For the joy of building together

A long-term vision

Build excellence.

A shared mission

Create and implement sustainable innovative solutions, in collaboration with trusted partners and our own strengths, to provide a positive rewarding experience for all stakeholders, at all stages.

Shared values

These are the values ​​that define us as a team and that guide us in our daily actions.



Because your project deserves our full attention, we always respect our commitments and our best practices, out of respect for our history, where we come from. It is with kindness and professionalism that we build lasting relationships.



Here, we work as a team and favor contacts. It is by promoting open communication and being available that we develop strong ties on a daily basis.



We want to inspire and positively influence the various players in our industry. We take matters into our own hands and set the pace in what we do. For us, this is the basis of innovation.



Since 1979, we have promoted the transmission of knowledge, while developing our skills. Demonstrating a critical spirit, we are always ready to offer simple and effective solutions.



At Construction Longer, we assume our decisions and are always concerned by the issues of the stakeholders. This is what guides us in our decision-making.


Social & environmental responsibility.

We want to set the pace for the environmental transition and participate in the life of our community. Here, we build sustainable living environments.


Individual and team fulfillment.

Our team is committed and dedicated. We collaborate with confidence and advocate global health for all.

Certified B Corp.

In 2023, Construction Longer achieved its B Corp certification. This certification allows us to bring to life different of our values ​​such as leadership and social and environmental responsibility. Above all, the B Corp certification allows us to achieve our mission and get closer to our vision to build excellence.

A sincere collaboration for over 40 years

The story of Construction Longer is one of teamwork. It’s been at the heart of everything we do since day one. We are efficient in the short term while thinking about the long term. Simply put, everything here is designed to last.

  • 1 January 1979 - 1979

    1 January 1979
    Mr. Jean-Paul Longchamps starts working for Gérard Allard inc. as a foreman.  Construction Gérard Allard is officially created. This makes us the oldest member of the ACQ Estrie still active as a general contractor.
  • 1 January 1981 - 1981

    1 January 1981
    A major institutional project is completed in 1981: the St-Elie d’Orford town hall and community center.

    The desire to diversify the services offered by the company has been present from the very beginning. Today, Construction Longer offers expertise in both public and private construction.
  • 1 February 1981 - 1981

    1 February 1981
    Mr. Jean-Paul Longchamps becomes a majority shareholder of Construction Gérard Allard and joins forces with Mr. Jean-Guy Auger
  • 1 January 1983 - 1983

    1 January 1983
    The company is carrying out its first major multi-unit project: a 126-unit building on D’Youville Street in Sherbrooke.
  • 1 February 1983 - 1983

    1 February 1983
    The company is rebranded as Construction Longer. This name is chosen by the two partners Mr. Jean-Paul Longchamps and Mr. Jean-Guy Auger. Mr. Luc Auclair joins the team as a surveyor. Did you know that Mr. Luc Auclair designed our logo? It represents a corner of a building. Its black foundation reflects the authority of Mr. Longchamps and Mr. Auger, while the red reflects Mr. Auclair’s more daring side.
  • 1 January 1984 - 1984

    1 January 1984
    This year, Construction Longer built its first office building for DULAMO.
  • 1 January 1986 - 1986

    1 January 1986
    In 1986, Construction Longer completed its first major commercial project, Andrew Paton Square, where Datoni’s restaurant had been for several years.
  • 1 January 1987 - 1987

    1 January 1987
    1987 is a very important year: the team completes its first major grocery store project, a Provigo. This project makes Construction Longer the oldest construction partner of Loblaws in Canada. We had the chance to build the first prototypes of the chain’s new concepts in 2011 when we built the first Provigo Le Marché in Quebec, in Sherbrooke.
  • 1 January 1992 - 1992

    1 January 1992
    A major period of economic recession sets in. This is when the management team at Construction Longer wants to invest in its own strengths. Working through our own strengths is an indisputable advantage that we can offer our team and our partners.



    Find out how we work through our own strengths.


