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Sergi Constance is a Barcelona? no — based in Valencia, he’s a globally recognizable bodybuilding and fitness talent with a strong visual brand, elite physique, and a polished model-forward presence. He brings built-in appeal for fitness, fashion, grooming, and lifestyle campaigns, with a look and audience that translate naturally across social content and premium brand partnerships.
Sergi Constance is a Spanish bodybuilder, fitness influencer, model, and actor. The former Mr Olympia contestant has built a huge following online with over 5 million followers on Instagram. He has a hugely engaged audience who are keen fans of his online workout content.
Weight Lifting
Spain
Has access to a professional photographer
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Sergi Constance promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Sergi Constance make a live appearance at your next event
Brands can sponsor Sergi Constance on OpenSponsorship by creating a free account, browsing Sergi Constance's profile, and sending a sponsorship proposal for social posts, appearances, or integrated campaigns. OpenSponsorship handles messaging, deliverables, and deal terms in one platform so you can connect directly with this athlete.
Sergi Constance is listed on OpenSponsorship and available for brand sponsorships. Brands can review campaign packages, audience details, and pricing on this profile, then submit a proposal to start a partnership with this athlete.
According to OpenSponsorship, estimated pricing to sponsor Sergi Constance starts at $60,000 for a social media post, $12,000 for a appearance and $144,000 for a brand ambassador campaign. Final rates depend on deliverables, usage rights, and campaign scope. Sign up on OpenSponsorship to view packages and send a proposal.
According to OpenSponsorship, Sergi Constance's audience includes 5.1M+ Instagram followers, interests including Fitness & Performance, Apparel, Accessories, Fashion, Beauty, and more, based in Valencia, Valencian Community, Spain. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

How do you measure influencer marketing ROI when half the numbers social media gives you are vanity metrics? It is the question brands ask us most, and it came up again when I joined Massimo Marinelli on the Berkida Ventures Podcast. After more than ten years and thousands of brand deals with athletes and creators at OpenSponsorship, here is how we think about it, and the framework we use with our clients.
October 28, 2026