Efficiency Pays.

Always Has. Always Will.


Square Feet Managed



Assets Under Management



Saved Operating Costs



Achieved ENERGY STAR Partners of the Year



Energy Consumption Reductions


Our Business Case Approach

Sustainable and efficient operations are a competitive advantage. Corporate Sustainability Strategies works with clients to strategically leverage the value of sustainability. By designing and implementing cost effective sustainability strategies, we help you drive enhanced financial returns.


lower costs

high performance operations

increase profits

gain competitive advantage

Our Focus

National multi-sector real estate leaders use CSS to deliver expert sustainability strategy development and execution plans that enable improved financial and environmental performance.

News & Events

The Real Deal: Why an Authentic ESG Reporting Strategy Matters

The Real Deal: Why an Authentic ESG Reporting Strategy Matters

Historically, Environmental, Social and Governance (ESG) goals reflected a company’s public relations strategy, primarily driven by investor demands and not central to the success of their business and brand. Those days may be fast disappearing as resident and...

Energy Manager Summit: Take Your Assets to Peak Efficiency

Energy Manager Summit: Take Your Assets to Peak Efficiency

An event for leading facilities management professionals, the goal of the event is to help make your facilities more energy efficient, effective and improve your company's bottom line. We are excited to announce Brenna Walraven, President and CEO, for Corporate...


Catherine Lai, CEO, Albest International Limited

A very engaging presentation from Brenna Walraven that highlighted the importance of a strategic approach to the business case for sustainability and high performance operations. Very informative and insightful!”


Bunnie Willis, RPA Regional Property Manager, Patrinely Group

“For those of us lucky enough to have heard you present before, I believe it was a real treat for BOMA Southern Region Conference attendees to hear and see you. You’re such a natural speaker and always deliver pertinent and timely information. We’ve heard really positive feedback about your presentation.”

Our Commitment to Industry

CSS proudly supports the following industry organizations.

Real Estate Roundtable Logo
ULI logo
International WELL Building Institute logo
Better Buildings Logo

Ready to strategically leverage the value of sustainability?

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