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Discover popular YouTuber and Sidemen member KSI’s net worth in 2025, including his income on YouTube and other ventures.
JJ “KSI” Olatunji is a familiar name in the YouTube industry, as the YouTuber is one of the veterans on the platform. He went viral on YouTube for his public interview videos and appearance alongside the Sidemen. KSI started uploading on YouTube in 2009 with FIFA commentary videos. According to the Celebrity Net Worth website, KSI’s net worth in 2025 is estimated to be over $100 million. JJ is considered one of the pioneers in the content industry.
JJ has several sources of income, including his YouTube income from his own channel and the Sidemen channel. The YouTuber has also diversified into music and business ventures. JJ promotes Prime Hydration alongside fellow YouTuber Logan Paul, who have roped in various high-profile personalities. His music career is also booming, with his song ‘Thick Of It’ getting nominated for the BRIT awards. He owns a part of the equity in the Sidemen’s YouTube empire, including their business ventures. Recently, the Sidemen sold out the Wembley stadium for their charity match.
Thank you to everyone who queued and bought tickets! Grateful is an understatement. If you didn’t manage to get tickets, you can join us on the Sidemen channel for the stream. See you in 2025! 🤍⚽️ pic.twitter.com/sIjaEqqRjB
— Sidemen (@Sidemen) November 18, 2024
KSI has also previously mentioned that he rents out properties across the United Kingdom. This real estate investment earns him over £13 million or $16.75 million annually. Another one of his successful business ventures includes the Misfits Boxing promotion. KSI is the CEO of Misfits Boxing promotion. He co-owns Misfits with his manager, Mams Taylor, and the Sauerland brothers. He has a professional boxing record of six fights and four wins under his belt. Lunchly is another one of his ventures that rakes in a lucrative sum and is co-owned by Logan Paul and MrBeast.
How Does KSI Spend His Money?
KSI spends a fortune on investments and has gained notoriety for his cryptocurrency fiascos. For those unaware, KSI reportedly lost over £6 million or $7 million in crypto during the COVID-19 lockdown. The YouTuber has spent a fortune on his cars which include a Porsche 718 Boxster, a Porsche Cayenne, and a Tesla Model X. The YouTuber owns multiple houses across England which cost him over £10 million or $12 million. He also walked out in a Lamborghini during his fight against Tommy Fury.
KSI and the Prime Lamborghini he walked out in to his fight 🤩🔥 pic.twitter.com/pQCyKAyES6
— KSI NEWS (@ksinews_) October 18, 2023
He invested in the Fellas studio founded by fellow UK YouTubers Cal Freezy and TheBurntChip. He also owns equity in Callux’s footwear brand Notwoways. The sidemen reportedly earn over $50 million across their YouTube channels, excluding the business ventures. KSI also creatively helps the Sidemen with their viral YouTube videos, including the popular Sidemen Tinder in Real Life.
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