| ONE BY ONE FOUNDATION | — | S0054470 | 2008-12-04 | Inactive | |
| ONE BY ONE NUTRITION | — | FM0619045 | 2013-10-21 | Active | |
| ONE CADENCE BUSINESS CONSULTING INC. | — | BC1068048 | 2016-03-11 | Inactive | |
| ONE CAFE (CENTRAL KITCHEN) LTD. | — | BC1571998 | 2026-01-09 | Active | |
| ONE CAFE (CRYSTAL) LTD. | — | BC1581218 | 2026-03-10 | Active | |
| ONE CAFE (EMPIRE) LTD. | — | BC1498833 | 2024-08-26 | Active | |
| ONE CAFE (LANSDOWNE) LTD. | — | BC1532260 | 2025-03-20 | Active | |
| ONE CAFE (PARKER) LTD. | — | BC1368141 | 2022-06-19 | Active | |
| ONE CAFE (YAOHAN) LTD. | — | BC1585702 | 2026-04-09 | Active | |
| ONE CALL (DOES IT ALL) TRADES SERVICES LTD. | — | BC0286377 | 1984-12-18 | Inactive | |
| ONE CALL ANSWERS ALL | — | FM0566820 | 2011-09-27 | Active | |
| ONE CALL AWAY HOME CARE LTD. | — | A0105531 | 2018-04-03 | Active | |
| ONE CALL AWAY SERVICES INC. | — | BC0765794 | 2006-08-10 | Inactive | |
| ONE CALL AWAY SERVICES LTD. | — | BC1306165 | 2021-05-18 | Active | |
| ONE CALL CLOSER SOLUTIONS INC. | — | BC1138256 | 2017-10-20 | Active | |
| ONE CALL CONSTRUCTION INCORPORATED | — | BC1064096 | 2016-02-09 | Active | |
| ONE CALL CONTRACTING | — | FM0562369 | 2011-07-26 | Active | |
| ONE CALL CONTRACTING | — | FM0651827 | 2015-01-28 | Active | |
| ONE CALL CONTRACTING | — | FM0484227 | 2008-08-15 | Active | |
| ONE CALL CONTRACTING LTD. | — | BC0725231 | 2005-05-22 | Inactive | |
| ONE CALL COURIER SERVICE | — | FM0294483 | 2001-01-26 | Active | |
| ONE CALL CUSTOMS | — | FM1058582 | 2024-10-18 | Active | |
| ONE CALL CUSTOMS LTD. | — | BC1524763 | 2025-02-01 | Active | |
| ONE CALL DISPATCH SERVICES LTD. | — | BC0672730 | 2003-07-03 | Inactive | |
| ONE CALL DISPOSAL LIMITED | — | BC0933737 | 2012-02-27 | Inactive | |
| ONE CALL DOES ALL CLEAN UPS | — | FM0040537 | 1981-12-22 | Active | |
| ONE CALL DOES IT ALL | — | FM0526010 | 2010-04-05 | Active | |
| ONE CALL DOES IT ALL HOME REPAIRS | — | FM0462912 | 2007-10-25 | Active | |
| ONE CALL DRYWALL SOLUTIONS LTD. | — | BC1323154 | 2021-09-07 | Active | |
| ONE CALL ELECTRIC | — | FM0121154 | 1991-07-16 | Active | |
| ONE CALL EQUIPMENT | — | FM0773757 | 2019-04-09 | Active | |
| ONE CALL EXCAVATORS SERVICES | — | FM0840853 | 2021-04-10 | Active | |
| ONE CALL HANDYMAN | — | FM0213707 | 1997-02-01 | Active | |
| ONE CALL HOME IMPROVEMENT LTD. | — | BC0637871 | 2001-11-27 | Inactive | |
| ONE CALL HOME MAINTENANCE | — | FM0768353 | 2019-02-12 | Active | |
| ONE CALL HR | — | FM0694417 | 2016-07-25 | Active | |
| ONE CALL LOCATORS CANADA LTD. | — | A0070901 | 2007-04-18 | Inactive | |
| ONE CALL LOCATORS CANADA LTD. | — | BC0637706 | 2001-11-23 | Inactive | |
| ONE CALL LOGISTICS & TRANSPORTATION, INC. | — | BC0802860 | 2007-09-18 | Active | |
| ONE CALL MECHANICAL LTD. | — | BC1022622 | 2014-12-19 | Active | |
