How I can help you

Business Broker - Franchise Consultant - Certified Business Intermediary

I can work with you on all aspects of business operations, as well as topics surrounding solar and renewable electric power generation. 

My primary experience is growing, buying, and selling businesses for owners and entrepreneurs. I currently work as a business intermediary and senior business broker with Transworld Business Advisors in the Tampa Bay and Central Florida markets. I also work as a franchise consultant and international real estate specialist.

I have founded, grown and sold businesses on three continents, including Sovereign Advisory Group LLC, and Environmental Equipment Services (EES). EES represents world leaders in manufactured products such as heat exchangers, emission control equipment, and cooling towers for coal and gas fired electric power plants, nuclear power plants, refineries, and chemical plants. 

In Germany, Turkey, South Africa, and the USA, I have served as a CEO/CFO with extensive P&L experience in international business, sales, marketing, business development, mergers and acquisitions, operations, project management, finance accounting and risk management.

I'm a board member of the German American Chamber of Commerce, Florida Chapter, Chinese Chamber of Commerce of Tampa Bay, and Secretary of the Tampa Bay Rotary Club.

Areas of Expertise

  • Business Finance & Accounting
  • Sales, Marketing & Public Relations

Industry Experience

  • Manufacturing & Industrial
  • Professional & Business Services


B.A., Business Administration, University of Pforzheim, Germany


Licensed Business Broker, Florida Real Estate License, Florida Public Notary, Master Mentor, Certified Behavioral Coach, Certified Networker, Score Counselor

Member of the Board German American Chamber of Commerce 

Mamber of the Board Central Pinellas Chamber of Commerce  

Secretary of Tampabay Interbay Rotary club.

Rainer H Harteneck

Communication Methods

  • In Person