Marketplace business ideas that make money
Two-sided platforms that connect buyers and sellers and take a cut โ the model, the money moment, and the take rate for each real company. GMV is labelled where it is GMV; revenue is what the platform kept.
40 real companies ยท every number links to the page that reports it ยท re-checked, every change logged
- 1
Taxes buyers, not sellers. Free listing grows supply, supply grows demand โ liquidity fee-charging rivals can't match.
Seller lists an item โ free, unlimited, no seller fee โ Buyer browses a deep, liquid catalog and checks out โ Buyer pays a Buyer Protection fee on top โ Vinted's main revenue
The catch Most revenue is one fee buyers love to hate.
Read the full teardown โ - 2
Holds no inventory. 23M users list and buy; Mercari keeps 10% per sale, then adds payments and ads on top.
Seller lists an item free in under a minute โ Buyer pays in-app; Mercari escrows the cash โ On sale, Mercari keeps 10% plus shipping and payment fees
The catch GMV growth has stalled in a maturing Japan.
Read the full teardown โ - 3
A flat fee per order plus free equity delivery undercut percentage brokers; options volume at scale yields 55% margins.
Trader opens a free account; equity delivery costs nothing โ Options cost a flat Rs. 20 per executed order; intraday and futures cost 0.03% or Rs. 20, whichever is lower (about $0.24) โ Millions of daily orders yield $1B revenue at 55%+ margin
The catch Most revenue is retail F&O; SEBI now curbs it.
Read the full teardown โ - 4
Buyers pay flat monthly subscriptions; contributors get a royalty. Shutterstock keeps the spread on stock it never shot.
Contributors upload photos, video, music โ Buyers pay monthly subscriptions to license โ Shutterstock keeps the spread, pays creators a royalty
The catch AI image generators undercut paid stock.
Read the full teardown โ - 5
AI trained on millions of orders prices any custom part in seconds; rivals still quote by email.
Buyer uploads a CAD file; AI quotes a price and lead time in seconds โ Xometry routes the job to a matched shop, which makes and ships the part โ Buyer pays the quoted price; Xometry pays the shop less, keeping a 34.7% margin
The catch Thin 34.7% cut; still a net loss.
Read the full teardown โ - 6
Feeds, follows and Posh Parties turn one-time resale into a social habit; buyer retention topped 104%.
Seller lists closet items free โ Buyers discover via feed and Posh Parties โ Sale closes - Poshmark keeps 20%
The catch Never profitable; heavy marketing spend.
Read the full teardown โ - 7
It out-executed same-era rival Fotocasa on listing quality and trust โ now valued about 20x higher.
Buyers browse and private sellers list, free โ 40,000+ agencies pay monthly to list and win leads โ Agency subscriptions = about 75% of revenue
The catch Liquidity is local; each market restarts.
Read the full teardown โ - 8
Distribution centers that photograph, price and ship 230M+ one-off used items โ logistics P2P rivals refuse to build.
Sellers ship Clean Out Kits; most items get pennies or recycling โ ThredUp photographs, prices and lists each item single-SKU โ Buyer pays; ThredUp books the sale net of a small payout
The catch Still net-loss-making after 15 years.
Read the full teardown โ - 9
Owns the bidding rails thousands of auction houses depend on, and the bidder demand they can't aggregate alone.
Auction houses list lots on ATG's ten marketplaces โ Global bidders bid online and win lots โ ATG takes commission on each lot won, plus payments and shipping fees
The catch GMV tracks cyclical art and surplus spend.
Read the full teardown โ - 10
Cannabis sellers are banned from Google, Meta and Yelp ads, so Weedmaps became the one place buyers and sellers meet.
A dispensary can't run ads on Google, Meta or Yelp โ It lists on Weedmaps and buys placement plus storefront tools โ It pays Weedmaps every month to stay visible to nearby buyers
The catch Revenue has fallen two years straight.
Read the full teardown โ - 11
Only sellers pay: 217K of 7M+ suppliers fund the whole marketplace while 200M+ buyers browse free.
200M+ buyers browse free โ Inquiries flow to sellers โ Sellers prepay yearly subs
The catch Paying base flat; growth from price hikes.
Read the full teardown โ - 12
Free to start pulled in millions of tiny sellers Rakuten priced out; BASE earns a cut of every sale.
Seller opens a free BASE shop in minutes โ Seller lists products; buyers check out โ BASE takes about 6.6% of each sale
The catch Tiny sellers churn; GMV per shop stays low.
Read the full teardown โ - 13
Brokers built it in 1998 and fed it every listing. Private equity later bought control and made the sellers pay.
Broker uploads a home to Hemnet โ Seller buys reach: base fee plus premium tiers โ Hemnet books the fee; ARPL rises yearly
The catch One country, one housing cycle.
