norm: graham sibbaldProfessional Services · GBno LEI · no CIKMax severity: Medium

Canonical registry

Graham + Sibbald

ent_a986fb5c2c96cc73fcb0b2e4

Graham + Sibbald is a UK-based firm of chartered surveyors and property consultants, specializing in sectors such as hotels, leisure, and licensed premises, offering services including building surveying, project management, and valuations.

AI-summarized from indexed web sources · United Kingdom · 2026-08-04 · source

Disclosures

Leak Site · 1 jurisdiction

Multi-filing incidents

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no multi-filing incident in sample

Max affected reported

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no filed count in sample

Leak-site claims

unverified actor claims

Identity resolution

Canonical name: Graham + Sibbald
Normalized: graham sibbald— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: No match
SEC EDGAR CIK: None — not an SEC registrant
Domain: g-s.co.uk

Unverified threat-actor claim — not a regulatory filing

Attribution, victim identity, and counts shown here derive from a threat actor's public extortion-blog claims, aggregated by ransomware.live. They have not been validated by the victim or any regulator. Treat them as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Disclosure history (1)newest first

GLOBALLeak Siteas victim2024-10-24
Graham + Sibbald is one of the UK’s leading property consultancy services. Our success is built upon how we deliver our service; it is a unique combination of being both professional and personable. Graham + Sibbald has a long-standing history of supporting and delivering community benefits. This ranges from offering work placements/shadowing experiences for secondary school children across our office network, working in partnership with local schools by surveyor participation and attendance at career fairs/ STEM practical workshops to supporting Modern and Graduate Apprentices through our dedicated Career Programmes.SITE: www.g-s.co.uk Address : 3 Charlotte Street, Perth Perthshire, PH1 5LW United KingdomTEL#: +44 1738 445733ALL DATA SIZE: ≈1.5tb 1. Personal documents Employees 2. Personal documents Clients 3. Financial data 4. Users data 5. Another Corporate data & etc...