The cost of hiring an ISO consultant can vary widely based on several factors:

Type of ISO Standard: Different standards, such as ISO 9001, ISO 14001, or ISO 27001, can have different complexities and requirements.

Company Size and Complexity: Larger companies or those with more complex processes and systems may require more extensive consulting services.

Consultant Experience and Expertise: Highly experienced consultants or those with specialized expertise might charge more.

Geographic Location: Costs can vary by region due to differences in living costs and market rates.

Scope of Services: The extent of services provided, such as initial assessment, gap analysis, training, documentation support, implementation guidance, and audit preparation, can influence the cost.

Duration of Engagement: Whether the consultancy is for a short-term project or a long-term partnership can also affect the pricing.

On average, Best ISO consultants may charge:

Hourly Rate: Between $100 and $300 per hour.
Daily Rate: Between $800 and $2,000 per day.

Project-Based Fees: For a complete ISO certification project, costs can range from $5,000 to $50,000 or more, depending on the factors mentioned above.

For smaller businesses or less complex projects, the cost might be on the lower end of the spectrum, while larger or more complex organizations could see costs on the higher end. It's also common for consultants to offer package deals or fixed rates for specific services.