| ONE CALL MOBILE TRUCK REPAIRS | — | FM0819752 | 2020-10-13 | Active | |
| ONE CALL MORTGAGE.CA | — | FM0604197 | 2013-03-26 | Active | |
| ONE CALL OIL TANK REMOVAL SERVICES LTD. | — | BC1035228 | 2015-04-30 | Inactive | |
| ONE CALL PROPERTY SERVICES | — | FM0378314 | 2004-08-11 | Active | |
| ONE CALL PROPERTY SERVICES LTD. | — | BC0954510 | 2012-11-06 | Inactive | |
| ONE CALL PYRAMID HANDYMAN SERVICE | — | FM0761427 | 2018-11-20 | Active | |
| ONE CALL SERVICES LTD. | — | BC1548915 | 2025-07-18 | Active | |
| ONE CALL SOLUTION INC. | — | BC0568724 | 1998-07-22 | Inactive | |
| ONE CALL SOLUTION REALTY | — | FM0244134 | 1998-07-28 | Active | |
| ONE CALL WE HAUL IT ALL | — | FM0597283 | 2012-12-13 | Active | |
| ONE CALL WE TAKE ALL | — | FM0245440 | 1998-08-26 | Active | |
| ONE CALL YARD AND BUILDING MAINTENANCE | — | FM1023937 | 2023-08-21 | Active | |
| ONE CAN DO SERVICES LTD. | — | BC0992871 | 2014-02-04 | Active | |
| ONE CANADIAN LANDSCAPING | — | FM0433023 | 2006-09-10 | Active | |
| ONE CANADIAN LANDSCAPING LTD. | — | BC0812506 | 2007-12-29 | Active | |
| ONE CAPITAL MANAGEMENT CANADA LTD. | — | BC1082247 | 2016-07-08 | Active | |
| ONE CAPITAL MANAGEMENT LLC | — | LLC0000455 | 2011-01-05 | Active | |
| ONE CARBON THERAPEUTICS LTD. | — | BC1014449 | 2014-09-24 | Inactive | |
| ONE CARD LIMITED | — | BC1045010 | 2015-08-06 | Inactive | |
| ONE CARING HUMAN HEALTH SERVICES SOCIETY | — | S0080612 | 2024-06-21 | Active | |
| ONE CARING HUMAN INITIATIVE | — | FM0891510 | 2022-10-07 | Active | |
| ONE CAT FARM | — | FM0735070 | 2017-12-10 | Active | |
| ONE CEDAR HOLDINGS INC. | — | BC0925234 | 2011-11-15 | Active | |
| ONE CENT PUBLISHING LTD. | — | BC0340640 | 1988-02-15 | Inactive | |
| ONE CENTRAL SERVICING LTD. | — | BC1449846 | 2023-11-16 | Active | |
| ONE CENTRAL SURREY PROJECT LIMITED PARTNERSHIP | — | LP0893278 | 2023-05-11 | Active | |
| ONE CHAIR MEDIA INC. | — | BC1239967 | 2020-02-06 | Active | |
| ONE CHAMPIONSHIP (CANADA) LTD. | — | A0132680 | 2024-06-11 | Active | |
| ONE CHANNEL TV CORPORATION | — | BC0771138 | 2006-10-06 | Inactive | |
| ONE CHOICE CONTRACTING LTD. | — | BC0938130 | 2012-04-16 | Inactive | |
| ONE CIRCLE EVENTS | — | FM0677460 | 2015-12-31 | Inactive | |
| ONE CIRCLE FINANCIAL SOLUTIONS INC. | — | A0143420 | 2026-08-24 | Active | |
| ONE CIRCLE TECHNOLOGIES INC. | — | BC1315093 | 2021-07-13 | Active | |
| ONE CITY PAINTING | — | FM0497699 | 2009-03-11 | Active | |
| ONE CITY WINDOW CLEANERS | — | FM0579350 | 2012-03-22 | Active | |
| ONE CLASSIC AUTO | — | FM0743088 | 2018-03-19 | Active | |
| ONE CLEAN LADY | — | FM0779369 | 2019-06-07 | Active | |
| ONE CLEAN SWEEP RESIDENTIAL CLEANING SERVICE | — | FM0434245 | 2006-09-26 | Active | |
| ONE CLICK APPLIANCE SERVICES LTD. | — | BC1252517 | 2020-06-06 | Active | |