  • 1 January 1994 - 1994

    1 January 1994
    At the time, the company was located in the basement of a bungalow, but it was expanding and had to move. The team moved to 175 Léger Street in Sherbrooke. Since its move, 3 major renovations have been done: one in 2001, one in 2015 and a more recent one in 2022.
  • 1 January 2000 - 2000

    1 January 2000
    Mr. Longchamps retires and hands over the presidency to Mr. Luc Auclair.
  • 1 January 2001 - 2001

    1 January 2001
    As the company grew and its team expanded, the first expansion project was launched.

    Did you know that our offices at 175 Léger Street have undergone 3 major expansions? The first in 2001, the second in 2015 and the most recent in 2022.
  • 1 January 2005 - 2005

    1 January 2005
    In 2005, Construction Longer opened a branch in Brossard to better meet the needs of its customers on Montreal’s South Shore. This branch operated from 2005 to 2012. Its objective was to serve the food market sector on Montreal’s South Shore.
  • 1 January 2007 - 2007

    1 January 2007
    At Construction Longer, we like to get involved with youth. We believe that everyone should have access to a quality education. Starting in 2007, the company decided to do more by offering more internships. Since then, the number of interns has steadily increased.

    Did you know that more than 10 members of our team began their careers at Construction Longer following an internship with us?
  • 1 January 2010 - 2010

    1 January 2010
    Construction Longer undertakes its first civil engineering project as a subcontractor. From 2010 onwards, our team develops its expertise in this sector.
  • 1 January 2011 - 2011

    1 January 2011
    We had the chance to build the first prototypes of new concepts for the Provigo chain. In 2011, we built the first Provigo Le Marché in Quebec, in Sherbrooke. Our relationship with the chain has been going on for several years.
  • 1 January 2012 - 2012

    1 January 2012
    A significant moment: Construction Longer builds its first bridge as a general contractor.
  • 1 January 2014 - 2014

    1 January 2014
    Construction Longer obtains its certification for the construction of complex structures. This certification allows it to bid on the construction of bridges considered complex (e.g., overpasses, multi-span bridges, etc.)
  • 1 January 2019 - 2019

    1 January 2019
    The company celebrates its 40th anniversary! On this occasion, Mr. Luc Auclair transfers the presidency to his son, Mr. Pierre-Luc Auclair. Pierre-Luc is accompanied by a management committee composed of:

    • Luc Auclair – Chairman of the Board and partner
    • Gabriel Forest, Eng, PMP – Executive and Building Director and partner
    • Julie Fouquet, Eng, PMP – Director of Organizational Development and partner
    • Rémi Bouchard, Eng. – Director of Civil Engineering and partner
    • Steven Chabot – Corporate and Service Director and partner
    • Tim Normandin, M.Sc, CPA, CGA – Director of Finance and partner
    • Sylvain Ouellette – Director of Site Operations and partner
    • Martin Fournier – Foreman and partner

    As of 2023, two new associates join the management team: Alexandre Gauthier, Eng. – Project Director, and Charles-Éric Dumas-Aubé, ing. PMP – Project director.

  • 1 January 2020 - 2020

    1 January 2020
    The Worksite Advisory Committee is created. This committee represents the site expertise of the company’s various sectors of activity and assists the company’s management with a field point of view.

    Working to our own strengths has been part of Construction Longer’s DNA since the very beginning.
  • 1 January 2022 - 2022

    1 January 2022
    Construction Longer wins its largest public tender ever, for the Pavillon de santé de précision et de recherche translationnelle, with the Sherbrooke University. The contract for Pavillon Z10 is signed for $52,584,000.
  • 1 January 2023 - 2023

    1 January 2023
    Construction Longer becomes the first general contractor in Quebec to be B Corp certified.

    Find out what B Corp means to us.
  • 1979
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Our corporate social responsibility

Our commitment to customers, employees and the community goes far beyond being good corporate citizens. We are truly committed to making a positive difference in people’s lives by creating lasting and authentic relationships. Then by reducing, reusing, recycling and adding value to our materials. Every day, we take concrete actions to ensure the sustainability of our company, the well-being of our employees and customers, and the sustainable development of our planet. Construction Longer is also involved in causes related to education and health.

We are proud to be part of the solution with commitments that improve lives.

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