Over the past decade the Japanese delicacy, sushi, has soared to the top of foodie charts, boasting excellent health benefits and fashion etiquette. With the likes of Victoria Beckham stocking a fridge full of fish, and Kate Moss being snapped enjoying the sensational seafood in London's Soho, it's no surprise that Sushi is fast becoming the 'must-have' meal. I've chomped my way through shrimp and shrill to find you London's best Japanese restaurants.

Sumosan opened in Albemarle Street in May 2002 and has since become a favourite amongst Mayfair's executive elite. Head Chef Bubker Belkhit serves up exceptional food around the clock - the sushi and sashimi is some of the best to be found in London.

Sumosan, the contemporary Japanese concept, began in Moscow. Alexander Wolkow opened his first restaurant in the Radisson Slavjanskaya Hotel - The Mayfair branch is now run and owned by his daughter Janina. Sumosan prides itself on its exceptional food and efficient service. No compromises are made when it comes to sourcing the best produce and the raw ingredients are brought in from all over the world.

The restaurant décor is an aesthetic delight, planned with precision and class. Like the plate you'll find before you, each item is carefully chosen to compliment the rest.

Below the main restaurant you can find JBar, an intimate cocktail bar fitted with reclining seats to make you feel at ease. The bar is oh-so-cosmopolitan, with a neutral scheme showing off all its colour on the drinks menu! Sophisticated diners lounge with margaritas in hand and a side order of sushi, so it's easy to see why Sumosan is climbing up the A list.

For a more organic experience, Feng Sushi is for you. When it comes to ingredients, Feng Sushi lays its principles on a plate with only ethically agreeable food allowed near its kitchen and diners. With a modern and fashionably green approach to Japanese cuisine, Feng Sushi has created a menu in accordance with seasons and an environmentally conscious society.

For the last ten years Feng Sushi has been building up a reputable network of suppliers and only serves fish sourced on the North coast of Scotland and in Australia.

Feng Sushi has excelled in creating an authentic Japanese menu that places vegetables at its core. By only using ingredients found in the UK and Europe, Feng Sushi is able to change its menu according to the seasons ensuring everything is fresh. After all, fresh is best... especially when it comes to eating raw fish!

All of the packaging is biodegradable and the chopsticks are made using recycled bamboo. Feng Sushi goes that extra mile to make sure that the food tastes good but feels good too.

Situated in the heart of Portobello's eclectic mix of antiques, it's a great place to rest and refuel after a hard days shopping. Catering to loyal customers who have a passion for real food and a love of sushi, this venue has the feel of a micro society catering in accordance with the macro issue - our planet.

Francis Bentos is a London based editor with a passion for critiquing and reviewing restaurants. He regularly dines at many of the finest restaurants in London and throughout the UK, and is particularly knowledgeable on the UK restaurant industry. He is also a professional salsa dancer.

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