What is influencer marketing?
Influencer marketing is a marketing approach where brands partner with people who have built an engaged community on social media — known as influencers or content creators. Those creators produce content that introduces, tests or recommends products, using their reach and credibility to shape their followers' purchase decisions. The term "influencer" describes people regarded as opinion leaders within a specific niche. According to the Influencer Marketing Hub Benchmark Report (2025), the global influencer marketing industry has grown to over USD 24 billion — up more than 35% year on year. For small and mid-sized businesses, micro-influencers (1,000–50,000 followers) offer a cost-efficient way to reach niche audiences with precision.
Types of influencer
| Tier | Follower count | Typical traits | |---|---|---| | Nano-influencer | 1,000–10,000 | Highest engagement rate, very personal, often free or product-only | | Micro-influencer | 10,000–50,000 | Niche expertise, high credibility, moderate cost | | Mid-tier | 50,000–500,000 | Professional content, solid reach, established rates | | Macro-influencer | 500,000–1M | Broad reach, less personal, higher cost | | Mega / Celebrity | 1M+ | Maximum reach but lower authenticity |
Influencer marketing for small businesses
Small businesses should lean on micro- and nano-influencers:
- Lower cost: Partnerships from USD 200–500 or product-only deals
- Higher engagement: Nano-influencers hit up to 5% engagement rate vs. ~1% for mega-influencers
- Local relevance: Regional influencers reach exactly the right audience
- Authenticity: Recommendations feel more credible than celebrity endorsements
Pair influencer content with publy.ch
Influencer collabs are one piece of the social strategy. For everyday content between campaigns, publy.ch supports small businesses with AI-generated on-brand content — keeping the social presence consistent even without a permanent influencer budget.