| ONE CLICK AUTO LOAN | — | FM0858608 | 2021-09-21 | Active | |
| ONE CLICK AUTO LOANS | — | FM0875520 | 2022-03-25 | Active | |
| ONE CLICK AWAY | — | FM0846660 | 2021-05-25 | Active | |
| ONE CLICK AWAY VIRTUAL SERVICES GROUP | — | FM0436322 | 2006-10-25 | Active | |
| ONE CLICK COMMUNICATIONS | — | FM0545882 | 2010-12-29 | Active | |
| ONE CLICK EVENTS AND NETWORK INC. | — | BC1175227 | 2018-08-09 | Inactive | |
| ONE CLICK MARKETING & SERVICE CO. | — | FM0619044 | 2013-10-21 | Active | |
| ONE CLICK MOTIVE | — | FM0771480 | 2019-03-21 | Active | |
| ONE CLICK SHOPPING | — | FM1063120 | 2024-12-20 | Active | |
| ONE CLICK SOLUTION HOSPITALITY SERVICES | — | FM0559126 | 2011-06-10 | Active | |
| ONE CLICK SOLUTIONS | — | FM0607244 | 2013-05-09 | Active | |
| ONE CLICK SOLUTIONS INTERNATIONAL | — | FM0539858 | 2010-10-03 | Active | |
| ONE CLICK STAFFING INC. | — | BC0826029 | 2008-05-26 | Inactive | |
| ONE CLICK STORES LTD. | — | BC1260705 | 2020-08-10 | Inactive | |
| ONE CLICK VENTURES INC. | — | A0051701 | 2000-04-10 | Inactive | |
| ONE CLICK WIRELESS INC. | — | BC0674793 | 2003-08-07 | Inactive | |
| ONE CLINIC MD | — | FM0789848 | 2019-10-11 | Active | |
| ONE CLIPBOARD CANADA DEVELOPMENT, INC. | — | C1508860 | 2024-10-28 | Inactive | |
| ONE CLOTHING COMPANY | — | FM0386312 | 2004-12-12 | Active | |
| ONE COAST HEALTH INC. | — | BC1369463 | 2022-06-28 | Active | |
| ONE COAST SEAFOOD DISTRIBUTION | — | FM0661884 | 2015-05-28 | Active | |
| ONE COAT | — | FM0607433 | 2013-05-13 | Active | |
| ONE CODEX GENOMICS CANADA, ULC | — | BC1379311 | 2022-09-19 | Active | |
| ONE COIN FINANCE CORP. | — | BC1160476 | 2018-04-13 | Inactive | |
| ONE COIN HOLDINGS CORP. | — | BC1160467 | 2018-04-13 | Inactive | |
| ONE COLLECTIVE THERAPY | — | FM1046379 | 2024-05-15 | Active | |
| ONE COMMUNICATIONS INC. | — | BC1037001 | 2015-05-20 | Inactive | |
| ONE COMMUNITY CANADA SOCIETY | — | S0071643 | 2019-07-10 | Active | |
| ONE COMPUTER SOLUTIONS INC. | — | BC0657566 | 2002-10-31 | Inactive | |
| ONE CONDITION HAIR SALON | — | FM0839103 | 2021-03-29 | Active | |
| ONE CONNECT ELECTRIC | — | FM1022430 | 2023-07-28 | Active | |
| ONE CONNECT INC. | — | BC1346585 | 2022-02-05 | Active | |
| ONE CONSTRUCTION | — | FM0401241 | 2005-06-28 | Active | |
| ONE CONSULTING GROUP CORP. | — | BC0813015 | 2008-01-05 | Inactive | |
| ONE CONTINENT IMMIGRATION | — | FM0860846 | 2021-10-19 | Active | |
| ONE CONTINENT IMMIGRATION LAW CORPORATION | — | BC0876831 | 2010-03-24 | Active | |
| ONE CONTRACTING COMPANY | — | FM0527847 | 2010-04-27 | Active | |
| ONE COOL COOKIE | — | FM0876435 | 2022-04-05 | Active | |
| ONE CORNER COMPASSION PROJECTS | — | S0054765 | 2009-02-27 | Inactive | |
| ONE CORPORATE SOLUTION LTD. | — | BC0551737 | 1997-10-07 | Inactive | |
