Certainly, here are some Power BI consultants and consulting firms that offer expertise in Microsoft Power BI:

1. **Thorogood:** Thorogood is a global consulting firm specializing in business intelligence and analytics, including Power BI. They provide services in data visualization, data modeling, and analytics strategy.

2. **Avanade:** Avanade is a global technology consulting and services company. They offer Power BI consulting services to help organizations with data visualization, reporting, and analytics.

3. **BlueGranite:** BlueGranite is a power bi consultants firm with expertise in data and analytics solutions, including Power BI. They offer services in data modeling, dashboard development, and advanced analytics

4. **Adatis:** Adatis is a UK-based consultancy specializing in data and analytics. They provide Power BI services for data visualization, reporting, and data platform solutions.

5. **Capgemini:** Capgemini is a global consulting firm that offers Power BI services as part of its business intelligence and analytics solutions. They assist organizations with data visualization, reporting, and insights.

6. **Visual BI Solutions:** Visual BI Solutions is a consulting firm that focuses on data visualization and analytics, including Power BI. They offer services in Power BI dashboard design, data modeling, and training.

7. **Beyondsoft Consulting:** Beyondsoft is a global IT consulting firm that provides Power BI consulting services. They assist organizations with data integration, reporting, and analytics using Power BI.

8. **PowerPivotPro:** PowerPivotPro is a consulting firm known for its expertise in Power BI and Excel-based data solutions. They offer Power BI consulting, training, and custom solutions.

When selecting a Power BI consultant or consulting firm, consider factors such as their experience, industry expertise, client testimonials, and specific services offered. It's also essential to have a clear understanding of your organization's needs and goals before engaging a consultant to ensure a successful partnership in implementing Power BI for your business intelligence and data analytics needs.