Is Igor Olegovich Kostyukov on a sanctions list?
Yes. Igor Olegovich Kostyukov appears on the UK Sanctions List maintained by UK Foreign, Commonwealth & Development Office (UK). Listed on 12/31/2020.
Igor Olegovich Kostyukov, given his senior leadership role as First Deputy Head of the GRU (a.k.a. GU) at that time, is responsible for the possession, transport and use in Salisbury during the weekend of 4 March 2018 of the toxic nerve agent “Novichok” by officers from the GRU. — The Director Disqualification Sanction was imposed on 09/04/2025.
What does inclusion on UK-HMT mean?
Inclusion on the UK Sanctions List, published by the FCDO and enforced by OFSI, means UK persons are required to freeze the listed party's assets and refrain from making funds or economic resources available, under the Sanctions and Anti-Money Laundering Act 2018.
This explainer is informational only, is not legal advice, and does not describe the full scope of any restriction. Always verify against the primary source and consult qualified counsel.
Frequently asked
- Is Igor Olegovich Kostyukov on a sanctions list?
- Yes — indexed by Kleerance as appearing on the UK Sanctions List published by UK Foreign, Commonwealth & Development Office. Always confirm against the primary source before acting.
- How current is this record?
- Kleerance re-checks the source every six hours. This page reflects the most recent ingested version of the list. The publishing authority's listing date on record is 12/31/2020.
- Where can I verify this record?
- Directly at the publishing authority: https://sanctionslist.fcdo.gov.uk/docs/UK-Sanctions-List.xml.