| Klart Vädertjänster AB | 🍎 | 1 | 4.5★ | Weather |
| Klassik Radio AG | 🍎 | 1 | 4.7★ | Music |
| Klaus Thul | 🍎 | 1 | 4.7★ | Reference |
| Klaus-Peter Hansen | 🍎 | 1 | 4.8★ | Utilities |
| Klever Exchange | 🍎 | 1 | 4.8★ | Finance |
| Klik Indomaret Perkasa | 🍎 | 1 | 4.3★ | Shopping |
| KlingenApp | 🍎 | 1 | 4.3★ | Productivity |
| Klini Saúde | 🍎 | 1 | 2.2★ | Health & Fitness |
| Klip Studio LLC | 🍎 | 1 | 5.0★ | Food & Drink |
| Kliv Spahiu | 🍎 | 1 | — | Utilities |
| Kloeber Enterprises, Inc | 🍎 | 1 | 4.6★ | Shopping |
| Klook Travel Technology Limited | 🍎 | 1 | 4.7★ | Travel |
| Klouder LLC | 🍎 | 1 | — | Business |
| Kluaynamthai Hospital Company Limited. | 🍎 | 1 | 1.5★ | Business |
| Kmart Australia Limited | 🍎 | 1 | 4.8★ | Shopping |
| KnL Innovation LLC | 🍎 | 1 | 5.0★ | Lifestyle |
| KnT Developer LLC | 🍎 | 1 | 4.6★ | Education |
| Knaap Bikes | 🍎 | 1 | — | Lifestyle |
| Knack Technologies, Inc. | 🍎 | 1 | 4.9★ | Education |
| Knaut Inc. | 🍎 | 1 | — | Lifestyle |
| Kneady Technologies | 🍎 | 1 | 4.8★ | FOOD_AND_DRINK |
| Knectek Labs Inc. | 🍎 | 1 | 4.8★ | Utilities |
| Kneetch Industries Ltd. | 🍎 | 1 | 5.0★ | Food & Drink |
| Knockk | 🍎 | 1 | 4.4★ | Social Networking |
| Knodd | 🍎 | 1 | 5.0★ | Medical |
| Knorish | 🍎 | 1 | — | Education |
| Knotion | 🍎 | 1 | 3.0★ | Education |
| Knoty Labs Private Limited | 🍎 | 1 | — | Education |
| Know Eat All, Inc. | 🍎 | 1 | 4.7★ | Food & Drink |
| KnowRoaming Ltd. | 🍎 | 1 | 4.1★ | Travel |
| KnowYourself and Exploration | 🍎 | 1 | 4.0★ | Health & Fitness |
| Knowledge Bridge Consulting Inc. | 🍎 | 1 | 5.0★ | Education |
| Knowledge Collective | 🍎 | 1 | 4.3★ | Education |
| Knowledge Spot Inc. | 🍎 | 1 | 3.9★ | Sports |
| Knowledge Works, Inc. | 🍎 | 1 | 3.5★ | Lifestyle |
| KnowledgeLens | 🍎 | 1 | — | Utilities |
| Knowron GmbH | 🍎 | 1 | 5.0★ | Productivity |
| Knowt Inc. | 🍎 | 1 | 4.7★ | Education |
| Knowunity GmbH | 🍎 | 1 | 4.6★ | Education |
| Knowverse | 🍎 | 1 | 4.5★ | Entertainment |
| Knoxville Academy of Martial Arts Student Portal | 🍎 | 1 | 4.6★ | Health & Fitness |
| Knoxxi Inc | 🍎 | 1 | 5.0★ | Health & Fitness |
| Knuddels | 🍎 | 1 | 4.6★ | Social Networking |
| Knudge Technology Private Limited | 🍎 | 1 | 5.0★ | Education |
| Ko Hyunshik | 🍎 | 1 | 4.9★ | Productivity |
| Ko Lui Secondary School | 🍎 | 1 | — | Education |
| Koba Zakaria | 🍎 | 1 | 4.9★ | Utilities |
| Kobe Hadash | 🍎 | 1 | — | Education |
| Koc University | 🍎 | 1 | — | Education |
| Kocaeli Büyükşehir Belediyesi | 🍎 | 1 | 4.0★ | Reference |