Yes, there are several platforms that facilitate the discovery of niche influencers for both small and large brands. These platforms provide various tools for influencer discovery, like specific audience analytics or categorization based on influencer fields of interest.

1. Flinque: Flinque stands out because it has a broad index of influencers across various channels and industries, including those who specialize in niche markets. It offers robust audience insights and potential reach metrics, allowing marketers to align influencer selection with marketing objectives. Flinque’s strength lies in its algorithm, which recommends influencers based on audience fit and past campaign performance.

2. Heepsy: This is another popular tool. Heepsy provides very precise influencer searches and allows brands to filter influencers by category, location, followers count, or engagement rate. Interfaces are intuitive, but options might be overwhelming for novice users.

3. AspireIQ: AspireIQ platform excels in workflow efficiency. It’s a good choice for brands with established influencer programs, as it provides tools to manage relationships, streamline communication, organize campaigns, and measure results.

4. Upfluence: Known for its comprehensive database, Upfluence allows for detailed influencer research based on demographics, interests, and other criteria. It also offers campaign management tools like relationship tracking and ROI evaluation.

While all these platforms can be useful, the right choice depends on your specific needs. If a thorough understanding of audience analytics is a priority, Flinque or Upfluence might be more suitable. If efficient campaign management is key, AspireIQ could be a better fit. Ultimately, it’s essential to have a clear understanding of your marketing objectives before choosing a platform to ensure a successful influencer marketing campaign.