The Marylebone restaurant, which launched in May last year, is believed to have shut in January.
Bossa’s Instagram page has been removed and it is no longer possible to make a reservation via the restaurant’s website.
However, on Google the restaurant is only listed as ‘temporarily closed’.
Restaurant understands that the restaurant’s owners may be preparing to relaunch the site under a new name and concept that’s potentially linked to Moroto, the underground lounge and bar located beneath Bossa, which continues to operate.
When it launched, Bossa was billed as a being a ‘culmination’ of Landgraf’s 20+ years of experience in restaurants.
The chef cut his teeth in London working for the likes of Gordon Ramsay and Tom Aikens, and currently operates the two Michelin-starred Oteque in Rio de Janeiro.
Bossa’s menu was described as a ‘vivid and contemporary’ exploration of Brazilian cuisine and featured dishes including skewered duck hearts with farofa; and roasted scallops with leeks, toasted buckwheat and tucupi sauce.
The 60-cover dining room featured an open-plan kitchen with dining counter alongside banquette and bar seating, a bar woodwork, and large windows for natural light.