What Our Customers Say

Customer Reviews

Our customer feedback

At Sigma Efficiency, we value and appreciate feedback from our customers. Some of our customers have been very kind in allowing us to publish their feedback on our website. We believe it is always good to hear what others have to say about their experience. Enjoy reading.


Pimkie is privately owned a fast fashion label and store chain for young women’s clothing with shops all across Europe and headquarters in Villeneuve-d’Ascq near Lille northern France.  Clothing design comes from the centers in Lille, Barcelona und Milan.

Pimkie operates over 700 stores in 30 countries (about half of them in France itself.)


The Range

A UK a multi-channel retailer selling products in the home, garden, and leisure categories, with 180 stores in the United Kingdom & Ireland. The Range sells a large assortment of diverse products. The confident marketing message of “If we don’t stock it you don’t need it” references their product range of over 65,000 products. The product groups are a combination of branded, non-branded, and own-branded goods across the home, garden and leisure categories.


This well known and colourful high street brand can be seen all across the UK. Claire’s is an American based retailer selling a large range of of accessories, jewellery, and toys. Its range is primarily aimed toward girls, tweens and teens. Claire’s has over 3,000 stores in 37 countries, over 1000 in Europe and 300+ franchised stores elsewhere in the world. This unique retailer is perhaps best know for ear piercings. They have carried out more ear piercings than any other retailer, loosing count at over over 90 million.


An amazing Dutch retailer is one of the fastest growing non-food discounters. They operate a simple and successful retail model focused on price and quality. With over 1100 stores across the Netherlands, Belgium, France, Germany, Luxembourg, Austria and Poland they are about leading on price and differentiating on surprise. Famous for surprisingly affordable everyday products, both A-brands and private label with over 6,000 different items in stores, complemented by an additional 150 new products every week. If you ever get the chance to visit a store its well worth it.

Robert Dyas

Robert Dyas are a UK retailer founded back in 1872 in London. They sell an extensive range of housewares, small electrical appliances, gardening products, kitchenware, DIY, and consumer electronics. Their range of products is described as being “from the everyday to the innovative”. With over 140 years experience there is little wonder that they pride themselves in their customer service. With over 90 stores in the South of England, mainly in Greater London and the South East, they also have a growing on online presence.

Single Resource

Single Resource is one of the UK’s leading and largest recruitment agencies supplying temporary workers nationwide. They provide an onsite managed service to some of the leading brands in the Food, Warehouse, Distribution and E-comm sectors. They are specialists in large scale volume recruitment, they prefer to operate as “strategic partners” with their clients. As a forward-thinking recruitment agency, they view their service through the “customer lens”. They invest in onsite management resources and constantly seek future technologies, innovation and developments to deliver even better value to their customers.

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