Diligence memo · auto-generated · as of July 2, 2026
Interface Security Systems Holdings Inc
Interface Security Systems Holdings Inc looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
Interface Security Systems Holdings Inc operates in Business Services, based in EARTH CITY.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Interface Security Systems Holdings Inc has raised $24M in disclosed capital across 2 recorded rounds, aggregated from public filings. Its latest round is modeled as Series B (a $15M–$40M round).
Largest single filing: $24M on 2010-05-05.
Most recent recorded round closed around 2010-05-05.
Valuation (modeled)modeled
Provath models Interface Security Systems Holdings Inc at approximately $545M (range $61M–$2.1B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 1.20× the median modeled value of Series B Business Services companies in 2010–2012 (20 peers) — value vs value, same stage and era. Within the normal band (120% of peer median) for its niche.
Financing rhythm & timingmixed
Last raise 16.2 yr ago; this sector typically re-raises about every 12 months.
Silent for over 3× the sector's normal cadence.
The last round was 224.4× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 91% of Business Services peers (2439 compared).
Modeled value ranks above 95% of those peers.
Closest niche peers: CEG Holdings, Inc., U.S. Security Associates, L.P., Factor Systems Inc, Display Works, LLC, Altisource Portfolio Solutions S.A..
Peoplefiled
12 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.