For each brand, the annual average satisfaction index (IS) was calculated by adding up the monthly values (to the third decimal point) and dividing the total by the number of months with a calculated satisfaction index. The final result was rounded to the first decimal point.
The winning brands in each category needed to achieve a minimum IS value of 70 out of 100.
Only brands that received complaints in the year 2024 were considered.
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Score of selected hypermarkets in Portugal 2024, by satisfaction index
In 2024, Auchan was the most popular hypermarket in Portugal, obtaining an average satisfaction index of **** points out of a maximum of ***. Continente ranked second, with **** points.
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Consumer Guidance Institute Portugal. (June 17, 2025). Score of selected hypermarkets in Portugal in 2024, by average satisfaction index [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 22, 2026, from /statistics/1334924/portugal-preferred-hypermarkets/
Consumer Guidance Institute Portugal. "Score of selected hypermarkets in Portugal in 2024, by average satisfaction index." Chart. June 17, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 22, 2026. /statistics/1334924/portugal-preferred-hypermarkets/
Consumer Guidance Institute Portugal. (2025). Score of selected hypermarkets in Portugal in 2024, by average satisfaction index. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 22, 2026. /statistics/1334924/portugal-preferred-hypermarkets/
Consumer Guidance Institute Portugal. "Score of Selected Hypermarkets in Portugal in 2024, by Average Satisfaction Index." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 17 Jun 2025, /statistics/1334924/portugal-preferred-hypermarkets/
Consumer Guidance Institute Portugal, Score of selected hypermarkets in Portugal in 2024, by average satisfaction index ÌÇÐÄÆƽâ°æ, /statistics/1334924/portugal-preferred-hypermarkets/ (last visited July 22, 2026)
Score of selected hypermarkets in Portugal in 2024, by average satisfaction index [Graph], Consumer Guidance Institute Portugal, June 17, 2025. [Online]. Available: /statistics/1334924/portugal-preferred-hypermarkets/
