Sponsorship cross-promotion helps in allowing the promotional message to reach a larger audience.
Cross-promotion is a marketing strategy that's vital in improving the brand in a cost-effective way. It's also vital as it helps one to build relationships with the top names that are in the industry.
Sponsorship cross-promotion also helps improve public relations and brand mentions. Sponsorship cross-promotion taps into the marketing assets that are owned by the participating partners and this enables the promotional message to reach a bigger audience.
There, since your question is incomplete, any option that is different from the above reasons will be a disadvantage.
In conclusion, sponsorship cross-promotion helps improve the revenue of the companies.
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