Simpson Thacher & Bartlett LLP vs. Sidley Austin LLP
Side-by-side on the metrics that actually drive the student's call. Sources: Vault 2027, AmLaw 200 FY2025, and reported Chambers records from the years shown.
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Est. 1884
Simpson Thacher & Bartlett LLP is a 2,000-plus-attorney global firm, Vault #10 / AmLaw #10. Jurisdiction-specific Chambers rankings include Band 1 in Asset Management M&A, Banking & Finance, and Capital Markets: Debt & Equity. Operates from 15 offices worldwide.
Est. 1866 · Chicago
Sidley Austin LLP is a 2,000-plus-attorney global firm, Vault #11 / AmLaw #6, founded in Chicago, IL. Jurisdiction-specific Chambers rankings include Band 1 in Accountant and Auditor Liability, Banking & Finance, and Capital Markets: Securitization: ABS.
- Vault rank
- #10
- AmLaw rank
- #10
- Reported Chambers Band 1 records
- 22 records
- Vault rank
- #11
- AmLaw rank
- #6
- Reported Chambers Band 1 records
- 29 records
- First-year comp
- $225,000+
- Profits per partner
- $8.57M
- Firm revenue
- $3.55B
- Revenue per lawyer
- $2.02M
- First-year comp
- $225,000+
- Profits per partner
- $5.97M
- Firm revenue
- $3.74B
- Revenue per lawyer
- $1.83M
- Billable target
- -
- Partnership track
- -
- US associates per partner
- 3:1
- Firm size (rounded to 50)
- ~2,000
- Offices
- 15
- Billable target
- 2,000
- Partnership track
- -
- US associates per partner
- 1.9:1
- Firm size (rounded to 50)
- ~2,300
- Offices
- 20
- Offer rate
- -
- Class size
- 265 (year not confirmed)
- How associates get work
- Centralized staffing
- Specific practice area
- No
- Offer rate
- -
- Class size
- 198 (year not confirmed)
- How associates get work
- Free market
- Specific practice area
- Case by Case
Shared results are listed once. Green marks only a lower reported Chambers band for the same exact practice, market and year. Records with a missing year or market are not compared. Historical records are retained; individual ranking verification status is not available.
Shared rankings
Rank differences
Firm-only and additional rankings remain available on each firm profile so missing coverage is not mistaken for a head-to-head loss.
Data sources: Vault 2027, AmLaw 200 FY2025, and reported Chambers records from the years shown. Chambers record counts can span years and reporting coverage varies; missing years or markets are not compared. Current Chambers bands were checked against each firm’s Chambers profile on Sep 26, 2026; where Chambers splits a table, every Elite firm ranks above every Highly Regarded firm. Missing values shown as “-”.
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Firm data comes from each firm’s own publications, Chambers USA and Vault; see Simpson Thacher & Bartlett and Sidley Austin for sources and dates.