The 12 European tech startups that are most likely to be worth $1 billion next

Founded: 2006

Founders: Andy McLoughlin and Alistair Mitchell.

HQ: London.

Funding to date: $89.2 million.

Huddle lets large agencies to share, save, and collaborate on documents online, and control who has access to them. Rather than competing with consumer-focused DrobBox, the company faces competition from legacy enterprise software such as Microsoft SharePoint, which companies have often been using for years.

Founded: 2010.

Founders: Magnus Nilsson, Jacob de Geer.

HQ: Stockholm.

Funding to date: $175.8 million.

iZettle's card reader plugs into a smartphone or tablet so that small businesses can take card payments more easily, and is now integrated into a complete point-of-sale solution with an app and sales overview tools.

Founded: 2012.

Founders: Sebastian Diemer, Alexander Graubner-Müller.

HQ: Hamburg.

Funding to date: $355 million.

Kreditech uses big data to create a credit rating for those with thin credit files — which could be those without bank accounts, students or migrants. The company uses around 20,000 data points establish whether the applicant is likely to pay back a loan, from parts of bank account statements to how they interact with soc. Its subsidiaries also provide financial services for the "unbanked".

Founded: 2009

Founders: Christophe Fourtet.

HQ: Labège, France, near Toulouse.

Founding to date: $151.3 million.

Sigfox is creating a low cost, alternative cellular network for the Internet of Things. This means that small connected objects can send small amounts of data to each other even with small batteries and cheap hardware.

The company's latest round of funding reached $115 million, making it the largest VC round in France to date. Samsung also just announced it was investing an undisclosed sum in the company.

Founded: 2007.

Founders: Eric Wahlforss, Alexander Ljung.

HQ: Berlin.

Funding to date: $123.3 million.

SoundCloud is a Swedish music streaming service that lets people upload and share songs. The company just made a royalty deal with music licensing company Merlin, which means the 20,000 independent labels Merlin looks after will start making money from the songs played on SoundCloud. Sony withdrew some big artists from the platform last month after a falling out over revenue, but GP Bullhound seems to think things are looking up for SoundCloud.

Founded: 2000.

Founders: Jitse Groen.

HQ: Netherlands.

Funding to date: $117.7 million.

Takeaway.com lets people order from their favourite restaurants online, and works with some big brands like Domino’s Pizza, Coca-Cola, Heineken and Ben & Jerry’s across. As well as the Netherlands, the site is active in the UK, Germany, Belgium, Austria, France, Switzerland and Denmark.

Founded: 2004.

Founders: Matthew Moulding.

HQ: Norwich, Cheshire, UK.

Funding to date: $21.6 million.

The Hut Group owns a collection of 16 websites including sports nutrition company MyProtein, music website Zavvi, cycling retailer ProBikeKit, and TheHut.com. It also powers online retail platforms for other companies like ASDA, Woolworths, Argos, Tesco and WHSmith.

Founded: 2009.

Founders: Gert Sylvest, Mikkel Brun, Christian Lanng.

HQ: Denmark.

Funding so far: $129 million.

Tradeshift lets businesses collaborate using a cloud platform to help sort out invoices between companies and make supply chain financing more efficient.

Founded: 2009

Founders: Nami Zarringhalam, Alan Mamedi.

HQ: Stockholm.

Funding to date: $80.1 million.

Truecaller is a mobile app that lets you see who is calling and block unwanted calls.

Founded: 2007

Founders: Peter H. Mühlmann.

HQ: Denmark.

Funding to date: $116.9 million.

Trustpilot lets consumers submit reviews of businesses, and builds a "TrustScore" based on recent reviews, allowing people who are considering purchasing a product or service to make an informed decision. Businesses can also use the platform to see how their customers see them.

Founded: 2010

Founders: Ismail Ahmed.

HQ: London.

Funding to date: $147.7 million.

WorldRemit lets migrants and expats send money home using a variety of pickup options, including mobile money, without the hidden fees charged by banks and other money transfer providers like Western Union.

The company raised a bumper $100 million round in February 2015.