
About W bertolo
Located in the central region of the state of São Paulo, W Bertolo is a family-owned business, with more than 30 years of history. With a large and modern structure, it operates in the manufacturing of Aluminium / Fiberglass ladders and stepladders.
The company has its own laboratory for full quality control and a qualified team of engineers, specialized technicians, and skilled managers.
All products are manufactured using, as reference, parameters and tests established in ABNT-NBR 16308/2014 and ANSI 14.5/1992 standards.
Over the years, our company has been able to adapt to new technologies and the needs of our customers. In order to keep up with market trends, we have not only developed our industrial and management processes but also invested in digital resources to be closer to ours partners.
Our timeline
Foundation of W Bertolo
The company was founded by the three brothers William, Wilton and Wellington. They combined their management and engineering skills to launch a business making wooden ladders and stepladders.
Fiberglass ladders
Start production of aluminum and fiberglass ladders and stepladders. These ladders have become the company’s flagship product.
Headquarters Restructuring
The restructuring of the headquarters and the modernization of the industrial equipments and logistics center.
Social and Environmental Projects
Implementation of socio-environmental projects with different partners.
Present at international fairs
Present at international fairs, such as Feicon, in Sao Paulo, and Construsul, in Novo Hamburgo.
Digital Presence
W Bertolo keeps expanding its range of products and enhances its digital presence, through its website, social medias and digital marketing campaigns. Your feedback helps us to continually evolve our performance.
Start of manufacture of aluminum ladders / 5S Lean Methodology
The start of manufacturing and commercialization of aluminium ladders and stepladders.
Implementation of the 5S methodology.
Solar panels
Launching of the Premium Line ladders and stepladders.
Expansion of its production capacity with power efficiency considerations: W Bertolo now uses 100% of electric power from renewable sources (solar power).
Certified by ISO 9001:2015
Process of implementation and certification of the quality management system. W Bertolo is certified by ISO 9001: 2015. The negotiations and the export process of the stairs begin
The begining of export
Advancement of ladders export to South America and ISO 45001: 2018 Implementation Process.
New Distribution Center
We relocated our Distribution Center to a company-owned facility in Mairiporã – SP, with 2,700 m² dedicated to inventory. Our manufacturing area also expanded to 11,200 m², increasing our production capacity. This year, we introduced new products, including the Profile Protective Cover.
Expanded International Reach
We advanced our sustainability efforts by expanding our energy park with the installation of photovoltaic panels. We also broadened our international reach, exporting ladders across South America and beginning prospecting in other continents.
Investiments on the Industry
We invested in a new manufacturing area and acquired state-of-the-art equipment to enhance our production line. Among the year’s highlights is the launch of the Ladder Side Stabilizer, reinforcing our commitment to innovation and safety.
Our products

Open D-Rung Extension Ladder

Premium Triple Platform Aluminium/Fiber Ladder

Premium Platform Aluminium/Fiber Ladder

Platform Aluminium/Fiber Ladder

Extension Stepladder

Double-Sided Stepladder

Double-Sided Stepladder Premium

Profile Protective Cover

Riveted D-Rung Extension Ladder

Insulated Riveted D-Rung Extension Ladder

Open D-Rung Straight Ladder

Aluminium platform ladder with hand railing

Riveted D-Rung Straight Ladder

Insulated Riveted D-Rung Straight Ladder

Stepladder

Double-Sided Stepladder

Open D-Rung Straight Ladder

Open D-Rung Extension Ladder

Platform aluminium ladder NR 12

Step Stool

Eyelet

Iron Hook Mooring

Top Ladder Stabiliser Bar

Ladder Stabiliser Bar

M-Shape Iron Accessory with Anti-Slip Feet

M-Shape Iron Accessory

Ladder Leveler

Aluminium Pulley

Nylon Pulley

Anti-Slip Articulate Feet

Anti-Slip Feet Stabilizer Bar

Anti-Slip Feet – Premium Line

Back Anti-Slip Feet for Stepladders

Rubber Anti-Slip Feet for Stepladders

Rubber Feet for Professional Single and Two-Sections Ladders

End caps for Professional Extension Ladders

End Caps for Professional Stepladders

End Caps for Two-Sections Extension Stepladders

Guides for Extension Ladders

Stepladder’s Top

Top for Double-Sided Stepladder

Top for 3-Rungs Stepladders

Aluminum Ratchet Spring – Professional / Premium

Tongue for Rung Lock

Spreader

Aluminium Bracket

Hinge

Fiberglass D-Rung

Flat Type D-Rung

Rope

Nylon Strap

Rubber Pole Strap

Premium Aluminium Ratchet

Nylon Ratchet

Aluminium Ratchet

Pennant W Bertolo

Step Stool

D-Rung Double-Sided Stepladder

Double-Sided Stepladder

Stepladder

Straight Ladder

Extension Ladder

Extension Stepladder

Our main customers
















Quality Policy
W Bertolo respects national and international quality standards. Parameters and tests established in the Brazilian standard ABNT NBR 16308 and in the American standard ANSI A 14.5 are used as a reference.
