High-quality leads are the starting point for all your sales and marketing campaigns. With Ad Hoc Data, you have access to the most complete business directory database of 3.6 million companies in the Netherlands. Select your target audience in a few steps and download immediately a complete business listing that is readable in Excel.


A carefully built business listing determines the success of your marketing campaigns, acquisition, and market research. Ad Hoc Data makes it possible to select only those companies that are relevant to you. When the selection is complete, you can immediately download a complete business listing that includes information such as the company name, location details, e-mail addresses and the name of the contact person. Ad Hoc Data offers this high-quality data at a competitive price. Save yourself time and money in finding new customers and discover the possibilities of our tool.
Manually collecting and updating customer and prospect files is a time-consuming and error-prone process. Fortunately, with Ad Hoc Data, this is a thing of the past. Because we use various sources, you compile your business listings with an extensive set of company-specific characteristics such as: Industry, number of employees, legal form, region, founding date, energy labels and much more. Since you know better than anyone else who your target audience is, you can immediately start exploring your market without any obligations. Do you have no specific target group in mind yet, or don't know where to start? Read how to find your B2B audience segmentation, or get in touch with one of our advisors for a consultation, free of charge. We are happy to think with you.


With our online tool, you can explore the market and make counts within your target audience for free. The tool immediately adjusts the number of hits based on your filters like industry, company size, region or legal form. There are more than 130 filters available to refine your business listings. The filters are easy to use because our business database contains information about over 3.5 million companies. For example, the filters allow you to select all the contractors in the province of Utrecht with more than 20 employees. The possibilities are endless, and access to the business database is granted with just a few clicks.
Once you’ve selected your target audience, you can instantly download the business listing to Excel. For just 8 cents per record, you'll receive a dataset with the available contact details of the companies you've selected. Need specific contact information? You can easily filter for the details that matter most to you. Are Sales and Marketing campaigns an ongoing part of your strategy? Then a subscription might be a more cost-effective solution. Starting from just €55 per month, you can download 2,500 business listings every month at no additional cost.
Many companies have customers in both the Netherlands and Belgium. In addition to our Dutch business database, we offer access to business leads from Belgium, which makes your target group almost twice as large. Do you want to expand your customer base in Belgium? Or do you want to cross the border? Have a look at our Belgian lead list.
Now that you have accurate, high-quality business leads of potential new customers, you can start using this valuable information to get in touch with the companies. Get started with acquisition by phone, e-mail marketing or postal mailings. All the necessary information for each type of campaign is included in the export.

Interested in purchasing a business directory or learning more about our company data? Below you'll find the most common questions about Chamber of Commerce (KVK) files and our selection tool. Also check our FAQ.
The experiences of our customers with Ad Hoc Data
Nice company
Very nice company, very good service!
Does as it promises
Company does what they promise. Price wise also good. Good follow-up and respectful. Especially if you cancel (for other reasons). Handle it well. If we need them again as a company, it will definitely be with them.
Good experience
Very good experience with Ad Hoc Data, reliable and humane company.