The phrase "also quite often" is correct and usable in written English.
It can be used to indicate that something occurs frequently in addition to other mentioned occurrences.
Example: "In addition to his regular meetings, he also quite often attends conferences to expand his network."
Alternatives: "frequently as well" or "often too".
They can also quite often afford to engage in market research and experimentation along multiple fronts.
But the problem is also, quite often, he is absolutely right, despite his pithy way of communicating.
Complicating matters, these substances are also quite often made in healthy tissues, so a positive test result doesn't absolutely mean a person actually has cancer.
It also quite often hears cases in which a federal law has been struck down as unconstitutional, but here the law was upheld.
A relentlessly fast and tactical enterprise, it is also quite often deafeningly loud, as the players' Mad Max-style reinforced wheelchairs clang into each other at high speed, occasionally pitching the occupant to the floor.
"Not only is this area supporting the bust, it is also quite often, in the summer, exposed to one of the most harmful influences to our skin - UV rays.
Toenails, too, quite often.
The whole point about his writing was that he quite frequently intensely disliked an exhibition of "traditional" art – often on the grounds of (ineptly) non-traditional curating, of which we've certainly had our fair share and then some – and that he also quite frequently liked more modern art, often completely unexpectedly.
But you'll also laugh quite often.
They also operate quite often in the area of humor that is currently known as "sick".
It also happened quite often that the sender or donor wished for various reasons to retain a record of the documents issued by him.
