Slalom

Seattle-founded consultancy and one of the most awarded AWS consulting partners

Overview

Slalom is a privately held business and technology consultancy founded in 2001 and headquartered in Seattle; in May 2022 it reported about 12,500 employees.[6] It has been a member of the AWS Partner Network since 2010 and is an AWS Premier Tier Services Partner.[5]

At the AWS Partner Awards announced at re:Invent in December 2025, Slalom won four categories, including global consulting awards for retail and consumer packaged goods and for travel and hospitality, and was a finalist in nine others, among them migration and generative AI. It reports 54 offices in 12 countries. Slalom also runs Google Cloud and Microsoft practices, but no top-tier status on those platforms was confirmed for this list.[5]

Slalom strengths and limitations

Strengths

  • Thirteen AWS Partner Award placings (four wins) in a single year
  • Broad local office network across North America, Europe and Asia-Pacific

Limitations

  • No top-tier Microsoft or Google Cloud status confirmed from a primary source
  • Most recent published headcount dates from 2022

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