🍪 COOKIE PREFERENCES

We use cookies and visitor tracking to improve your experience. We identify your company from your IP address using IP2Location and Hunter.io. High-confidence identifications (≥60%) are synced to our Notion CRM.

Essential cookies and visitor tracking are always enabled. You can customize analytics and marketing preferences below.

Verticals / Two-Sided Marketplaces

Interim CMO for Two-Sided Marketplaces

Supply-side and demand-side acquisition rebuilt around liquidity and take-rate economics. For €10M–€500M GMV marketplaces. Engagements from €10,000 to €25,000 per month.

By Joris van Huët · Updated 2026-06-15

The pattern

"Marketplace supply-side CAC rose 41% between 2022 and 2024, while demand-side CAC rose 28%, compressing take-rate-adjusted contribution margin to a median of just 4.8%. The marketplaces that survive industrialise supply acquisition." — a16z 2024 Marketplace 100

Pattern 1

Supply-side CAC rose 41% (2022→2024); demand-side rose 28%. Your take-rate cannot absorb both.

Pattern 2

The chicken-and-egg problem returned at every market expansion. You need a sequenced playbook.

Pattern 3

Email, push, and in-app are owned by three different teams. The lifecycle is fragmented.

Pattern 4

Vinted, Faire, Etsy — the categories are consolidating. You either own a vertical or you compete on price.

What the engagement looks like

KPIs we manage
  • Supply liquidity
  • Demand cohort retention
  • Take-rate evolution
  • Time-to-second-transaction
  • Cross-side network effect index
  • Geographic expansion velocity
Stack we operate
  • Braze
  • Iterable
  • Klaviyo
  • Customer.io
  • mParticle
  • Segment
  • Snowplow
Channels we manage
  • Performance marketing (supply)
  • Content / SEO (demand)
  • Referral programs
  • Paid social
  • Programmatic retargeting

Recommended tier for Two-Sided Marketplaces

Engagements at €15,000–€25,000/month — Agency management through full interim CMO. Move up or down the ladder as scope changes during the mandate. The full ladder is on the homepage pricing slider.

Verifiable analogue case: Vinted's France launch — running influencer marketing from zero foothold and helping force the United Wardrobe acquisition. See the interactive CV for the verified track record.

Insights for Two-Sided Marketplaces leaders

70 articles in this vertical — TOFU (awareness), MOFU (consideration), BOFU (decision).

Dec 2025

Two Case Studies: Vertical vs Horizontal Marketplace Mandates

When to hire an interim CMO for two-sided marketplaces. Pricing, ROI, and decision criteria for €25,000/month engagements.

Dec 2025

Why the Cheapest Marketplace Interim CMO Is the Most Expensive

When to hire an interim CMO for two-sided marketplaces. Pricing, ROI, and decision criteria for €25,000/month engagements.

Dec 2025

How to Interview a Fractional CMO (Marketplace)

When to hire an interim CMO for two-sided marketplaces. Pricing, ROI, and decision criteria for €15,000/month engagements.

Dec 2025

From Series A to Series B: How Marketplace Marketing Evolves

When to hire an interim CMO for two-sided marketplaces. Pricing, ROI, and decision criteria for €20,000/month engagements.

Nov 2025

Why Your Marketplace Needs a Chief Supply Officer

When to hire an interim CMO for two-sided marketplaces. Pricing, ROI, and decision criteria for €22,500/month engagements.

Nov 2025

When NOT to Hire an Interim Marketing Leader (Marketplace)

When to hire an interim CMO for two-sided marketplaces. Pricing, ROI, and decision criteria for €15,000/month engagements.

Nov 2025

Post-Acquisition Marketing Integration for Marketplaces

When to hire an interim CMO for two-sided marketplaces. Pricing, ROI, and decision criteria for €22,500/month engagements.

Nov 2025

The Agentic Marketing Playbook for Marketplaces

When to hire an interim CMO for two-sided marketplaces. Pricing, ROI, and decision criteria for €10,000/month engagements.

Nov 2025

The ROI of a €15K/month Interim CMO Engagement (Marketplace)

When to hire an interim CMO for two-sided marketplaces. Pricing, ROI, and decision criteria for €15,000/month engagements.

Nov 2025

How to Evaluate an Interim CMO Candidate (Marketplace)

When to hire an interim CMO for two-sided marketplaces. Pricing, ROI, and decision criteria for €25,000/month engagements.

Nov 2025

How to Run a Marketplace Geographic Expansion Playbook

How Marketplaces CMOs evaluate how to run a marketplace geographic expansion playbook. Decision framework + 90-day plan from a 15-year interim CMO.

Nov 2025

When to Bring Marketplace Marketing In-House

How Marketplaces CMOs evaluate when to bring marketplace marketing in-house. Decision framework + 90-day plan from a 15-year interim CMO.

Frequently asked

Do you work with consumer marketplaces or B2B marketplaces?

Both. The frameworks transfer (supply-led growth, cross-side network effects, liquidity-first measurement), but channel mix differs. B2B marketplaces lean ABM + content; consumer leans paid + lifecycle.

How do you handle the chicken-and-egg problem in geographic expansion?

Sequenced supply acquisition, single-city launches, manual supply onboarding for the first 100 sellers, paid demand only after liquidity floor is met. Vinted-style.

Do you handle ops or only marketing?

Marketing-adjacent ops where the function crosses lines (supply success, demand retention, lifecycle). Pure ops (logistics, customer support) we hand off to specialists.

What's the minimum GMV for an engagement to make sense?

Around €10M GMV with a credible path to €30M. Below that the take-rate cannot absorb a €15,000-€25,000/month engagement; we route those founders to a fractional alternative.

Ready to discuss your Two-Sided Marketplaces mandate?

Five-minute intake, response within 48 hours. If we are a fit you have a written proposal within five business days. If not, I will say so and recommend an alternative.

START AN INTAKE