There are multiple definitions - click on the translation that matches your context.

aumentar o preço

verbo

full

mark up

phrasal verb

Definitions of mark up

to write notes or corrections on a document

The solicitor should mark up the brief of documents and make a list of comments and questions for counsel.

to increase the price of something, often expressed as a percentage

The Montrose Partnership marked up the price of land on some sites by 6300%.