Signing a Christmas card from a business is a great way to show your employees or customers that you care about them and value their contributions. Here are some common phrases to include: "Season's Greetings," "Best Wishes for a Happy New Year," "Thank you for your hard work this year," "We appreciate your dedication," "Happy Holidays," "Happy New Year," "Warm Wishes," "Best Wishes for a Joyous Holiday Season," "We look forward to working with you in the coming year."