Making the Difference for our clients for over 19 years.

Recognized by Who's Who Legal and GAR 100 as a top International Expert Consultancy, Delta's multi-disciplined professionals in engineering, accounting, construction, and program management provide Delay Analysis, Damages Analysis, Project Advisory and Financial Advisory Services on complex projects throughout the world.

Delta is pleased to announce the opening of our new office in London, England. [More]

Delta's Featured Projects

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  • Bridges And Roads
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  • Commercial Damages
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  • Energy And Power
  • Environmental
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  • Government
  • Heavy Civil
  • International
  • Latin America
  • Loss Of Productivity
  • Oil And Gas
  • Project Advisory
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Delta has provided Consulting Services on
Projects in 40 Countries

Delta Map showing 40 countries

Working with clients in their own country and often in their own language, or from our offices in the U.S., our professionals have successfully completed assignments throughout the globe.

Meet Our Team

Peter Simpson

Peter SimpsonPeter Simpson, DipArb, MRICS, MCIOB, has over 40 years’ experience; initially with large civil engineering contractors and subsequently in a specialist consultancy. Peter has enviable knowledge of all aspects of construction disputes. He worked for Alfred McAlpine, Amec and Hochtief in the UK and Internationally before co-founding Simpson Lynch in 2000. Peter is active in commercial management and has considerable dispute resolution experience.

Other Delta Professionals