The owner of Landmark is Republican:
Mark Rountree a political consultant operating in the state of Georgia.
https://ballotpedia.org/Mark_Rountree
ANd Cygnal is also GOP run and contracted out:
They all over estimate repubs especially in the final week of an election creating a false sense of GOP momentum.
Yet another reason the aggregate polls aren't to be taken seriously.
18 to 26 yer olds and women come out to vote in significant numbers none of those polls will mean jack.