WorkVenture gives you an inside look at what it's like to work at United Design Since 1974 Co., Ltd., office & team photos, reviews and more. This is the United Design Since 1974 Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at United Design Since 1974 Co., Ltd..Apply to OTVApply to Luxe PropertyApply to Zocial EventsApply to Mahidol