The SIA is consistently at the service of its members, representing their interests and assisting them with advice on their day-to-day work.

SIA-Norm continuously reviews, revises and updates the widely applied body of standards and supplies information about their application. 

SIA-Service offers the latest information tailored to corporate members‘ needs together with high-quality services in the areas of Human Resources, Finance, Organization, Marketing, Acquisitions, Contracts and Legal Affairs. 

SIA-Form is the SIA‘s varied and coordinated ongoing education program offered to engineers and architects. This program is flanked by subject-specific information and advanced training events staged by the SIA‘s specialist associations, sections and committees which are open to its members.

The lawyers in SIA-Ius are available to offer legal information, especially on questions of construction law, procurement, copyright, labor law, social insurance law and unfair competition.