When hiring an ISO 9001 consultant, it’s essential to consider several key factors to ensure a successful partnership. First, evaluate their experience and expertise in ISO 9001, particularly in your industry, as this ensures familiarity with specific compliance challenges and industry standards. Look for relevant certifications and a proven track record of helping organizations achieve ISO 9001 certification. Strong communication and problem-solving skills are vital, as the best ISO consultancy will need to guide your team through complex processes and engage with multiple departments. Additionally, ensure they offer a customized approach that aligns with your company's size, structure, and goals, rather than a one-size-fits-all solution. Finally, assess their understanding of regulatory changes, as ISO standards evolve over time, and inquire about their post-certification support to maintain compliance in the long term.