Enterprise browser startup Island simply raised a large funding spherical — one which bumps up its valuation considerably, and fewer than one 12 months after its final fundraise.

Dallas-based Island raised $250 million in a Collection E spherical led by Coatue that valued the corporate at $4.85 billion, the startup announced today. This brings the corporate’s complete funding to $730 million. Different backers within the spherical embody Perception Companions, Sequoia, and Canapi Ventures, amongst others.

Island builds on-line browsers which might be designed for enterprises and are supposed to be safer than conventional business serps. Additionally they have common utility entry management, system visibility and administration, and utility automation, amongst different options.

This Collection E spherical marks a notable step up for the practically 5-year-old firm. It raised $175 million in a Series D round that valued the corporate at $2.9 billion simply 11 months in the past, co-led by Sequoia and Coatue.

On the time, Sequoia associate Doug Leone advised TechCrunch that he was interested in the corporate proper off the bat on account of Island’s staff and distinctive worth proposition.

“The 2 founders, one among whom was a technical founder out of Israel — Dan Amiga — and one who was a really senior safety govt out of the U.S. — Mike Fey — had a imaginative and prescient that in the event you might produce a browser based mostly on Chromium that appears like a normal browser to the patron worker in a company however was safe, it might cease dangerous guys from doing a complete bunch of issues,” Leone advised TechCrunch on the time.

Enterprises are clearly shopping for into the mission, too, as the corporate now counts 450 prospects, amongst them Mattress Agency, Swiss Life, and Fiverr.

TechCrunch reached out to Island for extra data.