In 2023, Sophie van der Welle launched an investigative podcast series that delves into unsolved cases and systemic issues within Dutch society. The series has been praised for its depth and engaging storytelling.

In 2021, Sophie van der Welle led an investigation into the Dutch government's response to the COVID-19 pandemic. Her reporting highlighted critical issues in crisis management and influenced public discourse on health policy.

After her stint in Brussels, Sophie van der Welle returned to the De Telegraaf headquarters in Amsterdam in 2020. She resumed her role as a senior political correspondent, focusing on national political developments and investigative journalism.

Sophie van der Welle was appointed as a foreign correspondent in Brussels in 2018, where she covered EU politics and international relations. Her reports provided Dutch audiences with in-depth insights into European Union dynamics.

In 2017, Sophie van der Welle published her first book, a non-fiction work detailing the intricacies of Dutch political machinations. The book was well-received and solidified her reputation as an expert on political affairs.

Sophie van der Welle was awarded the prestigious De Tegel award in 2015 for her investigative reporting on corruption within the Dutch healthcare system. Her work brought to light significant issues and prompted policy changes.

In 2013, Sophie van der Welle broke a major political scandal involving misuse of public funds by a prominent Dutch politician. Her investigative work led to significant political repercussions and showcased her ability to uncover complex stories.

Sophie van der Welle began her career at De Telegraaf in 2010, joining the newsroom as a junior reporter. Her early work focused on local news and human interest stories, quickly establishing her as a diligent and insightful journalist.