| ONE COVERS UNLIMITED STORE | — | FM0570363 | 2011-11-17 | Active | |
| ONE COWICHAN COMMUNITY EDUCATION SOCIETY | — | S0060593 | 2012-11-29 | Active | |
| ONE CRAFT RENOVATION | — | FM0653064 | 2015-02-15 | Active | |
| ONE CRASH IS TOO MANY SOCIETY | — | S0061675 | 2013-08-28 | Inactive | |
| ONE CREATION FILMS LTD. | — | BC1222410 | 2019-09-06 | Active | |
| ONE CREATIONS | — | FM0364943 | 2004-02-07 | Active | |
| ONE CREATIVE CONSTRUCTION CO LTD. | — | BC1411055 | 2023-04-17 | Active | |
| ONE CREATOR WELLNESS SOCIETY | — | S0082570 | 2025-04-24 | Active | |
| ONE CREEK FORESTRY LTD. | — | BC0364524 | 1989-04-26 | Active | |
| ONE CROWD EVENTS AND NETWORKS INC. | — | BC0985838 | 2013-11-18 | Inactive | |
| ONE CUBE IMMIGRATION SERVICES LTD. | — | BC1171283 | 2018-07-10 | Active | |
| ONE CUBED CONSULTING | — | FM0560866 | 2011-07-06 | Active | |
| ONE CUP PRODUCTIONS LTD. | — | A0114513 | 2020-09-01 | Active | |
| ONE CUT FILMS, INC. | — | BC0483754 | 1994-11-07 | Inactive | |
| ONE CUT TREE SERVICE | — | FM0513943 | 2009-10-22 | Active | |
| ONE D HOLDINGS LTD. | — | BC0611512 | 2000-07-28 | Active | |
| ONE DAY ADVENTURES | — | FM0177846 | 1995-04-07 | Active | |
| ONE DAY APP INC. | — | BC1416461 | 2023-05-16 | Active | |
| ONE DAY AT A TIME CONTRACTING LTD. | — | BC0517510 | 1996-04-17 | Inactive | |
| ONE DAY AT A TIME HOLDINGS LTD. | — | BC0191349 | 1979-05-22 | Inactive | |
| ONE DAY DEMOLITION LTD. | — | BC1477243 | 2024-04-22 | Active | |
| ONE DAY DESIGN | — | FM0750232 | 2018-06-25 | Active | |
| ONE DAY DESIGN | — | FM0277252 | 2000-03-21 | Active | |
| ONE DAY FIRST AID | — | FM1053455 | 2024-08-14 | Active | |
| ONE DAY FOR GOD | — | A0109723 | 2019-05-10 | Active | |
| ONE DAY HOLDINGS LTD. | — | BC0820337 | 2008-04-01 | Active | |
| ONE DAY HOLDINGS LTD. | — | BC0267489 | 1983-08-08 | Inactive | |
| ONE DAY IN TIME MARKETING | — | FM0103991 | 1990-01-15 | Active | |
| ONE DAY OFF FLORAL LTD. | — | BC1565999 | 2025-12-03 | Active | |
| ONE DAY PRINTING | — | FM0057021 | 1984-10-26 | Inactive | |
| ONE DAY PRINTING | — | FM0060950 | 1985-05-06 | Active | |
| ONE DAY PUBLICATIONS | — | FM0329111 | 2002-08-15 | Active | |
| ONE DAY RUBBER STAMP MANUFACTURING | — | FM0086943 | 1988-04-20 | Active | |
| ONE DAY VENTURES INC. | — | BC0968903 | 2013-04-30 | Active | |
| ONE DAY WONDER SHOWS | — | FM0218608 | 1997-04-22 | Active | |
| ONE DAY WONDER SHOWS INC. | — | BC0415937 | 1991-11-26 | Inactive | |
| ONE DEALER FINANCIAL SERVICES INC. | — | A0096635 | 2015-09-18 | Inactive | |
| ONE DEGREE CAPITAL CORP. | — | BC0616994 | 2000-11-06 | Active | |
| ONE DEGREE HVAC SERVICE GROUP | — | FM0682531 | 2016-03-01 | Active | |
| ONE DEGREE HVAC SERVICE GROUP LTD. | — | BC1111353 | 2017-03-16 | Active | |
| ONE DEGREE OF SEPARATION CONNECTIONS | — | FM0613283 | 2013-07-30 | Active | |
