Diligence memo · auto-generated · as of July 2, 2026
Boston Silicon Materials LLC
Boston Silicon Materials LLC looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
Boston Silicon Materials LLC operates in Manufacturing, based in BELMONT.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Boston Silicon Materials LLC has raised $1.3M in disclosed capital across 3 recorded rounds, aggregated from public filings. Its latest round is modeled as Pre-Seed (a round under $1.0M).
Largest single filing: $750K on 2009-06-01.
Most recent recorded round closed around 2011-11-04.
Valuation (modeled)modeled
Provath models Boston Silicon Materials LLC at approximately $6.9M (range $307K–$78M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 1.43× the median modeled value of Pre-Seed Manufacturing companies in 2010–2012 (240 peers) — value vs value, same stage and era. Within the normal band (143% of peer median) for its niche.
Financing rhythm & timingmixed
Historic cadence: a new round about every 15 months.
Last raise 14.7 yr ago; this sector typically re-raises about every 12 months.
Silent for over 3× the sector's normal cadence.
The last round stepped up 4.5× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 41% of Manufacturing peers (3257 compared).
Modeled value ranks above 38% of those peers.
Closest niche peers: Green Folks & MacLeod, Inc., American Nano Silicon Technologies, Inc., Dynamic Turbine Llc, Sajar Plastics, LLC, J.W.D. Machine, Inc..
Peoplefiled
3 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.