NN Group N.V. is the parent company of NN Investment Partners and Nationale-Nederlanden. Nationale-Nederlanden is one of the largest insurance and asset management companies in the Netherlands. NN Group is headquartered in The Hague, its office in Rotterdam is located in the skyscraper Gebouw Delftse Poort, which was the tallest skyscraper in the Netherlands until 2009. Aside from these two offices, the company has an office in Ede but no other main offices in the Netherlands, instead NN mainly relies on independent intermediaries for selling insurance.
On 23 December 2016, NN Group reached an agreement to acquire competitor Delta Lloyd Group for 2.5 billion euro. NN has completed the sale of NN Investment Partners to Goldman Sachs for around EUR 1.7 billion in April 2022.Wikipedia