Marketplace Launch Plan

When to Use This Skill

Use this skill when you need to:

• Plan the launch strategy for a two-sided marketplace
• Solve the chicken-and-egg problem of supply and demand seeding
• Design trust-building features for a new platform
• Create growth mechanics that drive organic marketplace expansion

DO NOT use this skill for single-sided e-commerce stores, SaaS product launches, or existing marketplace optimization. This is for new two-sided marketplace launches.

Core Principle

A MARKETPLACE LAUNCH IS A SEQUENCING PROBLEM — YOU CANNOT LAUNCH BOTH SIDES SIMULTANEOUSLY. SEED THE SUPPLY SIDE FIRST, THEN ATTRACT DEMAND WITH PROOF OF QUALITY.

Phase 1: Brief

Required Inputs

GATE: Confirm the brief before building the launch plan.

Phase 2: Supply Seeding Strategy

Step 1: Define Minimum Viable Supply

Determine the minimum number of sellers/providers needed to deliver a good buyer experience:

• Services marketplace: 15-25 providers in your launch market
• Product marketplace: 50-100 listings across core categories
• Rental marketplace: 20-30 listings in your launch geography

Step 2: Recruitment Tactics

Step 3: Founding Seller Program

Offer early sellers unique benefits:

• Zero commission for first 3-6 months
• "Founding Seller" badge and priority placement
• Direct access to the founder for feedback and support
• Input on platform features and policies
• Guaranteed promotional spotlight in launch marketing

GATE: Confirm supply strategy and targets before planning demand.

Phase 3: Demand Generation and Launch

Pre-Launch (4-6 weeks before)

• Build a landing page with email capture
• Share behind-the-scenes content on social media
• Partner with 2-3 influencers or community leaders in your niche
• Collect testimonials from founding sellers about why they joined

Launch Week Plan

Trust-Building Features for Launch

• Verified profiles — ID or credential verification for sellers
• Review system — Buyer reviews visible on seller profiles
• Secure payments — Escrow or payment protection
• Dispute resolution — Clear process visible before first transaction
• Guarantees — Money-back or satisfaction guarantee for early transactions

Growth Mechanics

• Referral program — Both sides earn credit for inviting others
• Network effects — More sellers = better selection = more buyers = more sellers
• Category expansion — Launch tight, expand categories as liquidity proves out
• Geographic expansion — Master one market before expanding

Phase 4: Polish

1. Marketplace Health Metrics

## Launch Metrics to Track

- **Supply:** Active sellers, listings per seller, new seller signups per week
- **Demand:** Active buyers, searches, purchase intent signals
- **Liquidity:** % of listings that result in a transaction
- **Match rate:** % of buyer searches that find a relevant listing
- **Time to first transaction:** Average days from seller signup to first sale
- **Repeat rate:** % of buyers who transact more than once

2. Launch Risk Mitigation

3. Quality Checklist

## Marketplace Launch Checklist

- [ ] Minimum viable supply target defined and met
- [ ] Founding seller program launched with clear benefits
- [ ] Trust features live: reviews, verification, payments, disputes
- [ ] Landing page and waitlist collecting emails
- [ ] Launch week calendar planned day by day
- [ ] Demand generation channels identified and content prepared
- [ ] Growth mechanics designed (referrals, category expansion)
- [ ] Marketplace health metrics defined and tracking set up
- [ ] Risk mitigation plan documented for top 5 launch risks
- [ ] Post-launch weekly review cadence set

Example

Marketplace: Local freelance design services (connecting small businesses with local designers) Scope: One city Model: 15% commission

Supply target: 20 designers with portfolios live before opening to buyers

Founding designer offer: "Join as a founding designer — 0% commission for your first 6 months, a 'Founding Designer' badge on your profile, and priority placement in search results. We are only accepting 20 designers in [city] to start."

Anti-Patterns

• Launching both sides simultaneously — seed supply first. A marketplace with no listings is worthless to buyers.
• Going too broad too fast — "We connect everyone to everything" fails. Start with one category in one market.
• No trust features at launch — without reviews, verification, or payment protection, users will not transact on an unknown platform.
• Subsidizing both sides indefinitely — incentives to build supply are necessary, but must have an end date.
• Ignoring liquidity — 1,000 listings with 0 transactions is worse than 50 listings with 10 transactions. Focus on match rate.

Recovery

• Cannot recruit enough sellers: Offer to create listings for them (white-glove onboarding). Remove every friction point in the signup process.
• Buyers visit but do not transact: The supply is not compelling enough or trust is missing. Improve listing quality and add buyer protection.
• Both sides are growing but no transactions: The matching mechanism is broken. Improve search, recommendations, or manually introduce buyers to sellers.
• Sellers leave after launch incentives end: The marketplace is not generating enough value. Focus on driving more demand before ending subsidies.