The phrase 'as the go-to source' is correct and can be used in written English. You can use it to describe something as the primary source of information or expertise. For example, "She is well-known among professionals in the industry as the go-to source for the latest trends.".
The Journal has long differentiated itself from the competition as the go-to source for authoritative business-news reporting.
I speak with a lot of developers and it's consistently mentioned as the go-to source of location data for apps that need it.
"We have a huge opportunity in front of us as we solidify and build on our position as the go-to source for private company information".
We're also universally recognized as the go-to source for wealth creation, with 14 country lists and one world list that track who's worth what, how they made it and where they're spending it.
But McCabe warned against alienating the millions of young readers who still visit the NME website and see it as the go to source for indie music news.
Prove to your network why they should want to use you as the go to source for information.
That said, this new Radar Online will no doubt continue to serve as the go to source for all things massive, swollen, and distended.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK