How to Pick the Right Influencer (Not Just the Biggest One)

Why This Matters

Success isn’t about the loudest voice; it’s about the voice that moves your audience. Bigger creators often cost more and engage less. Here’s the data to prove it.

1. Tier Cheat-Sheet

  • Nano - under 10 k followers. Trusted-friend vibe, hyper-niche reach.

  • Micro - 10 k - 100 k. Loyal community, strong engagement.

  • Mid - 100 k - 500 k. Good reach + credibility.

  • Macro - 500 k+. Mass reach, culture driver.

2. Average 2025 Instagram Engagement Rates*

  • Nano ≈ 1.7 %

  • Micro ≈ 1.5 %

  • Mid ≈ 1.2 %

  • Macro ≈ 1.0 %

*Sources: HypeAuditor Q1 2025 & Sprout Social 2024 industry medians.

3. Typical Creator Fees (GBP)

Instagram single post

  • Nano £80-£150

  • Micro £200-£600

  • Mid £1 k-£3 k

  • Macro £4 k +

Instagram Reel

  • Nano £100-£200

  • Micro £300-£900

  • Mid £1.5 k-£4 k

  • Macro £6 k +

Cost per engaged user usually bottoms-out in the micro tier.

4. When Each Tier Shines

Macro works when you need:

  • National or global awareness fast.

  • A £10 k+ launch budget.

  • Mass-appeal products (soft-drinks, sports events, blockbuster apps).

Micro/Nano wins when you need:

  • Niche or regional targeting.

  • Authentic UGC to reuse in ads.

  • ROI on sub-£5 k monthly spend.

5. Five-Step Decision Flow

  1. Set the objective - awareness, sales, content, or a mix.

  2. Confirm total budget - creator fee + product + boosts.

  3. Match audience fit - demographics and past sponsored posts.

  4. Model cost per result - compare one macro post vs. a bundle of micros.

  5. Pilot, measure, scale - double-down on the cohort that outperforms.

Bottom Line

Smaller creators often cost less per action and feel more authentic. A blended roster - one hero macro plus a squad of micro voices can give you reach and relevance without blowing the budget.

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Data-Backed Creative Briefs: Turning Numbers into Ideas