Delta is a Washington Post 2024 Top Workplace. Selection for this prestigious award is based solely on anonymous employee feedback that rated Delta on workplace culture, including employee connection and engagement, leadership, pay and benefits.
Lexology Index
15+ Delta experts have been recognized by Lexology Index (formerly Who’s Who Legal) as one of the foremost legal practitioners in their areas.
GAR (Global Arbitration Review)
The GAR 100 Expert Witness Power Index shows the value of a firm’s hearings, on average, how many hearings it took part in over two years, and how many members of the firm are good enough to be listed in the current Lexology Index (formerly Who’s Who Legal). These scores are combined into a ranking.
According to the GAR 100, 18th Edition 2025 Delta is 15th in the world on the GAR 100 Expert Witness Power Index.
According to the Expert Witness Power Index Report Delta is:
- 4th in the percentage of hearings involving construction
- 8th in the world for total number of construction hearings
- 15th among Firms Ranked by Average Claim Value
AACE International awarded Delta Consulting Group with the Industry Appreciation Award in July 2023. According to AACE, “Their commitment to providing cost-effective, quality work, fostering employee growth, and their invaluable support the profession sets them apart.” Delta is honored by the award and proud to be a part of AACE!
Delta Consulting Group is a Chartered Company Member of the Chartered Institute of Building (CIOB), the world’s largest and most influential professional body for construction management and leadership. Membership in the CIOB demonstrates that Delta is committed to the highest principles and standards. Delta is the first North American company to be admitted to the 191-year-old organization.
The Royal Institution of Chartered Surveyors (RICS) is a leading professional body working in the public interest to advance knowledge, uphold standards, and inspire current and future professionals. Delta Consulting Group Ltd, based in London, is a RICS regulated firm. RICS regulated firms adhere to high professional and ethical standards and are committed to continuous professional development.