Zimmer Biomet's botched SAP rollout ended in a $172 million claim against Deloitte

On 4 September 2025 Zimmer Biomet, a publicly traded maker of orthopaedic and surgical devices, sued Deloitte Consulting LLP in New York Supreme Court for at least $172 million over a failed SAP S/4HANA implementation. It was a fight between a manufacturer and a consultancy over an enterprise software project that went badly wrong at the company whose products end up inside patients.

Zimmer Biomet alleged Deloitte won the project by falsely assuring it had the skills, methodology, tools and accelerators to deliver the new system within the agreed time and budget and with minimal customisation. Instead, the case alleged, the Deloitte team assigned to the job was unskilled and inexperienced, and it delivered an overly customised system riddled with defects and functionality gaps.

The bill was large. Zimmer Biomet said it paid Deloitte about $94 million for the failed implementation, then had to spend tens of millions more remediating the flawed system and recovering from the disruption to its operations and supply chain after the flawed go-live. The claims were fraud, breach of contract, negligent misrepresentation and violation of New York's deceptive trade practices act.

The case is a reminder that a failed enterprise-migration is not just a cost overrun — it is a legal liability. A consultancy that sells a smooth rollout and delivers a broken system can be taken to court for the difference, and at a medical device company the operational chaos had a direct bearing on patient-facing production.