| Price from | $2,083.33/mo | $75/mo |
| Free plan | — | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 3 | 3 |
| Spec score · Legal Entity Management Software | 7.8 (#10) | 8.3 (#3) |
| API | The developer documentation describes a GraphQL API with read and write operations across data, authenticated by API key. | The Enterprise API is a read-only, cursor-paginated JSON API using bearer keys, with Swagger documentation at /api/v1/docs. |
| Integrations | The product page lists iManage, Office 365, Google Drive, FileForms, DocuSign and Slack integrations. | Enterprise includes API access and an MCP server to connect an AI assistant. |
| Intended users | The pricing page positions Essentials for smaller teams, Professional for mid-sized teams and Enterprise for global teams with complex or regulated entities. | Lextree describes its users as including paralegals, office managers, compliance officers, CFOs, and external advisors, serving organizations from small teams to large enterprises. |
| Product | Athennian is a cloud-based platform for proactive entity management that connects legal, finance, tax and compliance teams. | Lextree is a compliance management platform for tracking company records, attachments, and deadlines in one place. |
| Security | Athennian states that it is SOC 2 Type II certified and GDPR compliant, with AES-256 encryption at rest and TLS 1.2+ in transit. | Lextree says data is encrypted in transit with TLS 1.2 or higher and at rest with AES-256, and records are isolated between subscribers. |
| Support | Athennian says it provides training and ongoing support from its customer success team; premium support is a listed Enterprise add-on. | Pro includes email support, and the company says its support is answered by people who know the product. |