OFSI sanctions listing
Sergey Viktorovich CHEMEZOV
Sergey Viktorovich CHEMEZOV is an individual designated on the HM Treasury — Office of Financial Sanctions Implementation (OFSI) (OFSI) sanctions list under the Russia programme, listed on 12/09/2014. Chair of the Rostec conglomerate. This page summarises the public designation — known aliases, Russia nationality, identifying particulars, the stated reason for listing and linked parties — alongside an independent, transparent risk indicator.
Reason for listing
(UK Sanctions List Ref):RUS0088. Financial sanctions imposed in addition to an asset freeze: Trust services. Date trust services sanctions imposed: 21/03/2023. (UK Statement of Reasons):Sergey Chemezov is one of President Putin's known close associates. His close links to Russia’s President have led to him being appointed to a range of senior positions in state-controlled firms, including as CEO of the state technology holding company ‘Rostec’. He chairs the Rostec conglomerate, the leading Russian state-controlled defence and industrial manufacturing corporation. Prior to this, Chemezov headed Rosoboronexport, a subsidiary of Rostec. Under the direction of Chemezov, Rosoboronexport supported the integration of Crimean defence companies into Russia’s defence industry. Through this action Chemezov been involved in activities and the supply of goods and technology that has undermined the territorial integrity, sovereignty and independence of Ukraine. (Gender):Male
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) — Russia |
|---|---|
| Entity type | Person |
| Programmes / regime | Russia |
| Date listed | 12/09/2014 |
| Source record ID | ofsi:13115 |
| Last updated (our copy) | 2026-06-04 |
Identity & particulars
| Position / role | Chair of the Rostec conglomerate |
|---|---|
| Date of birth | 20/08/1952 |
| Place of birth | Irkutsk Oblast, Russia |
| Nationality / country | Russia |
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
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Source & provenance
| Issuing authority | HM Treasury — Office of Financial Sanctions Implementation (OFSI) |
|---|---|
| Source identifier | ofsi:13115 |
| Aggregated by | Sanctiometer (independent) — verify against the issuing authority's official list before acting. |