expertise for buildings of all types

STRUCTURAL
DESIGN

Full range of investigative and analytical solutions. 

DEMOLITION
ENGINEERING

Means and methods, Site Safety & Fence Plans.

SPECIAL
INSPECTIONS

NYC accredited Class 1     Inspection Agency.        

CONCRETE
TESTING

Concrete testing at every stage of your project.   

about us

More than 15 years of experience

H&O Engineering is a Design Professional Corporation originally established in 2014 by Santiago Helman. H&O specializes in demolition work, structural design and Concrete Testing.

experience & technology

In house concrete Testing Laboratory

Our staff of engineers and laboratory technicians will perform required inspections, collect testing samples and produce reports following all ASTM/AASHTO standards and local regulations.

experience to be trusted

Accreditations & Certifications

let's connect

get in touch

info@hando-eng.com

We reply within 24 hours

Have any questions?

+1 347 639 0669

Office hours

Mon-Fri, 8.30am until 5.30pm