Complete influencer marketing playbook covering identification, outreach, contracts, compliance, and ROI measurement across platforms.
| Tier | Followers | Engagement Rate | Cost Range | Best For |
|---|---|---|---|---|
| Nano | 1K-10K | 4-8% | $50-500/post | Niche communities, authenticity |
| Micro | 10K-100K | 2-5% | $500-5K/post | Targeted reach, high trust |
| Mid | 100K-500K | 1.5-3% | $5K-25K/post | Scale + engagement balance |
| Macro | 500K-1M | 1-2% | $25K-75K/post | Brand awareness campaigns |
| Mega | 1M+ | 0.5-1.5% | $75K-500K+/post | Mass reach, cultural moments |
Rule of thumb: Micro/nano influencers deliver 60% higher engagement per dollar than macro. Start there.
Discovery sources:
Vetting checklist:
See references/vetting-scorecard.md for the full evaluation template.
Cold DM/email template:
Subject: Collab idea — [specific thing you liked about their content]
Hi [Name],
Loved your [specific post/video] about [topic] — especially [detail].
I'm [Name] from [Brand]. We [one-line what you do].
We'd love to partner on [specific idea, not vague]. Thinking:
- [Deliverable 1]
- [Deliverable 2]
Compensation: [range or "happy to discuss"]. Would you be open to a quick chat?
[Name]
Key principles:
Every influencer agreement must cover:
| Clause | What to Specify |
|---|---|
| Deliverables | Exact formats, quantities, platforms |
| Timeline | Draft due, revision window, publish dates |
| Usage rights | Where you can repost, for how long (6-12 months typical) |
| Exclusivity | Category exclusivity period and scope |
| Payment terms | Amount, schedule (50/50 or net-30), kill fee |
| Content approval | Number of revision rounds, turnaround time |
| FTC/disclosure | Required disclosure language and placement |
| Performance bonus | Optional: bonus for exceeding KPI thresholds |
| Termination | Exit conditions for both parties |
See references/influencer-contract-template.md for a starter agreement.
Brief sent → Creator drafts (5-7 days) → Brand reviews (48h) →
Revisions if needed (1-2 rounds max) → Final approval → Publish on agreed date
Approval guidelines:
See references/creative-brief-template.md for the full document.
FTC (US):
EU (GDPR + national laws):
Platform-specific:
For every campaign, set up:
UTM link: ?utm_source=influencer&utm_medium=[platform]&utm_campaign=[creator-name]
Promo code: [CREATORNAME15] — unique per influencer
Affiliate: Platform-specific tracking link (Impact, PartnerStack, etc.)
Attribution tracking:
| Platform | Content Type | Best Approach |
|---|---|---|
| Reels, Stories, carousels | Visual storytelling, lifestyle integration | |
| TikTok | Short-form video | Trend-native, authentic, less polished |
| YouTube | Long-form, Shorts | Deep reviews, tutorials, integrations |
| Posts, articles, video | Thought leadership, B2B credibility |
| Metric | Awareness | Consideration | Conversion |
|---|---|---|---|
| Impressions/reach | ✓ | ||
| Engagement rate | ✓ | ✓ | |
| Saves/shares | ✓ | ||
| Link clicks | ✓ | ✓ | |
| Promo code uses | ✓ | ||
| Revenue attributed | ✓ | ||
| CAC vs other channels | ✓ | ||
| Brand lift (survey) | ✓ | ✓ |
| Factor | One-Off | Ambassador (3-12 months) |
|---|---|---|
| Trust built | Low — feels like an ad | High — repeated endorsement |
| Cost efficiency | Higher per-post CPM | Lower CPM, volume discounts |
| Content quality | Variable | Improves over time |
| Best for | Product launches, testing | Brand building, sustained growth |
Ambassador program structure:
See references/ambassador-program-framework.md for the full playbook.