The phrase "as it already does" is correct and usable in written English.
You can use it to indicate that something is currently functioning or operating in a certain way.
Example: "The system is designed to improve efficiency, as it already does in other departments."
Alternatives: "as it currently does" or "as it is already doing".
One of the leading carriers, AT&T, announced that, henceforth, it was introducing monthly data caps on subscribers using its fixed-line connections (as it already does with its mobile services).
Barclays is considering guaranteeing a living wage to workers worldwide, as it already does for its employees and contract workers in the U.K., where the bank is headquartered.
Someday, Schultz said, the company may offer La Boulange products in supermarkets and other non-Starbucks stores, much as it already does with its K-Cup and Via coffee packets and its ice cream.
But if Congress refuses to do so, the Clinton administration says it will still support China's entry, while invoking a waiver from its WTO obligations towards it (as it already does with Cuba).
Climate change will exacerbate, as it already does, the world's existing political and economic divisions.
In that case, the subsidy will come, as it already does to some extent, from the next generation of taxpayers.
Between May and September, Norway's state oil agency will be mapping the seabed outside the archipelago in search of hydrocarbon deposits, as it already did in 2008.
By now, I expect "Mad Men" to confound me, as it already did with a couple of inexplicable plots this season (Glen Bettyy? Glen and Betty? What?
If Athens fails to pay — as it already did with a loan from the International Monetary Fund last week — and bank coffers are empty, Greece could be forced to introduce a parallel currency and eventually quit the Eurozone.
As far as Heron's concerned, it already does.
As he knows, it already does: his co-stars include Argentinian Marianela Nuñez and Australian Leanne Benjamin, who recently retired from The Royal Ballet.
