"has granted access to" is correct and usable in written English.
You can use this phrase to indicate that someone has given someone else permission to access something. For example, "The school has granted access to the library for all students."
For corporations, it has granted access to massively lucrative markets far and wide that would never have been accessible before.
Russia has granted access to the rail network; but it dates from tsarist times, and is showing its age.In this section Trading danger for captivity State of denial Bad or mad?
The residents say they are glad that their government has granted access to the United States, the former foe from the cold war, to carry the fight against the latest enemy.
Optimization of traditional replication-competent viral tracers has granted access to immediate synaptic partners of target neuronal populations, enabling the dissection of complex brain circuits into functional neural pathways.
He also announced (through a Facebook post, naturally) that the company would begin performing audits of third-party app developers and take steps to make it easier for users to know which apps Facebook has granted access to.
Myanmar's Government has granted access to the United Nations to use helicopters for delivering aid to those hit by last month's cyclone.
Sites such as mypermissions.org display the third parties to whom you've granted access to your Facebook and Twitter accounts.
The retailer said it had granted access to its corporate books to a number of other potential bidders, and that discussions were in progress.
To be sure, the rate of retirements may also depend on the price of natural gas, which is relatively cheap now, as new drilling technologies have granted access to vast new supplies.
Just over a week ago, the agency sent an e-mail warning employees that F.T.T. had granted access to the system to a subcontractor and a consultant without the S.E.C.'s authorization.
D'Antonio, a former reporter for Newsday and the author of 10 books, is the first writer to whom the O'Malley children have granted access to their father's archives.
