Selecting the best ERP (Enterprise Resource Planning) system for a business in Hong Kong depends on various factors, including the size of the business, industry, specific needs, and budget. However, some of the most popular and highly regarded ERP systems that are commonly used in Hong Kong and globally include: 1. **SAP ERP**: Known for its comprehensive features and scalability, SAP is a leading choice for large enterprises. It offers industry-specific solutions and is highly customizable. 2. **Oracle NetSuite**: A cloud-based ERP solution that is popular among small to medium-sized businesses. It offers a wide range of functionalities, including financial management, CRM, and e-commerce. 3. **Microsoft Dynamics 365**: This ERP system integrates well with other Microsoft products and offers flexibility and scalability. It is suitable for businesses of various sizes and industries. 4. **Infor ERP**: Known for its industry-specific solutions, Infor provides a range of ERP products that cater to different sectors, including manufacturing, healthcare, and retail. 5. **Odoo**: An open-source ERP that is highly customizable and cost-effective, making it a popular choice for small to medium-sized businesses. 6. **Epicor ERP**: Focused on manufacturing and distribution industries, Epicor offers robust solutions that help streamline operations and improve efficiency. 7. **Sage 300**: Formerly known as Sage ERP Accpac, this system is popular among small to medium-sized businesses for its ease of use and strong financial management capabilities. When choosing an ERP system, it’s important to consider factors such as the specific needs of your business, the level of customization required, the total cost of ownership, and the support and training provided by the vendor. It may also be beneficial to consult with an ERP implementation expert or a consultant who understands the local market in Hong Kong.

The selection of the most suitable ERP (Enterprise Resource Planning) system for a Hong Kong business is influenced by several factors namely, business size, industry, specific needs, and budget. Nevertheless, some of the most impactful and most suggested ERP such as those in Hong Kong and globally are:

1. SAP ERP: SAP is a top option for large enterprises that is highly scalable and offers a comprehensive set of features. It has solutions for industries also and is very customizable.

2. Oracle NetSuite: A cloud-based ERP solution that is the choice of many mid-sized businesses. It is very comprehensive, providing functionalities such as financial management, CRM, and e-commerce.

3. Microsoft Dynamics 365: This ERP system is popular because of its compatibility with other Microsoft products and is ideal for companies of all sizes. It provides modules for finance, operations, sales, and customer service.

4. Infor ERP: Consisting of industry-specific solutions Infor has a user-friendly interface and strong analytics capabilities which make it preferred by both mid-sized and large firms.

5. Epicor ERP: In particular, the manufacturing and distribution industry sectors have a special interest in Epicor which offers a variety of robust features designed explicitly for those industries.

6. Odoo: A highly customizable, open-source ERP that is also budget-friendly is a practical choice for small and medium firms.

7. Sage 300 (formerly Accpac): A popular financial management solution is Sage 300, which is primarily used by small to medium-sized businesses and is mainly used in Hong Kong.

Deciding on an ERP system requires careful consideration of factors including your business” specific requirements, the extent of the customization needed, the simplicity of integration with the existing systems, and the overall cost of ownership. An ERP expert or a local IT consultant can also share intelligence worth going through which is relevant to your business.