Best Investigation Services Companies in United States
The 282 best Investigation Services companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: TNG.
Want to know which Investigation Services companies in the United States are actually backed by real capital? This page ranks 282 of them by disclosed equity funding and recent momentum, so you can cut straight to the firms that matter.
$43M in total disclosed funding across the directory tells a story of a fragmented sector, no unicorns, with TNG leading at $10M and JSG close behind at $9M. And the funding isn't just sitting still. Median install growth across 81 security and investigations apps is running at roughly +22% year-over-year, which I'd call a quiet signal that demand is genuinely accelerating. Hot themes right now include misconduct investigations and election official misconduct coverage, two areas where the regulatory and reputational stakes are high enough that clients don't shop on price alone. Blockchain-based investigation tools are also pulling in new enterprise buyers, widening the addressable market for firms that can credibly offer digital-asset tracing alongside traditional investigative work. So if you're evaluating partners or tracking where the capital is flowing, the directory below gives you the clearest picture available.
Ranked: Best Investigation Services companies in United States
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | TNG Provider of risk management and compliance solutions for educational and workplace settings | $10M | 80 mo ago | Funding Raised | — | 2000 | WordPressApple iCloud MailMicrosoft 365+33 | — | 1 internship |
| 2 | JSG Provider of fraud investigation, assest searches, and surveillance services | $9M | 49 mo ago | Seed | Tyler James Co-Founder | 2015 | Squarespace CommerceCart FunctionalitySquarespace+18 | 31 patents Advanced prosthetic limb interfaces and neuromodulation systems for amputee rehabilitation | — |
| 3 | UnitedLex Provider of legal data analytics, management, and advisory solutions | $6M | 179 mo ago | Acquired | Daniel Reed Founder & CEO | 2006 | WordPressApple iCloud MailMicrosoft 365+28 | 23 patents AI-driven legal document analytics, metadata storage, and email analysis on enterprise data lakes | — |
| 4 | Multitude Insights Provider of investigation services | $5M | 3 mo ago | Series A | Akihiko Izu Co-Founder | 2021 | — | — | 1 job opening · 1 launch · 1 partnership |
| 5 | BreachQuest Provider of security and investigation services | $4M | 57 mo ago | Acquired | Shaun Gordon Co-Founder & CEO | 2021 | — | — | — |
| 6 | Collaborative Testing Services Provider of interlaboratory testing and assurance services for industrial and forensic proficiency testing… | $4M | 32 mo ago | Series A | — | 1978 | PHPApache HTTP ServerModernizr+2 | — | — |
| 7 | Social Links Software developer for open-source intelligence investigations, empowering investigators and security… | $3M | 8 mo ago | Seed | Ivan Shkvarun Co-Founder | 2015 | Cart FunctionalityGhostNode.js+26 | — | — |
| 8 | OPTiMO-IT Provider of IT solutions including design, development, cloud, and data | $350K | 139 mo ago | Seed | Michael Miguelez CEO & President | 2008 | — | — | 1 launch |
| 9 | S4 Worldwide Offers security systems for industrial use | $250K | 166 mo ago | Seed | Paul Soult Founder and CEO | 2010 | — | 88 patents Immigration visa processing and monetization platform for economic development | — |
Top 12 Investigation Services companies in United States
#1
Series A · Cambridge, Massachusetts · founded 2021 · 10 employees$5.4Mraised▾
Provider of investigation services
- Feb 2026Series A$10M
- May 2024Series A—
- Mar 2024Series A$5.4M
- Mar 2022Seed$50K
#2
Seed · New York City, New York · founded 2015 · 1 employees$3Mraised▾
Social Links is a leading OSINT software developer that provides tools for open-source intelligence investigations. They empower investigators and security professionals with ground-breaking tools for collecting and analyzing data from social media, databases, darknet, blockchain, and more.
- Oct 2025Seed$3M
#3
Series A · Sterling, Virginia · founded 1978$3.7Mraised▾
Provider of interlaboratory testing and assurance services for industrial and forensic proficiency testing needs.
#4
Seed · Seal Beach, California · founded 2015 · 9 employees$9.5Mraised▾
Provider of fraud investigation, assest searches, and surveillance services
- May 2022Seed—
- Sep 2015Grant (prize money)$9.5M
#5
Funding Raised · Berwyn, Pennsylvania · founded 2000 · 181 employees$10Mraised▾
Provider of risk management and compliance solutions for educational and workplace settings. It offers consulting services to improve safety, including Title IX compliance, behavioral intervention, and threat assessment. The company also provides interim staffing, external investigations, and expert witness services. Training and certification programs are available in Title IX and behavioral intervention. Additionally, it offers a wraparound solution for complaint resolution and custom consulting packages to address specific client needs. Its services aim to mitigate risk, enhance safety, and ensure compliance with relevant regulations.
- Oct 2019Conventional Debt$10M
#6
Acquired · Dallas, Texas · founded 2021 · 14 employees$4.4Mraised▾
Provider of security and investigation services
- Aug 2021Seed$4.4M
#7
Acquired · Overland Park, Kansas · founded 2006 · 304 employees$6Mraised▾
Provider of legal data analytics, management, and advisory solutions. The company offers services for litigation, investigations, eDiscovery, intellectual property, and legal operations. These services include patent search and analytics, portfolio optimization, contract solutions, and incident response. The company also provides AI advisory solutions and serves industries such as automotive, financial services, and insurance.
- Jun 2011Series C—
- Jul 2008Series B$6M
- 2007Series A—
#8
Seed · Bloomsburg, Pennsylvania · founded 2008 · 80 employees$350Kraised▾
Provider of IT solutions including design, development, cloud, and data. The company delivers application development, system modernization, and business process automation. It offers services such as user experience design, cloud strategy implementation, and data management. The company also provides emerging technologies, design concepts, and pilot programs.
- Nov 2014Seed$350K
#9
Seed · Doylestown, Pennsylvania · founded 2010 · 4 employees$250Kraised▾
Developer of mobile-based situational awareness technologies intended to provide protection against intrusions, theft, and vandalism. The company gathers video, audio, and sensor data from remote sites using environmentally friendly, solar and wind-powered trailer-mounted systems and presents it to users through a secure website and onto their laptops, tablets, or smartphones, enabling clients to get public safety security and surveillance products with both fixed and mobile real-time situational awareness.
- Aug 2012Seed$250K
#10
Funding Raised · Owings Mills, Maryland · founded 2015 · 14 employees$88.3Kraised▾
Developer of advanced technology for digital forensics, computer security and cyber defense designed to be used by the federal government, academia and commercial sector to protect valuable data and networks. The company through the power of science, its solutions include anonymous internet, airborne cyber defense, media exploitation, as well as research and development.
- Jun 2017Grant (prize money)$88.3K
#11
Seed · Los Angeles, California · founded 2007 · 48 employees—raised▾
Provider of video management systems
- Jun 2025Seed—
#12
Seed · Peoria, Arizona · founded 2018—raised▾
Provider of diversified management consulting and investigation services
- Aug 2022Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Investigation Services coverage by sub-theme.
Regulatory-risk over time flat
Funding & growth over time
funding flat · growth flat
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.