Accounting, finance and banking services are focused on providing/investing capital and properly recording the exchange of money. Investment and venture capital specialists are included in this group.
Advertising and marketing services providers assess clients needs, develop strategies to reach markets, create branding plans, design advertisement schemes and deliver marketing media. List brokers are included in this category. Public relations.
Legal services consist of lawyers, law firms, and providers of services related to intellectual property (e.g., patenting, licensing, and trademarking), incorporation, contract development, law suits, and other legal matters.