Read the full teardown โ - 14
Paid experts vet every lot, so buyers trust it enough to pay a 21.5% combined take in a market full of fakes.
Seller submits a special object to auction โ An in-house expert vets, prices, and lists it โ It sells - Catawiki takes 12.5% + a fixed fee from the seller, plus a 9% + โฌ3 Buyer Protection fee from the buyer
The catch Experts scale linearly; margins stay thin.
Read the full teardown โ - 15
Free built-in escrow lets strangers wire $50K for a used watch across 150 countries without fear of fakes.
Sellers list watches free; buyers browse 500,000+ of them โ Chrono24 holds the money in escrow until the watch arrives โ free โ 6.5% commission on a private sale; dealers pay rent plus an undisclosed cut
The catch Dealers could bypass; GMV swings with prices.
Read the full teardown โ - 16
Eleven years of startup raises built a 1.79M-investor list. Selling that list pre-IPO stakes now pays 79% of revenue.
1.79M people sign up free to browse startup raises โ StartEngine buys shares of late-stage private companies โ Sells stakes in those funds to accredited users: $86.6M
The catch 79% of revenue sits in one product line.
Read the full teardown โ - 17
Free to list, so supply floods in; buyer and seller each pay about 3% on a sale for what used tech lacks: trust.
Seller lists a device free; Swappa staff hand-review it โ Buyer pays the listed price (fee baked in) via PayPal โ Swappa keeps about 3% from each side on every sale
The catch Scale Low capped
Read the full teardown โ - 18
Invite-only curation plus authentication let strangers trust five-figure buys that open marketplaces can't safely host.
Vetted dealers list rare design, art, and watches โ Designers and wealthy buyers order on-platform โ 1stDibs takes a 5-50% commission on each sale
The catch Rare, cyclical buys cap repeat and growth.
Read the full teardown โ - 19
Pros pay upfront for lead credits, so Bark earns before any job happens or any deal closes off-platform.
Customer posts a free request โ Bark matches nearby pros โ Pros buy credits to reply
The catch Earns whether the pro wins the job or not
Read the full teardown โ - 20
Global ENS firms sold pricey retainers to megafunds in English. VisasQ made expert calls self-serve, in Japanese.
A fund or consultancy needs a niche expert - fast โ VisasQ matches a vetted expert; books a 1-hour call โ Expert paid hourly; VisasQ keeps about 30% (VQ Lite)
The catch Demand swings with deal & consulting cycles.
Read the full teardown โ - 21
Every online gun sale must end at a licensed dealer. GunBroker wired 32,000 of them in and bills the sale.
Sellers list guns and gear, paying for listing options โ Buyer wins; the item ships to a licensed FFL dealer โ GunBroker bills a final value fee plus a buyer service fee
The catch Revenue still sits below its FY22 peak.
Read the full teardown โ - 22
Takes a cut from both sides, 10% from the worker and 3% from the client, then sells upgrades on top.
Client posts a job free; freelancers bid โ Client awards it and funds a milestone โ 10% off the worker, 3% off the client
The catch Freelance revenue grew 0.7% in FY25.
Read the full teardown โ - 23
A marketplace's real bottleneck is demand-side awareness โ Airtasker bought it with equity instead of burning cash.
Poster lists a task with a budget, like flat-pack assembly or a house clean โ Taskers bid; poster picks one; payment is held in escrow until done โ Airtasker releases the funds and keeps a 12.5-20% service fee, plus tax
The catch New markets restart the liquidity problem.
Read the full teardown โ - 24
he hiked the fee and cut to zero staff โ a shrinking company that's wildly profitable.
Creator uploads a product, gets a checkout link โ Buyer purchases; Gumroad runs checkout, payment, and delivery โ Gumroad keeps 10% + $0.50 on your own links, and 30% on sales it sends you via Discover
The catch GMV plateaued ยท flat fee invites churn
Read the full teardown โ - 25
Owns the used-gear price data: every sale feeds it, both sides trust it, rivals can't match the vertical depth.
Musician lists gear free; buyers check the Price Guide for fair value โ Buyer pays through Reverb Payments (buyer protection, shipping) โ Reverb keeps a 5% seller fee + payment cut on every sale
The catch Sellers multi-home to eBay + free FB groups.
Read the full teardown โ - 26
A definitive music catalog crowd-built by collectors over 25 years โ a data moat no rival can rebuild.
Collectors submit release data for free โ the catalog grows โ Sellers list records against that catalog, free to list โ A record sells โ Discogs takes a 9% fee
The catch One niche: physical-record collectors.
Read the full teardown โ - 27
smallcase never became a broker. It's a neutral rail on top of every major Indian broker, tolling each basket trade.
