To document processes and procedures in an ISO 9001 compliant QMS, follow these best practices:

1. **Identify Key Processes**: Determine essential processes for quality management and document them thoroughly.

2. **Define Roles and Responsibilities**: Clearly outline who is responsible for each process and procedure.

3. **Train Employees**: Ensure employees understand and are trained on the documented procedures.

4. **Monitor and Measure Performance**: Regularly assess compliance through audits and performance metrics.

5. **Continuous Improvement**: Establish a cycle for feedback and adjustments to improve processes.

6. **Document Everything**: Include process flows, work instructions, and records to ensure traceability and consistency.

7. **Engage Leadership**: Leadership should drive the QMS and ensure alignment with business goals.

8. **Structure Documentation**: Use a consistent structure for procedures, including purpose, scope, users, reference documents, process explanation, and records.

9. **Consider Complexity and Staff Needs**: Develop procedures based on task complexity, staff rotation, training needs, performance issues, complaints, and specific requirements.

These practices help ensure that the QMS is effective, consistent, and aligned with ISO 9001 standards.