Sia Partners
AI-first global management consulting, with end-to-end cybersecurity and resilience services.
France
- Founded1999
- Headcount1,001 to 5,000
What this listing assures you
How QSECDEF membership works →- TrainingTeam members take part in continuous training and skills updates with our team.
- VettedWe have high confidence in this team's capabilities and skills base.
- Provable claimsCommitment to transparent and technically correct communications to customers.
- QSECDEF ContributorCommunity contributor and presenter.
- Membership CharterHas signed the Members' Charter, committing to fair and transparent business practices.
- LeadershipAttends the QSECDEF Annual Symposium.
About Sia Partners
Sia was founded in 1999 and today has more than 3,000 consultants in 48 offices across 19 countries, with a client base of 1,000 blue chip and big tech companies. It describes itself as born digital, augmented by data science and AI, enhanced by creativity and driven by responsibility, taking organisations through the whole transformation: strategy, deployment, enablement, adoption and culture.
The firm positions itself as AI-first. Its Strategy and Management consulting is amplified by a Data & AI practice, by Forward Deployed Engineers who work embedded with client teams, and by an Agent Store offering more than 1,000 production-ready agents. Sia Reg AI is its regulatory intelligence product.
Cybersecurity & AI Trust is one of Sia's service lines, covering cyber risk, cyber strategy, cyber compliance, cyber operations, resilience and the Sia Cyber Institute. Published credentials include NYDFS Part 500 programme management, SWIFT Customer Security Controls Framework assessments, FedLine security assessments, penetration testing, incident response tabletop exercises and awareness programmes, mostly for US branches of global banks.
Reviewed 30 October 2026 Source: sia-partners.com/en/about-us/our-vision/vision-and-mission
What they offer
Cyber Risk
Risk-driven management: cyber risk analyses, supplier security controls, third-party risk management and quantitative risk analytics.
sia-partners.comCyber Strategy
Target operating models, vendor selection and regulatory programme management, including NYDFS Part 500 compliance.
sia-partners.comCyber Compliance
Gap assessments against frameworks such as the SWIFT Customer Security Controls Framework and FedLine security requirements.
sia-partners.comCyber Operations
Security tool deployment, vulnerability scanning and penetration testing with a globally distributed team.
sia-partners.comCyber Resilience
Incident response plan testing and tabletop exercises using the SANS Incident Response Lifecycle, with after-action reports.
sia-partners.comSia Cyber Institute
Cybersecurity awareness programmes, including phishing and vishing exercises and training.
sia-partners.comWho they work with
Case studies
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US branch of a global bank
NYDFS Part 500 cybersecurity programme management, with a gap report and prioritised remediation that supported the client's annual attestation.
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US branch of a global bank
SWIFT Customer Security Controls Framework gap assessment across four US locations, with control testing and recommendations.
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US branches of a global bank
FedLine security assessment at the New York, Chicago and Los Angeles branches identified six inconsistent processes and produced a scored remediation plan.
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US global agri-chemical company
Ransomware tabletop exercise for US and Brazil offices testing the cyber incident response plan, with an after-action report.
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US branch of a global bank
Cybersecurity awareness programme with monthly phishing and vishing exercises; clicks on phishing tests fell from 30 to 3 in two months.
Proof
People
Leadership as listed on sia-partners.com/en/about-us/our-organization/governance, checked 30 October 2026
Jobs
