| Avalade Communications Limited | Private company limited by shares | Live |
| AVTECH COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| A-WORLD COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| AXIS COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| AyeCon Communications Technology Limited | | Live |
| AZIATECH COMMUNICATIONS CO., LIMITED | Private company limited by shares | Dissolved |
| NEW BALANCE COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BAMBOO BUSINESS COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BAMBOOM COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Banff Communications Limited | Private company limited by shares | Dissolved |
| BANG COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Big Bang Communications Limited | Private company limited by shares | Dissolved |
| BANK OF COMMUNICATIONS TRUSTEE LIMITED | Public company limited by shares | Live |
| Baoli Communications International Limited | Private company limited by shares | Live |
| BAPTIST COMMUNICATIONS CENTER (INTERNATIONAL) LIMITED | Company limited by guarantee | Dissolved |
| UK Barbican Cultural Communications Limited | Private company limited by shares | Live |
| Base Communications Limited | Private company limited by shares | Live |
| BASE FOR CROSS-STRAIT COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| EVIDENCE BASED COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BASIC COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| BEIDOU COMMUNICATIONS TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| Belmont Communications Limited | | Live |
| BENNY'S COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| BENTLEY COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BESPOKE COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BEST NATION COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BEST VIEW COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BESTIE COMMUNICATIONS HK LIMITED | Private company limited by shares | Live |
| BESTLINK COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BEYOND COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| BIBO COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| TWO BIRDS COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BIRMAN RAGDOLL COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| BIRTH COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Bite Communications Hong Kong Limited | Private company limited by shares | Live |
| BITEL COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Bitz Communications Limited | Private company limited by shares | Live |
| BIWA COMMUNICATIONS LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jun-2007 |
| BIZLINK COMMUNICATIONS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Black Label Communications Limited | Private company limited by shares | Dissolved |
| Bling Communications Company Limited | Private company limited by shares | Live |
| BLINK COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Live |
| Blink Communications Limited | Private company limited by shares | Live |
| BLISS COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Bloom n Bloom Communications Limited | Private company limited by shares | Dissolved |
| Boco Communications Co., Limited | Private company limited by shares | Live |
| MAN BOND COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Ms Bonnie Communications Limited | Private company limited by shares | Live |
| BONTECH COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| FATTY BOOST COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Cross Border Communications Group Limited | Private company limited by shares | Live Commenced dormancy on 21-Oct-2009 |
| Bosing Communications Limited | Private company limited by shares | Dissolved |
| BOTTLENECK COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BRAINPOWER COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BRAINWAVE COMMUNICATIONS (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| BRAND COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| NW BRAND COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| China Buddhist Brand Communications Limited | Private company limited by shares | Live |
| HK BRAND CHANCE COMMUNICATIONS CONSULTING LIMITED | Private company limited by shares | Live |
| Cream Brand Communications Limited | Private company limited by shares | Live |
| IDEA FACTORY BRAND COMMUNICATIONS CO. LIMITED | Private company limited by shares | Dissolved |
| Brand Communications International Limited | Private company limited by shares | Live |
| LBC Luxury Brand Communications International Limited | Private company limited by shares | Live |
| Dawning Communications & Brand Management Limited | Private company limited by shares | Live |
| SMMY BRAND COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| SMART THINK BRAND COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Brandit Communications Limited | Private company limited by shares | Live |
| BRANDTREE COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Live |
| BRAZEN COMMUNICATIONS HK LIMITED | Private company limited by shares | Dissolved |
| BRELLA (ASIA) COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| BRIGHT COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| GOLD BRIGHT COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| BRIGHT COMMUNICATIONS GROUP LIMITED | Private company limited by shares | Dissolved |
| BRIGHT COMMUNICATIONS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CHINA BROADCASTING COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Broadcom Communications HK Limited | Private company limited by shares | Live |
| BROADMAX COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Brothers Communications Limited | Private company limited by shares | Live |
| NC Bubble Communications Limited | Private company limited by shares | Live |
| Build On Communications Limited | | Live |
| MERRY BUNNY COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BG Business Communications Limited | Private company limited by shares | Live |
| ASIA BUSINESS COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| BUSINESS COMMUNICATIONS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| IMPERIAL BUSINESS COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BUZZ COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Cablefree Communications Co., Limited | Private company limited by shares | Dissolved |
| CABLEVISION & COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| CALIFORNIA COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| CALMAR ONLINE COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Campden Communications Limited | Private company limited by shares | Live |
| CARACAS COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Carousel Communications Limited | Private company limited by shares | Live |
| CARROT COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| CARROTS COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| C.A.T. COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Catcher Communications Limited | Private company limited by shares | Live |
| Cateye Communications Limited | Private company limited by shares | Live |
| CCPC COMMUNICATIONS LIMITED | Private company limited by shares | Live Commenced dormancy on 31-May-2013 |
| CELIHU COMMUNICATIONS LIMITED | Private company limited by shares | Live |