About T&A Survey

T&A (Technology & Advice) Survey is an experienced, independent and technically advanced soil research agency from Amsterdam. We provide solution-oriented advice and relieve our costumers of any concerns by combining different specialties in the field of soil and water bottom research. This is how we always find the best solution for any soil problem!

"Our mission is to carry out soil surveys in a professional, efficient and safe way, always putting the interests our customers and the continuity of the working relationship first." Michiel van Oers, CEO

T&A has a multidisciplinary, pragmatic, highly educated team and has the latest geophysical measurement techniques in-house. This allows us to offer the best value for money. If unexpected problems arise during a survey, T&A solves them efficiently and expertly, making sure the consequences are minimal.

Company history

T&A was founded in 1992 by geologist Robert van Ingen. Initially T&A's main activity was project management for environmental research. T&A now has approximately 40 employees and expanded it's activities to R&D, geophysical and UXO research, (combined) archaeological investigations, research for geothermal energy, WWII aircraft recoveries and drone surveys.

Our customers

Among its customers, T&A can name all major engineering offices, building contractors, oil and gas companies, as well as regional and national authorities of the Netherlands, such as ProRail and the Department of Public Works.




For T&A survey, entrepreneurship and responisbility go hand in hand. This is why we have made it our goal to monitor and improve our efforts to reduce CO2 emission.

May 25, 2018

Processing personal data
T&A Survey processes personal details of contact persons, (potential) clients, suppliers, governmental and scientific institutions and other business contacts. We process the following personal data:

  • First and last name
  • Sex
  • Job title/profession
  • Address
  • Phone number
  • E-mail address
  • Bank account number

Purpose of personal data processing
T&A Survey processes your personal data for the following purposes:

  • Calling or e-mailing in order to carry out our services
  • Informing about changes to our services  
  • Sending newsletters
  • Delivering goods and services
  • Billing and payments
  • Inspections by the tax authorities

How long is data being stored
T&A Survey does not store your personal data longer than strictly necessary and according to the legal retention periods.

Sharing personal data with third parties
T&A Survey will not sell your data to third parties. We will only provide this information if required for the implementation of our agreement with you or to comply with legal obligations.

Visitors of our websites
The website www.ta-survey.com uses Google Analytics, a web analysis service offered by Google Inc.. Google Analytics uses cookies to help analyze how users behave on the site. The information generated by the cookies about your visit to the website (including your IP address) will be transferred to and stored by Google on servers in the United States. Google uses this information to keep track of how you use the website, to make reports on website activity for website operators and to offer other services relating to website activity and internet usage. Google may provide this information to third parties if legally obliged to do so, or if these third parties process the information on behalf of Google. Google will not combine your IP address with other data owned by Google. You can refuse the use of cookies by choosing the appropriate settings in your browser. By using this website you agree to the processing of information by Google in the way and for the purposes described above.

Marketing communication and database
To manage the contact details of our business relations, we use relationship management software. To send our digital mailings, we use e-mail marketing software. Through this software we collect e-mail statistics, which we use to improve our communication. The newsletter software offers the receipients the possibility to unsubscribe if they no longer wish to receive our newsletter.

Links to other websites
Our sites contain links to and from other websites and affiliates. If you follow a link to one of these websites, keep in mind that these websites have their own privacy policies and that we do not take any responsibility or liability for their policies. Check the policies before sending them your personal information.

View, modify or delete data
You have the right to view, correct or delete your personal data. You also have the right to object to the processing of your personal data by T & A Survey. You also have the right to data transferability, meaning you can submit a request to send a computer file with your personal data to you or to another organization mentioned by you.

Request for access to, correction, removal or transfer of your personal data, withdrawal of your consent or objection to the processing of personal data can be sent to info@ta-survey.nl. To ensure that the request has been made by you, we kindly ask you to include a copy of your ID. To protect your privacy, make your photo, MRZ (machine readable zone, the strip with numbers at the bottom of the passport), passport number and citizen service number (BSN) black in this copy. We will respond within four weeks.

You can file a complaint with the national supervisory authority, the Dutch Data Protection Authority. This can be done via the following link: https://autoriteitpersoonsgegevens.nl/nl/contact-met-de-autoriteit-persoonsgegevens/tip-ons.

How we protect personal data
T&A Survey takes the protection of your data seriously and takes appropriate measures to prevent misuse, loss, unauthorized access, unwanted disclosure and unauthorized modification. If you have the impression that your data is not properly secured or there are indications of abuse, please contact us at info@ta-survey.nl.