Our mission


Your goals are our mission: we ask the right questions and tailor a solution that works for you long-term

Unlock Value

We turn sustainability into brand and operational value; our clients include Fortune 100 corporations, unicorn startups, and global NGOs

Strategy + Science

We pair our strategy consulting and marketing backgrounds with sustainability science; founded in 2013 out of The Earth Institute at Columbia University

Industries Served

Third Partners advises organizations across a variety of industries, growth phases, and organization types.


Hospitals & Healthcare

Financial Services


NGOs & UN Agencies



Food Manufacturing

Breweries & Wineries

Education & Universities


Building Products

Client organization types include:

  • Fortune 500 corporations
  • Private or family-owned businesses
  • Growth-stage startups
  • "Unicorn" startups valued over $1B
  • Global NGOs
  • Major non-profits

Projects Completed

Below is a list of select projects we've completed to-date. Note: most client names must be kept confidential.


Client Type

Client Engagement

Financial Services Fortune 500 Greenhouse gas emissions (carbon / GHG) goal-setting and a five-year plan to achieve carbon neutrality for a major global financial services firm
Hospitals & Healthcare Non-profit Materiality Assessment for a major New York hospital and cancer treatment and research center
Media $1B Startup Green building design and advisory for 60,000 square foot buildout in Brooklyn, NY
Hospitals & Healthcare Non-profit WELL Building Standard consulting: occupant survey for major office renovation
Breweries & Wineries Family-owned Business Renewable energy opportunity assessment for a winery in upstate New York
Apparel Growth-state startup Advisory and assurance for a leading climate justice initiative developed by a startup fashion brand
Hospitals & Healthcare Non-profit Project management of PEER Platinum certification for a major hospital campus in New York City
NGOs & UN Agencies Global NGO Global GHG emissions inventory of Scopes 1, 2, and Scope 3 category 6 for a major UN organization
Food Manufacturing Growth-state startup Validation and assurance of the Life Cycle Assessment processes and environmental claims communications advisory for a fast-growing plant-based food manufacturer
Building Products Privately held Sustainability reporting and communications for a leading building products manufacturer
CPG $1B Startup Materiality Assessment, strategic advisory and sustainability program roadmap for a leading environmentally-focused CPG brand
Education and Universities Non-profit Applied life cycle analysis training for staff and sustainability faculty at a leading Big Ten university
Financial Services Fortune 500 WELL Building Standard advisory for interior design and wayfinding for a 160,000 square foot buildout for a major global insurance company
Breweries & Wineries Privately held Green building and sustainability advisory for a 75,000 square foot brewery and restaurant project in Brooklyn, NY
Media $1B Startup Custom off-grid solar-powered conference table for staff to use on a leading media company's green roof
Apparel Fortune 500 Develop global green building standards guide for manufacturing, office, and distribution center facilities for a multinational apparel corporation
Media $1B Startup Strategic advisory and sustainability program development plan for a major media company
Hospitals & Healthcare Non-profit Organic waste disposal advisory for a leading New Jersey hospital campus
Breweries & Wineries Privately-held Monthly sustainability and energy advisory to a green team at a leading craft brewery

Third Partners is a full service sustainability and green design consultancy headquartered in New York City.

Contact us today to discuss your goals, or learn more about our additional services at the links below.