Equity Development Systems, Ltd.

Mr Steven N. Siegler, FRICS-EWAS, ASA-ARM Dispute Resolution Panel Services in U.S. / Americas

A Super Appraisers® Elite-Rated Firm.

RICS only Expert Witness Accreditation Service Certification in the Americas.

The Internationally-Recognized Brand for Excellence in Valuation and Appraisal Expert Witness Testimony and Distressed Asset Management, Dispositions, and Private-Equity Investing.

Type of surveyor

  • Chartered Valuation Surveyor

Works for

  • Residential customers
  • Commercial contracts

Surveying services

  • Building surveying
  • Business valuation
  • Commercial property
  • Contract administration
  • Contract management

Business type

Private Practice

Partners and Directors

  • Steven Siegler


  • English
  • Spanish


Expert Witness Commercial Property

  • Steven Siegler

Expert Witness Corporate and Personal Recovery

  • Steven Siegler

Expert Witness Environment

  • Steven Siegler

Expert Witness Plant and Machinery

  • Steven Siegler

Expert Witness Professional Negligence

  • Steven Siegler

Expert Witness Residential Valuation and Reports

  • Steven Siegler

Expert Witness Valuation

  • Steven Siegler

Expert Witness Valuation and Reports

  • Steven Siegler

Contact Equity Development Systems, Ltd.

Unregulated Firm
Firms that come under RICS regulation are easy to spot as they use the words 'Regulated by RICS' on their letterhead and other communication materials. Regulated firms must follow the RICS Rules of Conduct for Firms and are held to a higher standard in areas such as staff training, professional indemnity insurance, complaints handling and security of clients' money.


Washington, DC, 22202

Firms that are Regulated by RICS commit to the highest professional and ethical standards. In the rare cases where disciplinary action has been taken against a firm, records are published online.

If you cannot find the information you are looking for, please contact RICS Regulation at regulation@rics.org. Alternatively, if you wish to make a complaint, please contact complaints@rics.org.