The Écomarché chain of supermarkets was developed in 1969 as well as created in 1986. At one point [when?] there were 330 rural stores in France. They were similar to Intermarché, however primarily on a smaller sized range than many supermarkets in France with a sales location between 400 as well as 1800 m ². The target of the Écomarché chain was to make up for the lack of local shops and also to concentrate after client treatment, attention to the item, quality, choice and the environment.

From 2009, the Écomarché chain came to be 2 brand names of the Intermarché, either Intermarché Call if smaller compared to 1,500 square meters or Intermarché Super if bigger. The other Écomarché stores in urban areas came to be Intermarché Express or Intermarché Super (if larger than 1,500 sq. meters).

Écomarché stores can be found in Belgium, Portugal and France, which all became Intermarché Contact or Express.

Established in 1969 as EX-SPOUSE Offices de distribution, the chain came to be Intermarché in 1973.

On 9 June 2009, Les Mousquetaires announced the expansion of the Intermarché brand to all their grocery subsidiaries, other than Netto. Currently Intermarché decline is based on the sales flooring, as well as its area.

The old supermarket owned by Les Mousquetaires under several brand names, along with the existing Intermarché stores have been divided into several groups:

Intermarché Hyper for the largest stores between 3,200 m2 and 6,000 m2
Intermarché Super around 2,000 m2, for most Intermarché shops
Intermarché Express corner store set up in town hall
Intermarché Call convenience stores in backwoods which mostly change Écomarché shops.

On the october, 8, 2014 ITM Intermarché as well as the Casino Group introduced an arrangement to rally their acquisitions together toward distributors in France. This partnership makes these two groups the initial retail buyer in the country with a market share of 25.8%.

Les Mousquetaires has Intermarché stores in Belgium and Portugal given that 1991, in Poland because 1997 as well as in Serbia along with Bosnia and Herzegovina and Romania because 1999.

However, Intermarché left the Romanian market in 2012 as a result of bad sales. It was called Interex (ro) in Romania.

In December 2014, all 24 Interex stores in Bosnia and Herzegovina were offered to Bingo. Additionally, it left Serbian market a year later, in 2015. Serbian Interex stores were offered to Aman.