Companies catalogue
- O Mr Pet 寵物先生, Lai Chi Kok
- O S Plus, Tsing Yi
- O' Farm, Chai Wan
- O'Farm, Ho Man Tin
- O'Farm, Tuen Mun
- O-PS Optometrist, Wan Chai
- OCBC Wing Hang Bank Limited, Metro City
- OCBC Wing Hang Bank Tai Wai Branch, Tai Wai
- OCBC Wing Hang Credit, Tsat Tsz Mui
- OCBC Wing Hang Credit, No. 12 Hill
- OCBC Wing Hang Credit, Kwai Chung
- OKAY.com, Hong Kong
- OMA Asia (Hong Kong) Ltd, Central
- OSELL, Central
- OSIM (將軍澳PopCorn 1樓F71號舖), Tseung Kwan O
- OZU Bar, Central
- Oasis Cafe & Party House, Mong Kok
- Occupational Health Service - Intergrated Services Group, Tsuen Wan
- Ocean Bubble House, Discovery Park
- Ocean Empire, Tsuen Wan
- Ocean Empire Food Shop 海皇粥店, Sha Tin
- Ocean One, Yau Tong
- Ocean Spa, Tsim Sha Tsui
- Ocean Super Seafood Restaurant, 佐敦
- Ocean Wings, Tseung Kwan O
- Odelice!, Tsim Sha Tsui
- Odelice! 欧膳, Tsim Sha Tsui
- Odyssey MUSE 奧滴斯音樂, Tsuen Wan
- Oh Sweet, Central
- Oi Wah Pawnshop Credit Limited, Wan Chai
- Old Beijing Restaurant, Causeway Bay
- Old Gourmet Bakery, Sai Kung
- Olde Hong Kong Tea Cafe, Sai Kung
- Oliver's Super Sandwiches, The Peak
- Oliver's Super Sandwiches, Central
- Oliver's Super Sandwiches, Central
- Oliver's Super Sandwiches, Admiralty
- Oliver's Super Sandwiches, Wan Chai
- Olympia China Ltd, 觀塘
- Omni Creative Limited, Chai Wan Kok
- On Kee Store, Sai Kung
- On-Street Motorcycle Parking Spaces, Kwun Tong
- On-Street Motorcycle Parking Spaces, Shau Kei Wan
- On-Street Motorcycle Parking Spaces, Chai Wan
- On-Street Motorcycle Parking Spaces, Kowloon Bay
- On-Street Motorcycle Parking Spaces, Tsing Yi
- On-Street Motorcycle Parking Spaces, Shek O
- On-Street Motorcycle Parking Spaces, Chai Wan
- On-Street Motorcycle Parking Spaces, Stanley
- On-Street Motorcycle Parking Spaces, Sha Tin
- On-Street Motorcycle Parking Spaces, Chai Wan
- One Capital Place, Wan Chai
- One Min Club, Chai Wan
- One South Lane, Shek Tong Tsui
- OneWorld Enterprises Limited, Pak Shek Kok
- Open Door Baptist Church, 藍田
- Open Kitchen, Central
- Ophelia, Wan Chai
- OptionsStudio, Singapore
- Orange Baking Store, Tsuen Wan
- Orchid Lodge, Ma Liu Shui
- Orff4kids, Prince Edward
- Organic Baby, Tsim Sha Tsui
- Organic Gardens, Kwu Tung
- Organic MaMa, Wan Chai
- Organic Modernism, Ap Lei Chau
- Organic Oasis 有機店, Mid-level
- Organic Plus (Fortress Hill), North Point
- Organic Plus (SYP), Sai Ying Pun
- Organic Plus (Taikoo Shing), Quarry Bay
- Organic Plus (office), Ma Tau Kok
- Organic Plus(Caine Rd), Central
- Organic Plus(Happy Valley), Happy Valley
- Organic We 綠色生活百貨, Mong Kok
- Orient Exchange Company (HK) Limited, Lam Tin
- Orient Exchange Company (HK) Limited, Sai Wan Ho
- Oriental Christian Holy Light Church, Aberdeen
- Oriental Classic Gallery, Tsim Sha Tsui
- Oriental Kingdom Restaurant, Ma On Shan
- Oriental Restaurant & Bar, Sai Kung
- Oriental Restaurant and Bar, Sai Kung
- Oriental Rugs - Professional Carpet Cleaning & Repairs, Yuen Long
- Orion Kitchen, Cheung Sha Wan
- Ornate Palace No. 1, Tai Po
- Orsini Lounge, Central
- Osaka Guest House, Tsim Sha Tsui
- Osiss Limited, Tsim Sha Tsui
- Otsuka Pharmaceutical (HK) Ltd, Leighton Hill
- Our Lady of Maryknoll Hospital Family Medicine Clinic, Chuk Un
- Our Lady's Primary School, Chuk Un
- Ourplcehk, Kwun Tong
- Out Of Mind Creative Ltd., Kowloon Bay
- Outdoor Invent, Kwun Tong
- Output Point Company Limited, Kwun Tong
- Output Pro Lab, Prince Edward
- Oxford University Press (China) Ltd, Kowloon Bay
- Oyster & Steak House, Tsim Sha Tsui
- Ozone Creative Space, Kwun Tong
- oi suen restaurant, Sha Tin
- oscool studio, Kwai Chung