Welcome to dataresources from effective technology marketing ltd established in 1987, where you will find details of key business, company, market research and technological information resources and specialist data. 

We represent the leading international publishers Asia Pacific Infoserv,  Dun & Bradstreet, and ELC to provide an international collection of information and expertise across a wide subject spectrum. 


New 2017 Titles  -   



D&B Who Owns Whom 2016/17

Your direct access to the corporate structure of 3.5 million businesses worldwide.

Covering the entire range of business ownership, from the smallest to the very largest corporate groups, Who Owns Whom is a comprehensive reference tool that can be used to greatly enhance international business opportunities.






D&B Business Registers 2016/17

Your opportunity to make thousands of new business contacts with minimal risk!

If you want to find new customers easily and gather instant facts about local businesses without the fuss of lengthy research, then choose a D&B Business Register.

D&B Business Registers are available in 38 easy-to-use regional directories each detailing approximately 20,000 businesses in your chosen target area. The entire series provides intelligence on a total of nearly 2 million business locations across the whole of the UK and the Republic of Ireland for less than 1 penny per lead!






D&B Key British Enterprises 2017

Your most extensive and reliable guide to the UK's top 50,000 companies since 1961 !

D&B's Key British Enterprises provides you with the most reliable, comprehensive, accurate, up-to-date and impartial information on the UK’s top 50,000 companies.

This multi-volume, leading business directory, consists of 3 volumes of alphabetical UK company listings and a 4th volume packed with cross-referenced indexes and company rankings.






Europe's 15,000 Largest Companies 2017

an essential reference source for corporate research departments, or academic, business and public libraries.

ELC International are pleased to announce the publication of the 39th edition of Europe’s 15,000 Largest Companies (the Black Book) - published in a convenient one volume.

The Directory lists the 500 most profitable companies, the 500 largest ranked on employee numbers and the 500 largest ranked on sales. The publication is completed by an extensive trade index as well as an alphabetical index with full contact details for each company.