| Budbee Holding AB | 🍎 | 1 | 4.6★ | Lifestyle |
| Buddies Games Inc. | 🍎 | 1 | 4.9★ | Games |
| Buddy Bird Inc | 🍎 | 1 | — | EDUCATION |
| Buddy Budgeting AB | 🍎 | 1 | 4.7★ | Finance |
| Buddy Network GmbH | 🍎 | 1 | 4.9★ | Social Networking |
| Buddy Software LTDA | 🍎 | 1 | 4.7★ | Graphics & Design |
| Buddyfit SRL | 🍎 | 1 | 4.7★ | Health & Fitness |
| Budget Bestie Corp. | 🍎 | 1 | 4.7★ | FINANCE |
| BudgetBakers s.r.o. | 🍎 | 1 | 4.6★ | Finance |
| Buen camino | 🍎 | 1 | 4.8★ | Travel |
| Buena Capital Advisors, LLC | 🍎 | 1 | 5.0★ | Finance |
| Buencoco SL | 🍎 | 1 | — | Health & Fitness |
| Buenting E-Commerce GmbH & Co. KG | 🍎 | 1 | 4.6★ | Shopping |
| Buffalo Bills, Inc. | 🍎 | 1 | 4.8★ | Sports |
| Buffalo Wild Wings, Inc. | 🍎 | 1 | 4.9★ | Food & Drink |
| Buffalo Wings & Rings, LLC | 🍎 | 1 | 4.8★ | Food & Drink |
| Buffer, Inc. | 🍎 | 1 | 4.7★ | Social Networking |
| Buffini & Company | 🍎 | 1 | 3.6★ | Business |
| Buffy Moon Ltd | 🍎 | 1 | 4.2★ | Games |
| Bug.AI | 🍎 | 1 | 4.5★ | Entertainment |
| BugendaiTech | 🍎 | 1 | 5.0★ | Lifestyle |
| Bugfoot Studios LLC | 🍎 | 1 | 4.8★ | UTILITIES |
| Bugra Baskaya | 🍎 | 1 | — | Food & Drink |
| Bui Dinh Nguyen | 🍎 | 1 | — | Entertainment |
| Bui Khoi | 🍎 | 1 | 4.8★ | Education |
| Bui Nam | 🍎 | 1 | 5.0★ | Entertainment |
| Bui Vu | 🍎 | 1 | 4.7★ | Book |
| Build Company | 🍎 | 1 | 3.2★ | Shopping |
| Build to Connect, Inc. | 🍎 | 1 | 4.5★ | Business |
| BuildBook | 🍎 | 1 | 4.1★ | Business |
| BuildFire | 🍎 | 1 | 1.6★ | Food & Drink |
| BuildLoop | 🍎 | 1 | 3.5★ | Medical |
| BuildMan | 🍎 | 1 | 2.5★ | Music |
| Buildandteach Media, LLC | 🍎 | 1 | 5.0★ | Education |
| Builderment LLC | 🍎 | 1 | 4.6★ | Games |
| Buildertrend Solutions, Inc. | 🍎 | 1 | 4.5★ | Business |
| Building 36 Technologies | 🍎 | 1 | 2.9★ | Lifestyle |
| Building Automation Products, Inc | 🍎 | 1 | 4.0★ | Utilities |
| Built Accounting | 🍎 | 1 | 5.0★ | Business |
| Built With Science Holdings Corp | 🍎 | 1 | 4.6★ | Health & Fitness |
| BuiltaMart | 🍎 | 1 | 3.0★ | Shopping |
| Bujorel Tecu | 🍎 | 1 | 3.1★ | Book |
| Bulatbek Orazbekuly | 🍎 | 1 | — | Reference |
| Bulbous Ventures LLC | 🍎 | 1 | 4.1★ | Sports |
| Buldogo Games | 🍎 | 1 | 4.4★ | Games |
| Buldring AS | 🍎 | 1 | — | Health & Fitness |
| Bulk Reef Supply | 🍎 | 1 | 4.9★ | Shopping |
| BulkLoadsNow LLC | 🍎 | 1 | 4.7★ | Utilities |
| BulkSMS.com | 🍎 | 1 | 1.5★ | Productivity |
| Bulka, LLC | 🍎 | 1 | 4.9★ | Developer Tools |