OFSI sanctions listing
MATSA (MOHANDESI TOSEH SOKHT ATOMI COMPANY)
MATSA (MOHANDESI TOSEH SOKHT ATOMI COMPANY) is an organisation designated on the HM Treasury — Office of Financial Sanctions Implementation (OFSI) (OFSI) sanctions list under the Iran (Nuclear) programme, listed on 02/12/2011. This page summarises the public designation — known aliases, identifying particulars, the stated reason for listing and linked parties — alongside an independent, transparent risk indicator.
Reason for listing
(UK Sanctions List Ref):INU0092. (UK Statement of Reasons):An Iranian company which has been contracted by UN designated Kalaye Electric Company to provide design and engineering services across the nuclear fuel cycle, including at Natanz Fuel Enrichment Plant. (Type of entity):Engineering
Statement of reasons as published by UK OFSI. This is the issuing authority's wording, reproduced for reference.
Designation record
| List / authority | UK OFSI (OFSI) — Iran (Nuclear) |
|---|---|
| Entity type | Organization |
| Programmes / regime | Iran (Nuclear) |
| Date listed | 02/12/2011 |
| Source record ID | ofsi:12260 |
| Last updated (our copy) | 2026-06-04 |
Identity & particulars
| Nationality / country | Iran |
|---|---|
| Address(es) | 90, Fathi Shaghaghi Street, Tehran · Iran |
Deep-research dossier
Not yet deep-researched
The instant review above is drawn from the public lists. A deep-research dossier goes much further — an analyst-grade OSINT report: associate & co-investment network screening, structural / ownership opacity, a dated risk trajectory, an 8-factor scoring model, and numbered, source-linked evidence. See the format in the design system.
Clarifications & right of reply
Are you MATSA (MOHANDESI TOSEH SOKHT ATOMI COMPANY), or an authorised representative?
You — or your counsel or agent — can file a clarification and supporting documents against this record. Filings are reviewed and verified before anything is published; submissions are never posted automatically.
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Source & provenance
| Issuing authority | HM Treasury — Office of Financial Sanctions Implementation (OFSI) |
|---|---|
| Source identifier | ofsi:12260 |
| Aggregated by | Sanctiometer (independent) — verify against the issuing authority's official list before acting. |