Closed-Loop Methodology

Protect your waste eco-system with Cass waste expense management closed-loop methodology

Tight cost controls and processes start with the invoice

Cass processes over 240,000 invoices daily by capturing and analyzing complex billing information from multiple vendors into a single data repository. Our years of experience has led us to develop a systematic approach to invoice processing. Using the Cass Closed-Loop Methodology we can mitigate risks around escalating costs and identify inaccuracies and inefficiencies around your organizations waste and recycling.


Closed-Loop Methodology

Our closed-loop methodology consists of seven pillars that provide visibility, transparency, and tight financial controls around your waste eco-system. Any business wishing to maintain or improve upon operational efficiencies and waste expense should consider Cass, the leader in waste expense management.

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Sourcing & Procurement

We employ a proprietary knowledge-based sourcing and procurement system that delivers quality results through contract assessment, service optimization and value-based negotiations that are geo-specific to the most qualified vendor.

Invoice Processing

We systematically capture, process and analyze complex billing from multiple sources and provide you with key data and metrics.

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Invoice Audit & Optimization

Using the WasteVision™ platform in conjunction with WasteVision Analytics, we can detect discrepancies, recover costs, and identify areas for improvement around waste expense management.

Bill Payment

Our proven proprietary methods ensure your bills are error-free and paid on time, safeguarding against any disruptions in service.


Customer Support

We provide an unmatched response time on the most critical service issues your site managers are confronted with daily. Our team expedites and simplifies the process, saving you time and resources.

Vendor Management

We work with a dedicated network of waste service partners at the local, regional and national level. Cass maintains, non-compensatory, strategic and tactical relationships with our clients interest top-of-mind. We manage day-to-day service requests, recover errors, ensure credits are applied and negotiate client-centric contracts.


WasteVision Analytics

Through shared data access, you’ll have direct insight into all waste related costs, usage and market pricing. Cass provides complete transparency and visibility across your entire waste eco-system – from the site level to each inventory line item.

Ready for Better?

If you’re looking to take advantage of simplified waste expense management for your organization, then it’s time to talk to the experts.

Contact Us