WorkVenture gives you an inside look at what it's like to work at BEST INVESTIGATION Co., Ltd., office & team photos, reviews and more. This is the BEST INVESTIGATION Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at BEST INVESTIGATION Co., Ltd..Apply to NAM YUEN YONGApply to Tokio Marine InsuranceApply to Media BoxesApply to POSH MEDICA