| AdRoll | Spinify | Vanta Trust Center | - | Data analytics | - |
| Advantage (SIEM) | Vellox Group | Vanta Trust Center | - | To provide security monitoring, logging, and incident detection services in support of Vellox Group’s information security and compliance programs | - |
| Advice.ai | TaxStatus | Vanta Trust Center | - | Planning Strategies | - |
| Advocately | pantheon.io | Vanta Trust Center | USA | Customer Sub-Processor | - |
| Adyen | Lulu Press | Vanta Trust Center | US | Finance and payments | - |
| Adyen | EarnTrust | TrustShare (TrustCloud / Kintent) | - | company_restricted, customer_confidential | - |
| AFAS | Hellorider | Vanta Trust Center | - | HRM & Payroll Software | - |
| Affiliates | Pendo | Vanta Trust Center | - | Depending on the geographic location of Customer or its End Users, Pendo may engage one or more of the following Pendo Affiliates to deliver some or all of Pendo's Services. | - |
| Affinda | Employment Hero HR | Vanta Trust Center | USA | Data analytics | - |
| Affinity | Hiive | Vanta Trust Center | - | Customer relationship management | - |
| Affluent, Inc. | Airalo | Vanta Trust Center | US | Affiliate and marketing management | - |
| AFI | GoSkills | Vanta Trust Center | EU | Data storage and processing | - |
| afi.ai | Fluency, Inc. | Vanta Trust Center | - | Data backup | - |
| Afterpattern | NetDocuments | TrustShare (TrustCloud / Kintent) | - | customer_confidential | - |
| AfterShip | Order.co | Vanta Trust Center | - | Shipment tracking | - |
| Agave | Trunk Tools | Vanta Trust Center | - | - | - |
| Agency AI, Inc. | Cribl | TrustShare (TrustCloud / Kintent) | - | - | - |
| Agentforce -Salesforce, Inc. | Cribl | TrustShare (TrustCloud / Kintent) | - | - | - |
| Agile Pulse | Cribl | TrustShare (TrustCloud / Kintent) | - | - | - |
| AgileBits | Clario | Vanta Trust Center | Canada | Password management. | - |
| Agora | EarnTrust | TrustShare (TrustCloud / Kintent) | - | company_restricted | - |
| Agora | Usedge | Vanta Trust Center | Europe | Video-collaboration tooling | - |
| Aha | EarnTrust | TrustShare (TrustCloud / Kintent) | - | customer_confidential | - |
| Aha | Cube | Vanta Trust Center | United States | Customer feedback portal | - |
| Aha | usecure | Vanta Trust Center | US | Product and design | - |
| Aha | HYPR | Vanta Trust Center | USA | Customer Support | - |
| Aha | Newforma | Vanta Trust Center | - | Product and design | - |
| Aha! | Vellox Group | Vanta Trust Center | - | To provide product management and roadmapping services in support of Vellox Group product planning and development | - |
| Ahrefs | Crazy Ant Labs | TrustShare (TrustCloud / Kintent) | - | public | - |
| AI Node (Gemini 2.5 model) | Paddle | Vanta Trust Center | Northern Virginia, USA | AI-assisted processing within the Taktile workflow (e.g., extraction/standardisation, classification, or decision-support on onboarding inputs). | - |
| AI Photo Master | Lette | Noru | Unknown | OAuth app authorized by users | - |
| Aiera, Inc. | Q4 | Vanta Trust Center | USA | AI‑driven financial event‑intelligence / research platform | - |
| Aikido | Hellorider | Vanta Trust Center | - | - | - |
| Aikido | Optioryx | Vanta Trust Center | - | Security monitoring | - |
| Aikido | Squire | Vanta Trust Center | - | Cloud monitoring | - |
| Aikido | Argmax, Inc. | Vanta Trust Center | - | Security and vulnerability management | - |
| Aikido | Lettermint | Vanta Trust Center | Europe | Security | - |
| Aikido | Wintro | Vanta Trust Center | - | Vulnerability Scanning | - |
| Aikido (FMA) | Riecken.io | Vanta Trust Center | Belgium | Security | - |
| Aikido Security | BigMile | Vanta Trust Center | EU | Security | - |
| Aikido Security | 01Advertising | Vanta Trust Center | - | Security | - |
| Aikido Security | Enkryptify | Vanta Trust Center | EU | Security scanning | - |
| Aikido Security | Revolve Labs | Vanta Trust Center | US | Security and Vulnerability | - |
| Airbnb | Lette | Noru | Unknown | OAuth app authorized by users | - |
| Airbnb | Arkangel AI | Vanta Trust Center | US | Office operations | - |
| Airbrake | Level Access | Vanta Trust Center | USA | Application performance and security monitoring | - |
| AirBridge | Vega Events | Vanta Trust Center | - | Marketing | - |
| Airbyte | PlayerData | Vanta Trust Center | - | Data storage and processing | - |
| Airbyte | Recall.ai | Vanta Trust Center | US | Data Integration | - |
| Airbyte | BTS | Vanta Trust Center | EU | ETL | - |