Some of the challenges of intelligent business services include:

1. Data quality and consistency: Ensuring that the data used for analysis is accurate, consistent, and relevant can be a significant challenge.

2. Data integration: Integrating data from various sources can be complex, as the data may be stored in different formats and structures.

3. Data security: Protecting sensitive data from unauthorised access and cyber threats is critical for business intelligence.

4. The complexity of tools and technologies: Business intelligence tools and technologies can be complex, requiring specialised skills and knowledge to use effectively.

5. Cost: Implementing and maintaining a business intelligence system can be expensive, requiring investment in hardware, software, and personnel.

6. Organisational culture and buy-in: Building a data-driven culture and getting buy-in from stakeholders across the organisation can be challenging.

7. Agility: Business intelligence needs to be agile enough to adapt to changing business requirements and evolving market conditions.