A to Z Firms
- Sackers
- Semple Fraser (in administration)
- SGH Martineau
- Shearman & Sterling
- Shepherd & Wedderburn
- Shoosmiths
- Simcocks
- Simpson Grierson
- Simpson Thacher & Bartlett
- SJ Berwin
- Skrine
- Slater & Gordon (formerly Russell Jones & Walker)
- Solomon Harris
- Sparke Helmore Lawyers
- Squire Sanders
- Stephenson Harwood
- Stewarts Law
- Sullivan & Cromwell
- Symantec
- Schellenberg Wittmer
- Serle Court
- Shakespeares (Shakespeares and Harvey Ingram)
- Shearn Delamore & Co
- Shin & Kim
- Sidley Austin
- Simmons & Simmons
- Simpson Millar
- Sintons
- Skadden Arps Slate Meagher & Flom
- Slater & Gordon
- Slaughter and May
- South Square
- Speechly Bircham
- Stankovic & Partners (NSTLAW)
- Stevens & Bolton
- Stone King
- SyCip Salazar Hernandez & Gatmaitan

