Is Slim Chickens Halal? A Complete Guide to Halal Slim Chickens in the UK

Slim Chickens is a fast-growing American chicken restaurant chain that has rapidly expanded across the UK. Known for its buttermilk-marinated chicken tenders, wings, and a famous lineup of 17 house-made dipping sauces, it's become a go-to for chicken lovers. But the question many Muslims in the UK are asking is: is Slim Chickens Halal?

The Short Answer

Yes — the chicken at Slim Chickens UK is Halal. The Boparan Restaurant Group (BRG), which operates all Slim Chickens restaurants in the UK, has confirmed that Halal chicken is served across all UK branches.

Who Supplies the Chicken?

Slim Chickens sources its chicken from suppliers certified as Halal by the HFA (Halal Food Authority). The HFA is one of the UK's leading Halal certification bodies and certifies a wide range of food manufacturers and suppliers.

This means the chicken tenders, wings, and other chicken items on the menu are sourced from Halal-certified supply chains.

Important Things to Know

While the chicken itself is Halal, there are a few things to be aware of before you visit:

Pork is on the menu. Some menu items contain pork bacon. Slim Chickens has stated that they have segregation and separate cooking processes for pork products, and that pork items come pre-cooked to reduce cross-contamination risks.

Alcohol is served. Some Slim Chickens locations serve alcohol, which may be a consideration for some diners.

Not HMC certified. Slim Chickens is not certified by the Halal Monitoring Committee (HMC). If you follow HMC-only guidelines, this is worth noting. Their certification comes via the HFA.

Kitchens are not fully Halal-certified. While the chicken supply chain is Halal-certified, the individual restaurant kitchens do not hold a Halal kitchen certification. This is similar to other major chains like Nando's.

Where Can I Find Slim Chickens?

Slim Chickens has opened locations across the UK including London (Soho, Ealing, Bluewater, The O2), Birmingham (Grand Central), Brighton, Manchester (Trafford Centre), Cardiff, Belfast, Swansea, Colchester and more — with new stores opening regularly.

Full list of all Slim Chickens stores below. Last updated for 2026.