| ONE DEGREE ORGANIC FOODS INC. | — | BC0897414 | 2010-12-08 | Active | |
| ONE DELTA CIVIC ASSOCIATION | — | S0058415 | 2011-06-07 | Inactive | |
| ONE DENTAL CENTRE | — | FM1075981 | 2025-05-16 | Active | |
| ONE DENTAL CENTRE | — | FM0777970 | 2019-05-23 | Active | |
| ONE DESIGNS | — | FM0188422 | 1995-10-19 | Active | |
| ONE DIAL PLUMBING AND HEATING LTD. | — | BC1576288 | 2026-02-05 | Active | |
| ONE DIAMOND TRUCKING & REPAIR | — | FM1025740 | 2023-09-14 | Active | |
| ONE DIAMOND TRUCKING & REPAIR | — | FM0551894 | 2011-03-14 | Inactive | |
| ONE DIRECTION INVESTMENTS INC. | — | BC1062023 | 2016-01-20 | Inactive | |
| ONE DISPOSAL | — | FM0723378 | 2017-07-10 | Active | |
| ONE DIVERGE CONTRACTING | — | FM0746644 | 2018-05-08 | Active | |
| ONE DIVERSIFIED AUDIO VISUAL CANADA LTD. | — | BC1166598 | 2018-06-01 | Active | |
| ONE DOG CO. INCORPORATED | — | BC0811635 | 2007-12-19 | Active | |
| ONE DOLLAR ONE DAY SOCIAL RESPONSIBILITY SOCIETY | — | S0054831 | 2009-03-16 | Inactive | |
| ONE DOLLAR PHILANTHROPY | — | FM0713766 | 2017-03-22 | Active | |
| ONE DOLLAR WAREHOUSE LTD. | — | BC0697170 | 2004-06-10 | Inactive | |
| ONE DONKEY AND A CART PRODUCTIONS INC. | — | BC0495601 | 1995-05-01 | Inactive | |
| ONE DRAGON SERVICES | — | FM0879287 | 2022-05-06 | Active | |
| ONE DRAW CONSULTING | — | FM0426878 | 2006-06-14 | Active | |
| ONE DREAM IMMIGRATION INC. | — | BC1307055 | 2021-05-25 | Active | |
| ONE DREAM TRAVEL | — | FM0859614 | 2021-10-04 | Active | |
| ONE DREAMWORKS | — | FM0809803 | 2020-07-03 | Active | |
| ONE DREAMWORKS | — | FM0808673 | 2020-06-18 | Inactive | |
| ONE DROP COLLECTIVE SOCIETY | — | S0076499 | 2022-05-11 | Active | |
| ONE DROP CONTRACTING | — | FM0799777 | 2020-02-25 | Active | |
| ONE DROP CONTRACTING LTD. | — | BC1251491 | 2020-05-27 | Inactive | |
| ONE DROP MANAGEMENT CONSULTING LTD. | — | BC1162316 | 2018-05-01 | Active | |
| ONE DROP PLUMBING AND GAS | — | FM0554947 | 2011-04-19 | Active | |
| ONE DRUM - SERVCO VENTURES LIMITED | — | BC1163862 | 2018-05-11 | Inactive | |
| ONE DRUM INDIGENOUS IMPACT INVESTMENT CORPORATION | — | BC1138701 | 2017-10-24 | Inactive | |
| ONE DUCK BREWING COMPANY INC. | — | BC1020311 | 2014-11-27 | Inactive | |
| ONE DUCK PRODUCTIONS | — | FM0270197 | 1999-11-18 | Active | |
| ONE DYNASTY INVESTMENT CORPORATION | — | BC1270139 | 2020-10-16 | Inactive | |
| ONE E GENPAR INC. | — | A0076383 | 2009-01-21 | Inactive | |
| ONE E LP | — | XP0494125 | 2009-01-22 | Active | |
| ONE EAR VENTURES | — | FM0277869 | 2000-03-28 | Active | |
| ONE EARTH B.C. HOLDINGS LTD. | — | BC1077799 | 2016-06-02 | Active | |
| ONE EARTH BRANDS INC. | — | A0094734 | 2015-03-02 | Inactive | |
| ONE EARTH CAPITAL INC. | — | BC1110936 | 2017-03-15 | Inactive | |
| ONE EARTH COLLECTION LTD. | — | BC0892498 | 2010-10-08 | Inactive | |