"hereby invites" is correct and usable in written English.
You can use it when you wish to formally invite someone to do something. For example, "The company hereby invites you to attend the company meeting on Monday."
"You are hereby invited," he said, "to my execution".
You are hereby invited to gaze into the tea leaves and let the world know which way you reckon it's going to go.
Furthermore, we hereby invite all concerned countries, nearby and distant, to mediate between us and you, in order to reinstate the cease-fire that ended earlier this month.
(In Yorkshire, they call this doubt-inducing tactic an "upskittle," says previous #GBBO winner Nancy Birtwhistle, and you are hereby invited to deploy it or use the word in a sentence forthwith). Tiffany's intrigued, herb-wise.
"You are hereby invited to watch me face the firing squad," Pasternak is supposed to have said when he handed over his manuscript to be smuggled out of Russia.
Those of strong stomach are hereby invited to consider the following "news", in which the youthful sexual indiscretions of the talent behind Play Your Cards Right are at last laid bare.
Franklin had a different editorial policy: "I hereby invite all Men, who have Leisure, Inclination and Ability, to speak their Minds with Freedom, Sense and Moderation, and their Pieces shall be welcome to a Place in my Paper".
Listeners are hereby invited to ferret out Dylan's lyrical sources (is that line borrowed from Sir Walter Scott?) and speculate on its meaning (is it about religious fundamentalism? Dylan going electric?), but they should not overlook the musical pleasures, especially the superb vocal.
The overall winner will be announced at an event attended by Kathleen Jamie and Paul Farley in the Chapel of the Old Royal Naval College in Greenwich on November 8. Now, before reading the list that Magma's readers came up, I placed a small wager with myself that I could guess at least five of the poems on it, and I hereby invite you to do the same.
I hereby invite you and your team.
