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Microsoft 365 Copilot

#2 in General AI Assistants for FirmsPrice: ~$30/user/month (reported)partial (some facts from third-party reports)

AdvisorAIStack Score

81.5/100

Visit Microsoft 365 Copilot ↗

Works inside your Microsoft tenant with Purview controls, the default for M365 firms.

Score breakdown

Capability & output quality for the professional task (25%)

8/10

Security, privacy & compliance (SOC 2, data use, recordkeeping, regulator fit) (20%)

9/10

Ease of use & time to value (15%)

8/10

Integrations with professional systems (tax engines, ledgers, CRMs, AMS) (15%)

9/10

Value & pricing transparency (15%)

6/10

Vendor momentum & reliability (10%)

9/10

Key facts

Tenant-bound data with Purview controls

Before you upload client data: ask the vendor for its current SOC 2 report (or equivalent), data-retention and model-training terms, and confirm the tool fits your obligations (for example IRC §7216 consent for tax-return information, SEC/FINRA recordkeeping, and state insurance rules).

Details

Official site	https://www.microsoft.com/microsoft-365/copilot
Starting price	~$30/user/month (reported) (check the vendor's page; prices change often)
Affiliate program	nothing found; not confirmed absent · No public affiliate or referral program found in research.
Verification	partial (some facts from third-party reports)
Last reviewed	2026-10-16

Sources

www.microsoft.com https://www.microsoft.com/microsoft-365/copilot

Scores are editorial and come from desk research. See our methodology and disclosures.