Companies that have established specific paid vacations provide a subsidy with a 10,000 yen upper limit.
「独自の有給休暇設置企業に日額上限1万円の助成金を支給」は英語で「Companies that have established specific paid vacations provide a subsidy with a 10,000 yen upper limit.」と言います。「有給休暇」は英語で「paid vacation」か「paid leave」どちらでも言えます。「助成金」は「subsidy」か「allowance」と言います。