After receiving 1:st Prize in the Queen Sonja International Music Competition 2001, Marita Sølberg worked with the Opera in Stuttgart for two years before becoming a soloist with the Den Norske Opera in 2008.
Sølberg has starred in roles like Pamina in Die Zauberflöte, Giulietta in a concert production of I Capuleti e i Montecchi, Female Chorus in The Rape of Lucretia, Nedda in Pagliacci and Antonia in The Tales of Hoffmann.
She has sung Contessa in Le nozze di Figaro, which she also has performed at La Fenice in Venice. She has also sung at major opera festivals in Salzburg and Glyndebourne.
Opera Now's critic described her debut in the role in Stefan Herheim's La bohème, for which she also received the Critics' Award: “Norwegian soprano Marita Sølberg is an unforgettable Mimì of the highest international standard.”
In 2016, she made her debut at the Royal Opera House in London, as Antonia in The Tales of Hoffmann. Later on she sang Mimì in La bohème at the Wiener Staatsoper, Pamina in Die Zauberflöte at the Los Angeles Opera, and Micaëla in Carmen in Geneva and Die Marschallin in Der Rosenkavalier.
2024 she made her debut as Cio-Cio San in Madama Butterfly at Den Norske Opera. Her performance was described as “one of the most accomplished on a Norwegian opera stage”.