Managers & smallcase build themed stock/ETF baskets โ Investor buys the basket via their own broker account โ smallcase collects a fee on every trade + broker fee-share
The catch 85.8% of revenue is a toll brokers can cut.
Read the full teardown โ - 28
Owns the only liquidity in a category it invented, so it charges a rich 30% take (20% host + 10% guest).
Owner lists an idle backyard pool โ Guest books by the hour; Swimply insures + collects payment โ Swimply keeps about 30% (20% host + 10% guest)
The catch Repeat locals can rebook off-platform.
Read the full teardown โ - 29
Asset-light: no land bought, no lots built. He lists owners' idle acreage and takes 30% of every booking.
Owner lists idle lot โ Trucker books a space โ TPC takes 30% cut
The catch Trucker Path now sells paid reservations too.
Read the full teardown โ - 30
Adult creators are unbankable elsewhere. OnlyFans built the payment rails nobody else would run, and kept the fans.
Creators post paywalled photos, video, DMs โ Fans pay subs, tips and pay-per-view unlocks โ OnlyFans keeps 20% of every payment
The catch One niche, one owner, constant payment risk.
Read the full teardown โ - 31
The fee is visible; the moat is the balance sheet โ Faire fronts cash and covers returns, so a shop risks nothing.
Indie brand lists its wholesale catalog on Faire โ Local shop orders โ free returns, pay in 60 days โ Faire pays the brand, keeps 15-25% plus ad fees
The catch Shops and brands can reorder off-platform.
Read the full teardown โ - 32
Both sides pay โ seekers to be scouted, firms to scout โ at 90%-plus gross margins, in a market agencies used to own.
Senior pro lists a scoutable resume (paid) โ Firms and headhunters subscribe to scout โ Both sides pay; about 90% gross margin
The catch One country, one white-collar hiring cycle.
Read the full teardown โ - 33
Launched the marketplace, then built Tuts+ โ the web's biggest design-tutorial network โ to feed it buyers.
Authors list digital assets; Envato brings the buyers via Tuts+ โ Buyers pay per item, or $16.50/mo for unlimited Elements downloads โ Envato keeps about half of every sale plus subscription margin
The catch Its subscription now cannibalizes its authors
Read the full teardown โ - 34
Every shift is a direct hire, not temp dispatch โ no staffing license, no interview, worker paid same day.
Business posts an open shift; a worker taps 'work' โ no resume, no interview โ Worker shows up, does the shift, and is paid the same day โ Business pays the wage plus a 30% service fee to Timee, billed monthly
The catch Clients can hire workers direct, fee-free.
Read the full teardown โ - 35
Instead of maximizing supply like Upwork, Toptal rejects 97% of applicants and sells scarcity at a premium.
Screen applicants: only about 3% pass โ Client hires; pays one blended hourly rate โ Toptal pays talent less, keeps the markup
The catch Big markup underpays talent; they can defect.
Read the full teardown โ - 36
A decade of door-to-door sales onboarded 50M+ Indian businesses before broadband arrived โ a base no crawler can copy.
Consumers search free by phone or app โ Every business gets a free listing โ Businesses pay to rank above the free ones
The catch Google Maps is eating local discovery.
Read the full teardown โ - 37
19M monthly users and 180M listings make it the default place Spaniards sell used goods; rivals can't seed liquidity.
List used items free โ Buyer checks out via Wallapop shipping โ Fee on each shipment + paid visibility
The catch Still loss-making; Vinted took fashion.
Read the full teardown โ - 38
The product is distribution, not deals: a 1.5M-buyer list makers hand 70-80% of a Select deal to reach.
Software maker lists a lifetime deal at a steep discount โ AppSumo emails it to 1.5M deal-hungry subscribers โ Sellers report AppSumo keeps 70-80% on Select deals (AppSumo disputes it and gives no number); maker gets buyers
The catch One-time cash, no recurring revenue.
Read the full teardown โ - 39
Sells what Fiverr won't โ anonymous fortune-telling and worry-chats are flagship categories, not novelties.
Anyone lists a skill: design, code, or a fortune reading โ Buyers pay in-app via chat, video, or an anonymous phone call โ Coconala rakes 22-60% of every completed deal
The catch Core GMV up 4.6%; growth leans on staffing.
Read the full teardown โ - 40
Paid matchmaking: brides and grooms subscribe to contact verified matches, split across 300+ caste and language sites.
Free profiles fill each community site with brides and grooms โ Contacting a match requires a paid subscription โ About 1M members pay for multi-month subscription plans
The catch Young urban India is leaving for dating apps
Read the full teardown โ
This list is a slice of Kaeda's library. Every figure is filed, stated by the company, or our estimate with the arithmetic shown โ and when a source turns out not to say what we said, we change the number and publish the correction.