Historic

1982

It is the beginning of activities, as a services unit of Mills, specializing in assembly of scaffolding for access in the offshore and industrial areas of which it will become specialist and leader.

1990

In this decade, the unit is expanded to offer industrial painting and thermal insulation services.

2000

The field leadership is consolidated with projects such as the assembly of the heliport structure of petrobras’ P16 platform and the renewal of scaffolding contracts with Aracruz Celulose.

2009

Launch of Habitat in partnership with the company Safehouse – pressurized cabin that offers safety for performing hot jobs such as welding, cutting and greasing.

2013

The Industrial Services unit is sold to a Private Equity (FIP) investment fund, managed by Leblon Equities, and is now called Mills| Si during the transition to the new brand.

2014

Launch of Web Deck™, a suspended platform system of ideal work for bridges and viaducts and offshore environment.

2016

A Mills|Si changes its name and becomes PRINER, acting on two fronts: Priner Industrial Services and Priner Rental.

2017

Starts the M&A phase with the companies ISOLAFÁCIL and SMARTCOAT Engenharia em Revestimentos.

In November, Priner is listed on B3 in the BOVESPA+ segment.

2020

IPO (Ipo of Initial Shares) at B3 – Priner becomes the 143rd company listed in the Novo Mercado, a segment that requires the adoption of the highest corporate governance practices, transparency and access to information by investors.

Between September and October Priner acquires 8% more from Smartcoat, 49% from R&R Isolafácil and 100% from Poliend, starting the expansion of services in the industrial inspection area.

2021

Acquires 16.7% of Smartcoat’s share capital (totaling 100%). On November 18, it holds the event “Priner Day: Vision 2026 – Where we are, where we are going”, presenting the Group’s strategic pillars, business and ambitions.

2022

Acquisition of 100% of the company Brito&Kerche Inspeções S.A., a move that expands the number of services offered in Integrity Engineering and Inspection.

Acquisition of 51% of Construdora Gmaia as a business expansion in the Infrastructure segment.

2023

In January, Grupo Priner announces the acquisition of the company “Soegeo Soluções em Engenharia Geotécnica”, through its subsidiary “Construtora gmaia” in the equivalent of 100% of the quotas representing its share capital, further consolidating the Infrastructure business unit.

In February, Priner acquires 100% of the shares representing the companies “Labteste Análises e Ensaios de Materiais Metálicos” and “Tresca Engenharia e Integridade”.

In September, Priner acquires 100% of the shares representing the company “Semar Inspeções”, reaffirming our objective of grouping the best integrity engineering and inspection companies in the country.

2024

In June 2024, the Company acquired 100% of the share capital of Welding Inspeções, Engenharia e Análise de Materiais Ltda., dedicated to excellence in materials engineering through technical inspection services, computational modeling, and laboratory testing.

In September 2024, following approval from CADE and the Shareholders’ Assembly, the operation was completed, and the Company announced the successful acquisition of 100% of the share capital of Real Estruturas e Construções Ltda. This alliance will not only solidify our presence in the national market but also expand our opportunities for growth and innovation.

1982
1990
2000
2009
2013
2014
2016
2017
2020
2021
2022
2023
2024