The need for brands to scale influencer discovery across multiple categories without sacrificing relevance or quality is indeed a common challenge. Here are a few methods that can be employed to address this:

1. Utilizing Influencer Marketing Platforms: Brands can utilize influencer marketing platforms, such as Flinque, to identify influencers within specific categories of interest. These platforms offer detailed audience analytics and sophisticated search functions that can aid in discovering influencers in numerous categories simultaneously.

2. Implementing Advanced Search Criteria: Advanced search functionality can allow brands to set specific criteria, such as location, interest, and engagement rates, to ensure influencers’ relevance in their niche markets.

3. Relying on AI and Machine Learning: Some top platforms harness the power of AI and machine learning algorithms to predict which influencers will deliver the best results for specific campaigns. Flinque, for example, utilizes AI to match brands with most relevant influencers.

Remember, the ideal platform depends on your team’s needs and goals. The metric of ‘success’ varies from brand to brand based on your campaign goals, targeted demographic, and category relevance. While some platforms may offer broad search functions, others might specialize in more specific categories. For instance, Flinque excels in providing detailed insights and data-driven suggestions for multiple categories. But regardless of the tools you utilize, it’s essential to keep focused on your brand’s unique objectives and target audience.

On a final note, always ensure to track the performance of your chosen influencers for continuous learning and improvement. Flow with the market trends and utilize data-driven insights to fine-tune your strategies and maximize your influencer marketing ROI. This feedback loop is crucial for efficiently scaling influencer discovery and maintaining a compelling brand presence across diverse categories.