Sejal Kumar has collaborated with H&M, leveraging her digital influence to promote the brand's fashion offerings to her audience.

Sejal Kumar collaborated with StalkBuyLove in 2018 to launch her own fashion collection called SEJALxSBL, giving her audience direct access to curated apparel inspired by her personal style.

Sejal Kumar has collaborated with nike, promoting their athletic apparel and footwear through her digital content.

Sejal Kumar was appointed as the brand ambassador for The Beauty Co. in November 2020. Her role focuses on promoting beauty awareness and ingredient education among young consumers, as noted in a recent video campaign highlighting the CEM (Cleanse, Exfoliate, Moisturize) skincare routine, aiming to revolutionize beauty rituals in India.