Jack Dorsey’s Square has a plan to be profitable by 2015 and is already considering an IPO, according to the Wall Street Journal.

Square markets those small white add-ons that you can stick into any iPhone or iPad to instantly turn it into a cash register. They have been a huge hit with small businesses.

Square has been discussing a public stock sale with  Goldman Sachs and Morgan Stanley.

Founder Jack Dorsey owns 28.3% of Square, and his stake was already valued at well over $ 1 billion. In addition, as the founder of Twitter, he owns a stake in that company, too, which is about to become worth up to $ 679 million.

The WSJ also reported a bunch of financials for Square:

Square is growing nearly as fast as its soon-to-be-public sibling, with sales approaching $ 1 billion in 2014, according to an internal projection people familiar with the matter shared with the Wall Street Journal. That revenue represents what Square takes from the roughly $ 30 billion in total transactions it expects to process next year, before it passes much of that amount on to partnering credit card companies.

Sales will be about $ 550 million this year on total payment volume of around $ 20 billion, these people said. Roughly 70% to 80% of Square’s revenue gets kicked back to credit card companies, putting the company’s net revenue closer to $ 110 million to $ 165 million.

Though Dorsey has said publicly the company does not turn a profit, he’s internally discussed a plan that would make Square profitable in 2015, according to one person familiar with the matter.

Read the whole thing here.

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