join the social impact movement using commercial real estate to change the world! seam is an purpose-driven, membership-based nonprofit organization that created the seam rating system and is responsible for maintaining it. all donations support seam operations, research and development of the seam standards, and education on social sustainability.
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We are a US 501(c)(3) nonprofit organization, EIN 84-5054317. All contributions are tax deductible. No goods or services will be provided in exchange for the contribution.