Business Research Tools for Uncovering Facts about Companies

business research

Following are websites that provide research on business and company information.  Private investigators land cases that involve investigating the activities of a business almost as often as they do for individuals. A number of internet websites can guide you in your search for company information. Information available on these sites include: links to company websites, business contact information, research tools, and company news.

One of the best places to start your research is Dun & Bradstreet. D&B is a leading provider of global business information, data, tools and insight. is an online source for the analysis of world business and current affairs, providing authoritative insight and opinion on international news, world politics, business, finance, science and technology, as well as overviews of cultural trends and regular industry, business and country special reports.

U.S. Securities & Exchange Commission EDGAR Database – All companies, foreign and domestic, are required to file registration statements, periodic reports, and other forms electronically through EDGAR. Anyone can access and download this information for free. Here you’ll find links to a complete list of filings available through EDGAR and instructions for searching the EDGAR database.

Patents and Trademarks

Free Patents Online – provides fast, easy-to-use access to millions of patents. Attorneys, inventors and private detectives use this data for patent searching. Private detectives and researchers use it to keep up on the latest developments in their field. CompuMark is the world leader in trademark and copyright services. Thomson & Thomson offers intellectual property research products and services that have gained an unmatched reputation for reliability, accuracy and comprehensiveness.

Business Databases and Directories

To look up information on specific companies, we recommend using Hoover’s Online. Hoovers has an extensive database of millions of companies, with in-depth coverage of 40,000 of the world’s top business enterprises. Hoover’s editorial staff and researchers bring vital business information and knowledge to their coverage, updating the site daily to bring our visitors and subscribers the most up-to-date business information in the industry.

Also, check out the Tech Expo Directory of Hi-Tech Information for information on technology-related corporations. Yellow – Yellow pages and shopping directory.

Valuecom – USA Business, Real Estate, Community Directory – The Valuecom directory includes real estate services, apartments, any type of business, community information, for sale by owner listings, and lengthy essays providing information and history for every state in the USA.

Company Information from an Investment Perspective

  • InvestorGuide – The company offers a wide range of services to help individuals with their finances and investments
  • Motley Fool – The Motley Fool champions shareholder values and advocates tirelessly for the individual investor.
  • – A leading financial media company whose network of Web sites serves as the premier online destination for all areas where money and life intersect.


  • Financial Times – Financial news, articles and company profiles.
  • Yahoo! Finance – Extensive financial information, news, and research on public companies.


Business magazines provide small business owners, such as private investigators, a wealth of information on running a small business.  Learn how to make your business more successful by reading stories from business experts and other small business owners.  Business magazines can help you stay in touch with the latest trends, technologies and products to help run your private investigation agency. Following are some of the hottest business magazines from

Wired Magazine – WIRED magazine writes about the latest stories from technology, the business world, the political environment, and hot new product trends. A great way to stay in touch with what is going on in business tech.

Entrepreneur Magazine – Entrepreneur magazine provides information for small business owners and aspiring entrepreneurs. It provides articles that focus on technology, business management, marketing, business strategy and the latest trends. If you’re thinking about starting a small business, this mag is packed with great ideas, inspiration, and even franchise opportunities to help get you started. A great mag for private eyes who are thinking of starting or expanding their business or franchise.

Forbes – Forbes magazine is generally considered the ultimate business magazine. It is geared more toward upper level management and talks about major issues affecting business and corporations. However, even small business owners can learn from the insightful articles, research, and data in this publication. It touches on just about every area and issue that affects businesses of all sizes and is a great publication. The perfect mag for private eyes who need to learn about the latest trends in corporate America.

Fast Company Magazine – Fast Company is a business magazine that focuses on the fast pace of business, innovation, and information.

Inc. – Inc. Magazine is the only major business magazine edited exclusively to guide CEOs and owners of small-to-midsize companies to success. Inc. provides fresh, insightful analyses to give the major players in the business world the tools they need to excel. Each issue, written by managerial gurus and experts, utilizes real life examples of strategies, case studies, and successes and failures edited specifically to illuminate new ways in which its readers can benefit. Big and small organizations alike turn to Inc. to make sense of ever-changing business world.

Read this article on Business Background Checks.

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