top of page
D Parsons - Web Bio Photo - Full.jpeg

David Parsons

Commercial Partner

David is a highly successful Commercial Partner (non-lawyer) with an exceptional record of achieving exceptional commercial outcomes for financial services and defence suppliers for over two decades. His deep practical expertise in shaping negotiations, mastering technical detail, cost awareness, risk management, and dispute management make him an invaluable asset to any client. He provides trusted independent advice and immediately delivers value. 

  • 4093-200
  • LinkedIn

More about David

David is a confident and highly skilled professional who consistently delivers exceptional results. His formative career in technology evolved into a leadership role for Exchange Clearing House, the world’s FX multi-lateral settlement provider. Upon their merger and transition into CLS Services, he established and led a best-in-class Group Commercial function for the business. He oversaw multi-year, high-value procurement contracts, including large-scale outsourcing agreements. 

In 2010, David joined Deutsche Bank, and over the course of the following five years, he spearheaded the transformation of procurement practices and commercial management for multiple divisions, primarily in the Application Development and Infrastructure space with portfolios of up to $4BN TCV. Significant wins were achieved in quality, time-to-market, cost and transition risk management through his strategic input and operational subject-matter expertise on the most complex, high-value, high-risk procurement initiatives. 

Latterly, he spent three years with UBS, driving cost savings, efficiency and risk management of a CHF 1BN Application Delivery spend, spanning 8,500 external FTE, and subsequently assumed contract, commercial and relationship management responsibilities.    

Following UBS in 2018, David established Wilverley Consultancy Ltd, providing commercial advisory services to a top-tier global bank and a global IT supplier. He has delivered value by working on various large-scale agreements and initiatives. He consistently delivers above and beyond expectations with a calm, methodical, diplomatic and good-humoured approach. 

David has an enviable record of enhancing contract performance and driving value improvement, drawing on his deep expertise in the complete life cycle commercial management of significant technology-based outsourcing contracts. He has experience in complex application development and maintenance (AD&M) management, infrastructure (including cloud), managed services regulated operations, regulatory risk management, telecoms and networks. He has led complex, Board-level negotiations, including multi-country delivery, jurisdictional, tax and regulatory concerns.  

He holds a master’s degree in strategic procurement management, is an IACCM (CCMAP) member, and is an Associate of the Chartered Institute of Bankers.  


Examples of recent work include: 

  • Successfully negotiated as commercial lead significant technology infrastructure outsourcing deal for a defence supplier client. 

  • Delivery of dispute resolution of multi-million-pound technology claim and secured valuable extension whilst allowing relationship reset for a defence supplier client. 

  • Close commercial and technical management of technology programmes to avoid multi-million adverse impacts for a global financial client.  

  • Reduced complex IaaS / PaaS contract element cost claim from €75M to €20M and mitigated several multi-million supplier disputes to zero for a global financial client. 

bottom of page