# Subsentio

> Subsentio, Inc. is the largest CALEA Trusted Third Party (TTP) in the United States — a 100% employee-owned compliance service bureau, founded in 2004, that operates lawful intercept, records production, and law-enforcement assistance for 300+ communications service providers (broadband, VoIP, LTE, satellite, wireless and circuit-switched), covering millions of subscribers. Lawful compliance is the company's only business.

Key facts:
- Largest CALEA Trusted Third Party in the U.S.; responsible for millions of subscribers, from national carriers to small rural providers.
- 100% employee-owned: founder Steve Bock transitioned the company to an Employee Stock Ownership Plan (ESOP) in September 2025.
- Founded 2004; acquired Neustar's lawful-intercept business in 2015.
- Operates the full obligation end to end: technical solution selection/deployment/certification, in-house legal review of every court order, law-enforcement liaison, and a 24/7/365 watch.
- Records Production team has processed 500,000+ legal demands (subpoenas, warrants, court orders, NSLs), with validation in the US, Belgium, Canada and Australia.
- Solutions conform to the industry "safe harbor" standards: ATIS IAS/T1.IAS (broadband), ATIS-678/T1.678 (VoIP), ATIS-1000069 (error & exception reporting), J-STD-025 A/B (wireline/wireless), 3GPP 33.108 (LTE/UMTS), PacketCable PKT-SP-ESP (cable), with full IPv6 support.
- Safe Harbor Probe capture configurations: 1G, 10G, 40G and 100Gb.
- Offices: 5200 DTC Parkway Suite 520, Greenwood Village, Colorado 80111 and 14900 Bogle Drive Suite 101, Chantilly, Virginia 20151.
- Sales & general inquiries: customer.care@subsentio.com · 303.794.6936 (8:30–5:00 Mountain, Mon–Fri; same number after hours).
- Intercept court orders: courtorders@subsentio.com · fax 866.217.4097. Records requests (subpoenas/court orders/search warrants): rp@subsentio.com · fax 703.953.3643. 24-hour phone & emergencies: 877.510.4357.

## Services

- [Technical Solutions](https://www.subsentio.com/solutions/): Safe Harbor Probe (passive, out-of-line, 1G–100Gb), Safe Harbor Intercept (Verint STAR-GATE mediation), SHIM (VoIP on Sonus/Ribbon), Hosted CALEA Compliance (sProbe/vProbe), Harbor Master (outsourced compliance management), Compliance Analysis (Pen-Link validation testing).
- [Records Production](https://www.subsentio.com/records-production/): legal-demand review, validation and response; Legal Demand Tracker® cloud case management; DMCA takedown records production.
- [International Operations](https://www.subsentio.com/international/): lawful intercept, records production and data-retention services for providers operating outside the U.S.
- [CALEA Affairs](https://www.subsentio.com/calea-affairs/): plain-English resources on CALEA, the safe-harbor technical standards, federal/state surveillance statutes, and hosted primary documents (CALEA Act of 1994, FCC orders, ECPA).

## Company

- [About Subsentio](https://www.subsentio.com/about/): history, employee ownership, leadership team.
- [Contact / Sales Inquiry](https://www.subsentio.com/about/contact/): sales inquiries, 24/7 court-order notification channels.

## Commentary

- [Blog](https://www.subsentio.com/blog/): 60+ plain-English government-affairs commentaries on lawful surveillance, CALEA compliance, encryption debates, records production and subscriber privacy.
- [RSS feed](https://www.subsentio.com/rss.xml)
- [Press releases](https://www.subsentio.com/ssio_pr/): 60 company announcements 2012–2020, incl. the Neustar lawful-intercept acquisition (2015) and the founder-led leveraged buyout (2020).
- [The Subsentio Wire](https://www.subsentio.com/ssio_newsletters/): quarterly newsletter archive, 2015–2026.
- Whitepapers under /ssio_whitepapers/: going dark, EU v. Patriot Act, international data retention, ISP crime-scene response.

## Full LLM context

See https://www.subsentio.com/llms-full.txt for detailed FAQ-style information.