|Tier 1 - US: San Francisco/Silicon Valley|
|Fenwick & West|
|Tier 2 - US: San Francisco/Silicon Valley|
|Morgan, Lewis & Bockius|
|Skadden, Arps, Slate, Meagher & Flom|
|Wilson Sonsini Goodrich & Rosati|
|Tier 3 - US: San Francisco/Silicon Valley|
|McDermott Will & Emery|
|Morrison & Foerster|
|Orrick, Herrington & Sutcliffe|
|Tier 4 - US: San Francisco/Silicon Valley|
|Alvarez & Marsal, Taxand USA|
|Pillsbury Winthrop Shaw Pittman|
Wilson Sonsini Goodrich & Rosati's tax practice handles federal, state, and international tax matters for technology, life sciences, and growth enterprises. It also assists clients in M&A, domestic and international transactions, management and leveraged buyouts, corporate restructurings, spinoffs, recapitalisations and joint ventures.
Ivan Humphreys is a tax partner at the firm. He represents clients in transactional matters, including domestic and cross-border M&A, dispositions, spin-offs, restructurings, financings, and the formation of partnerships and limited liability companies. Gregory Broome is a partner in the San Francisco office, his practice focuses on partnership and corporate taxation matters, including M&A, initial public offerings, renewable energy, project development and finance.