Hundreds of firms will have to reapply to bear the royal crest in their products because when Queen Elizabeth II passed away, more than 600 Royal Warrants passed with her.
The distinctive image of the royal coat of arms depicts the lion of England, unicorn of Scotland and a shield divided into four quarters followed by the words “by appointment to Her Majesty the Queen”.
The 180 warrants Charles issued as Prince of Wales will continue now that he is King because they go with the household, not the title.
Firms are eligible for a Royal Warrant if they supply products or services on a regular and ongoing basis to the Royal Households for not less than five years out of the past seven.
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Around 30 Royal Warrants are granted a year, and the same number are withdrawn.
There are approximately 875 Royal Warrants at any one time, held by around 800 companies or individuals, but it changes almost monthly.
Which businesses were given the Queen’s royal warrant?
Coca-Cola's (KO) UK licensing of soft drinks maker Schweppes's products means it can technically claim two Royal Warrants, as Schweppes was granted one in 1836, while Coca-Cola has one of it own too.
Schweppes supplies the royal households with non-alcoholic mixers including tonic water, soda water and ginger beer.
Coca-Cola does not display the Royal Warrant on its products.
Cadbury was granted its first Royal Warrant in 1854.
It has been a holder of a Royal Warrant from Her Majesty The Queen since 1955.
She's believed to have enjoyed regular cups of cocoa, and it's said that the company produces a special batch of dark chocolate for the royal family every Christmas.
The iconic ketchup bottle, along with other Heinz (KHC) products, has displayed the Queen's coat of arms on its packaging for more than 70 years. This is because Heinz was issued with a royal warrant in 1951.
A Heinz spokeswoman said: “It’s been our highest honour to supply The Royal Households with Heinz products since 1951, and we sincerely hope to be able to continue doing so for many years to come.”
Fortnum & Mason
Retailer Fortnum & Mason is among those that proudly advertise the late monarch’s coveted coat of arms on their stores and packaging.
Often described as the Queen's favourite grocer, Fortnum & Mason has blacked out the windows and stopped its famous façade clock at its Piccadilly store to mark the Queen's death.
Twinings tea first received a royal warrant from Queen Victoria in 1837, and has held one ever since.
Queen Elizabeth II enjoyed a cup of Twinings English Breakfast tea every morning, and gave the brand her stamp of approval.
Twinings will need to reapply for a royal warrant to continue using the royal arms.
The first Waitrose store was opened in 1904 and has been suppling the royals for almost a century.
Waitrose holds a Royal Warrant as Grocer and Wine & Spirit Merchants to Her Majesty The Queen. It also held a Royal Warrant as Grocers to Her Majesty Queen Elizabeth The Queen Mother from 1994-2007.
In 1928 Waitrose was awarded a Royal Warrant by King George V to supply groceries and cleaning materials. The Windsor branch was awarded the warrant because it supplied Queen Mary with her favourite honey soap.
There are no fewer than seven champagne makers who have been given the seal of approval by the Queen's household.
Bollinger has held a royal warrant since 1884, when it was awarded by Queen Victoria.
Bollinger was served at the weddings of Prince Charles and his brother Prince Andrew.
A firm personal favourite of the Queen, according to friends of Her Majesty, a dry Martini has long been her regular evening aperitif.
The Martini brand was founded in 1863 in Turin. A century later it received its Royal Warrant, in 1962. It also holds the Spanish Royal Warrant.
Cartier has a long history of sales to royalty and celebrities and is referred to as "the jeweller of kings and the king of jewellers".
It was awarded a royal warrant in 1904 by King Edward VII following an order of 27 tiaras for his coronation two years earlier.
One of the most famous pieces of Cartier in Queen Elizabeth II’s jewellery box is the Halo tiara, purchased by King George VI as a gift for the Queen Mother in 1936. Gifted to the Queen as an 18th birthday present, over the years, the Queen has loaned the showpiece to Princess Margaret, Princess Anne and, most recently, the Duchess of Cambridge for her wedding to Prince William in 2011.
Victorian hotel The Goring is the only hotel to have been granted a Royal Warrant by the Queen, and is also London’s last family-owned five-star hotel.
The historic hotel, which is a short car drive away from Buckingham Palace, has enjoyed a special relationship with the royal family since it first opened in 1910.
The Queen Mother is said to have been a fan of a dish known as Eggs Drumkilbo — "a lobster and egg-based dish that remains one of the most popular dishes in The Dining Room".
In recently years, it famously housed Kate Middleton on the night before her wedding to William, now the Prince of Wales.
Other brands and food and drink firms who were granted warrants by the late Queen include Premier Foods (PFD.L), Unilever (ULVR.L), British Sugar, Britvic (BVIC.L), Dubonnet, Johnnie Walker, The Famous Grouse owner Matthew Gloag & Son, Gordon’s and Pimm’s.
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According to the Royal Warrant Holders Association (RWHA), warrants became void when the Queen died.
Its website states: “The Royal Household will review Warrant grants upon a change of the reigning Sovereign.”
However, it adds that “the company or individual may continue to use the Royal Arms in connection with the business for up to two years, provided there is no significant change within the company concerned”.