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The company

ALGIMOUSS, specialist in cleaning, treatment and protection products

Inventor of the first anti-green-deposit treatment in 1978, we develop chemical solutions that act against the proliferation of parasitic vegetation while extending the lifespan of your home’s materials.

Our history

Establishement of the company

1976

Founded under the name PREMAC.

Inventor of the first anti-green-deposit treatment

1978

In 1978, the company launched Algimouss, the first treatment to combat green deposits and lichens that invade roofs, façades, and terraces.

Launch of the Algimouss Approved Applicators program

1998

To reward and promote applicators using its products, Algimouss launched the Algimouss Approved Applicators program.

PREMAC becomes ALGIMOUSS

2001

With growing success, the company adopted the product’s name. Since 2001, the company has been known as ALGIMOUSS by professionals, the general public, and our distributors.

Introduction of a professional range

2005

Creation of the Algipro range for professionals. This range offers products and packaging tailored to professional needs.

Building reputation through sports sponsorship

2008

The taste for challenge and competition is an integral part of the company’s values! We chose sports to grow our brand recognition, first by partnering with the Vendée Globe, then by supporting major regional teams: SCO d’Angers and CB Cholet.

A new, modern factory

2013

ALGIMOUSS has been renewed by relocating to La Séguinière, where we established a new factory equipped with storage space and an automated production line. Our new facility also features a modern R&D laboratory dedicated to the development of innovative products.

Regulatory change

2017

Due to the reclassification of “anti-moss” products as plant protection products, the use of the terms “anti-moss” or “moss remover” on our biocidal products is no longer permitted. For this reason, we have adopted the term “curative and preventive treatment” for our treatment range.

A new plant-based biocide

2018

Our R&D laboratory has developed a new formula for Algimouss, our flagship product, by adding a plant-based biocide to better meet our customers’ expectations.

Change of visual identity

2019

A modern new logo is introduced to refresh the Algimouss brand. Meanwhile, new communication materials are developed to make our product range easier to understand (cleaners, treatments, protection products and equipment).

Change of Shareholders

2021

In December, Algimouss undergoes a shareholder transition, integrating Sodero Gestion’s “Transmettre et Pérenniser II” fund as majority shareholder, alongside the Industrial, Sales and Administrative directors.

Launch of the Algi-Vert range

2022

Algimouss expands its offering by creating a new range: Algi-Vert. Designed to meet evolving customer expectations, this new range includes a cleaner, a treatment product, and a protection product.

Inventor of the first biocide-free treatment

2025

In March, Algimouss introduced to his customers, both professional and individuals, a revolutionary product: the Biocide-Free Treatment.

Algimouss joins a new business group.

2025

In July, Algimouss announces its alignment with PRB, the french subsidiary of the Holcim Group. For both PRB and Algimouss, this partnership strengthens their joint position as leading reference for all types of construction projects, both new builds and renovations.

ALGIMOUSS,
French company


Algimouss is a French company based in La Séguinière, near Cholet in the Maine-et-Loire department.

With 50 years of experience in the exterior maintenance of buildings, our mission is to design solutions that are increasingly easy to use and environmentally respectful.

We are proud to uphold the French expertise: 90% of our production is carried out in France. This organisational model gives us full control over product quality by testing our entire production, while ensuring a high level of responsiveness for our customers.

Thanks to your trust and commitment, we promote the “Made in France” spirit by exporting across Europe to Belgium, Luxembourg, Switzerland, Spain, Italy, Portugal and we plan to expand soon into the United Kingdom.

Our ambition: minimizing our environmental impact


From the very beginning, Algimouss has formulated its products with the environment at the heart of its priorities. We are therefore committed to lowering the concentration of hazardous raw materials in our solutions and to using additives that help optimise their performance.

In addition, we prohibit the use of chlorine because of its harmful effects on wildlife and vegetation, as well as its corrosive impact on materials.

Finally, we have permanently removed solvents from all our formulations. Our solvent-based formulas have been replaced with water-based alternatives, while ensuring that their performance remains equivalent.

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