3
Series E · San Francisco, California · founded 2012 · 102 employees$200Mraised▾
Provider of precise positioning solutions for automotive, mobile, and mass markets. The company delivers GNSS positioning solutions designed for autonomous applications. It offers a suite of positioning solutions that are accurate, affordable, easily integrated, reliable, and secure. The company designs and assembles products to benefit customers across the globe.
- Jul 2025Series E$50M
- Oct 2022Series D$100M
- Feb 2021Series C$50M
- Jun 2017Series B$34M
#4
Series A · San Francisco, California · 23 employees$28Mraised▾
Provider of business analytics, devops, security, and marketing services
#5
Seed · San Francisco, California · founded 2024$7.5Mraised▾
Provider of AI video analytics for security and surveillance operations. It offers capabilities to monitor and search video footage using text descriptions. The system integrates with existing systems and allows users to attach images to improve detection. It provides reports with video highlights and footage links.
- Mar 2026Seed$7M
- 2025Seed$500K
#6
Public · San Francisco, California · founded 2008 · 383 employees$89.7Mraised▾
Mobile app connecting family members and close friends. It enables users to view the location of their family members on a map, communicate with them, and receive alerts. Users can organise their friends by creating circles. The application offers real-time GPS tracking and driving info of the family members. It also provides a paid premium version with additional features. The app is available for Android and iOS.
- Jun 2025Post IPO$320M
- Jun 2021Post IPO$2.1M
- Dec 2017Series C$18.5M
- May 2014Series C$50M
#7
Series B · San Francisco, California · founded 2016 · 30 employees$22.1Mraised▾
Provider of AI-driven home security solutions using smart lighting and drones. The smart lights are integrated into a stick form factor that also contains motion sensors to detect intruders. The stick can be stuck on the grounds of a house and when a trespasser is detected. When unusual activity is detected, the companion drone can be sent to collect video. The drone is a quadcopter that flies autonomously and records video using a combined IR and optical camera.
- Nov 2025Series B$16M
- Dec 2023Series A$1.5M
- Jan 2022Series A$15M
- 2019Seed—
#8
Seed · San Francisco, California · founded 2025$7.4Mraised▾
Developer of AI agents for security operations and threat management. The company offers customizable AI agents that automate detection engineering and monitor emerging threats. These agents run continuous hunts and investigate alerts instantly, adapting to team workflows. The AI agents build and tune detection logic automatically, improving coverage across security operations. Agents autonomously monitor, triage, investigate, and tune detection as code. The company's agents continuously monitor intel and system activity, initiating hunts and enriching indicators.
- Mar 2026Seed$7.4M
#9
Seed · San Francisco, California · founded 2024$9Mraised▾
Provider of digital identity verification using zero-knowledge cryptography for Web2/Web3. It offers tools for users to verify their identity attributes without exposing personal information. The company provides solutions for airdrop protection, social media, marketplaces, and sanction list checking. It supports biometric IDs and passports, enabling users to generate proofs.
- Nov 2025Seed$9M
#10
Series A · San Francisco, California · founded 2023$3.7Mraised▾
Provider of AI solutions for cybersecurity for voice and video communications. They combat vishing and identify deepfakes by securing live voice and video calls across platforms. They use real-time context analysis, deepfake detection, and just-in-time interventions to automate social engineering detection and response. Their platform works across Teams, Meet, Zoom, RingCentral, and more, offering customizable detection rules and policy mapping. They provide behavioral insights and reporting to uncover risks and blindspots in live human communication. They offer just-in-time security interventions to reinforce security training and policy. This is a B2B SaaS company that provides software using Artificial Intelligence to protect organizations from fraud, voice theft, and social engineering attacks in the communication space.
- Dec 2025Series A$3.7M
#11
Seed · San Francisco, California · founded 2024$2.1Mraised▾
Developer of decentralized computing platform for permissionless application deployment. The platform supports modular compute environments, cryptographic verification, and open access protocols. This enables developers and organizations to build scalable, secure, and censorship-resistant digital services. These services can be created without reliance on centralized cloud providers.
- Nov 2025Seed$2.1M
#12
Series A · San Francisco, California · founded 2020 · 18 employees$10Mraised▾
Provider of AI-based software solutions for security and surveillance. It provides users with a platform that uses computer vision to analyze camera footage to raise alerts in real-time. It also provides solutions for false alarms, tailgating detection, access control, video systems, camera tampering detection, and more.
- Mar 2025Series A$10.5M
- Apr 2023Series A$6M
- Nov 2021Seed$4M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Security & Surveillance Technology coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Cybersecurity is moving in the United States
A read on the academic research around Cybersecurity — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 3,240 United States-affiliated papers.
- Purdue University West Lafayette85
- Northeastern University82
- Film Independent58
- Georgia Institute of Technology46
- DEVCOM Army Research Laboratory41
- Intrusion detection system94→301
- Anomaly detection30→107
- Key (lock)11→84
- Internet of Things2→61
- Artificial neural network2→57
- Intrusion detection system97→202
- Artificial neural network3→47
- Anomaly detection25→61
- Internet of Things1→33
- Support vector machine8→38
- Key (lock)6→39
- Intrusion detection system13→45
- Exploit9→30
- Malware6→26
- Adversarial system1→19
Where cybersecurity is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing cybersecurity patents in the United States
United States cybersecurity patent filing is accelerating — 237,304 filings from 8,000 assignees (2016–2025), led by IBM, Microsoft, Intel; annual filings 18790→23467.
- IBM27110
- Microsoft22601
- Intel12666
- Google8565
- Qualcomm7612
- Apple6755
- Hewlett Packard Development5761
- Capital One Services4646