"is to handle" is a perfectly correct phrase to use in written English.
It can be used when you are discussing a responsibility or task; for example, you could say "My job is to handle customer complaints."
DDB is to handle the Carefree line of gums, including Carefree Coolers, and Ogilvy is to handle the Ice Breakers lines of gums and mints.
"The real challenge is to handle, understand and use big sources of data," Mr. Lemnios said.
"Zal's job is to handle a transition in which the Iraqis are increasingly in charge.
Another important point here is to handle the fish as little as possible.
Microsoft has a team of a dozen people whose sole responsibility is to handle technology transfer.
These are organizations and consultants whose sole or primary responsibility is to handle marketing functions.
Ofcom's job is to handle complaints about programme standards, unfair treatment and invasions of privacy.
What is important, though, is to handle things in the right way.
The trick in these matters is to handle things delicately, with smooth words and manner.
Deutsche Bank is to handle the sale, which is still subject to appoval by the courts.
His job is to handle the sign-up sheet for court time and to sweep the huge puddles off the court after a rainstorm.
