PROFESSIONAL CAPABLE  RESPONSIVEFounded in 2000, Siefert Associates, LLC has steadily grown to be the Construction Engineering firm of choice by the leading contractors in the NYC Metropolitan Area and beyond. We have assembled a team of over 20 capable professionals dedicated to providing our clients with quality work on time at a reasonable cost.We are extremely proud of our client relationships and realize our success is based on their success. The collaborative, respectful rapport we've established, working together on numerous challenging projects, has resulted in a unique and dynamic synergy.We are defined and live by our Core Values of Honesty, Integrity and Balance between work and family. Our vast network of clients is by and large repeat customers that share these exact same values. As we continue to grow in a controlled and predictable manner, we intend on only deepening our knowledge in our specialty niche, and listening to our customers so we may be more responsive to their future needs.Siefert Associates takes great pride in clearly defining our specialty…Construction Engineering:To provide high quality solutions for engineering needs during construction phase operations, tailored to clients preferred means and methods, and project constraints, on complex and high profile projects, in the most expeditious and cost effective manner possible.​Our Engineers credentials include first hand on-site contracting field experience combined with highly regarded academic accomplishments. We are well versed with local contractor's construction practices and requirements of the NY Metro agencies. We recognize the importance of keeping up to date with the latest technology and innovations with our commitment to continuous training and education. We feel it is essential to not only participate in all major Professional Societies and Industry Groups, but to serve on committees and to assume other leadership roles.

Structural Engineering Engineered Lift Planning Geotechnical Engineering Support Services Construction Engineering Demolition Plans for Bridges & Buildings Erection Plans for Bridges & Buildings Accelerated Bridge Construction (ABC) Rigging Design & Analysis Temporary Support Services Temporary Trestles Permanent Design - Building & Bridge Connection Design Support of Excavation - Sheet Piling Solider Piling Soil Anchors Shotcrete Pile Foundations & Shallow Foundations Cofferdams 3rd Party Peer Review Field Inspections On-Site Engineering Construction Loading on Structures Structural Lifting - Bridge Jacking/ Bearing Replacement etc Rebar Cage Lifting & Handing Demolition Plans for Bridges & Buildings Erection Plans for Bridges & Buildings Rigging Design & Analysis Permanent Design - Building & Bridge Connection Design Pile Foundations & Shallow Foundations Rebar Cage Lifting & Handing Architecture Firm/Engineering Firm Engineering Services Civil Engineering