A technology consultant needs several key legal documents to ensure smooth and compliant operations, including a Consulting Agreement to outline the scope of work and responsibilities, a Nondisclosure Agreement (NDA) to protect confidential information, and a Proprietary Rights Addendum to clarify IP ownership. Additionally, a Data Processing Agreement (DPA) ensures compliance with data protection laws, a Service Level Agreement (SLA) defines service standards, and a Business Associate Agreement (BAA) is necessary for handling protected health information (PHI) in compliance with HIPAA. These documents help protect the consultant's interests, maintain confidentiality, ensure legal compliance, and establish clear professional relationships with clients.