Architectural project management, world class building supplies


Producer of

  • staircases

Each Marretti staircase links not just levels but also ways of being, ideas and dreams: it creates a dialogue between spaces by using the language of both technology and the imagination. And every project brings something new. Today’s challenge is to fly.

Residential Staircases

marretti usa spiral staircases and straight

Marretti’s has many different models to choose from for your residential staircase. We have created a line of staircases for every budget. From cost efficient models – our “FLO” Line. For medium to high end models – our “M16” line.

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Commercial Staircases

Marretti’s staircases for Commercial projects are engineered, completely custom made and created to comply with the International Builders Code (IBS) or any other US Building Code your staircase is required to follow.

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Exterior Staircases

For exterior railings and staircases we use marine grade stainless steel AISI 316. Marretti Stairs offers several models for every budget and preference from completely anti-slip frosted stratified glass steps, galvanized steel steps to Cor-Ten steel the choice is yours, we guarantee the highest quality materials to last in the elements for a very long time.

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Public Staircases

Marretti’s team closely works with architects and engineers in realizing the most beautiful designs for a public building staircase, making the staircase the greatest visual contributor to the space itself.

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