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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. 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

    Vintedโ‚ฌ1.1BStatedsource โ†— company.vinted.com

    The catch Most revenue is one fee buyers love to hate.

    Read the full teardown โ†’
  2. 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

    Mercariยฅ192,633MFiledsource โ†— stockanalysis.com

    The catch GMV growth has stalled in a maturing Japan.

    Read the full teardown โ†’
  3. 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. 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

    Shutterstock$935MFiledsource โ†— sec.gov

    The catch AI image generators undercut paid stock.

    Read the full teardown โ†’
  5. 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

    Xometry$686.6MFiledsource โ†— sec.gov

    The catch Thin 34.7% cut; still a net loss.

    Read the full teardown โ†’
  6. 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%

    Poshmark$326MFiledsource โ†— sec.gov

    The catch Never profitable; heavy marketing spend.

    Read the full teardown โ†’
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  8. 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

    Idealistaโ‚ฌ300M+Statedsource โ†— onlinemarketplaces.com

    The catch Liquidity is local; each market restarts.

    Read the full teardown โ†’
  9. 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

    ThredUp$260.0MFiledsource โ†— sec.gov

    The catch Still net-loss-making after 15 years.

    Read the full teardown โ†’
  10. 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

    Auction Technology Group$190.2mFiledsource โ†— investegate.co.uk

    The catch GMV tracks cyclical art and surplus spend.

    Read the full teardown โ†’
  11. 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

    Weedmaps$184.5MFiledsource โ†— sec.gov

    The catch Revenue has fallen two years straight.

    Read the full teardown โ†’
  12. 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

    IndiaMART$165MStatedsource โ†— inc42.com

    The catch Paying base flat; growth from price hikes.

    Read the full teardown โ†’
  13. 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†’
  14. 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

    HemnetSEK 1,394.6MFiledsource โ†— hemnetgroup.se

    The catch One country, one housing cycle.

    Read the full teardown โ†’
  15. 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% + โ‚ฌ3 Buyer Protection fee from the buyer

    Catawikiโ‚ฌ105MStatedsource โ†— catawiki.com

    The catch Experts scale linearly; margins stay thin.

    Read the full teardown โ†’
  16. 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

    Chrono24โ‚ฌ103.2MStatedsource โ†— watchpro.com

    The catch Dealers could bypass; GMV swings with prices.

    Read the full teardown โ†’
  17. 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

    StartEngine$109.6MFiledsource โ†— sec.gov

    The catch 79% of revenue sits in one product line.

    Read the full teardown โ†’
  18. 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†’
  19. 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

    1stDibs$89.6MFiledsource โ†— sec.gov

    The catch Rare, cyclical buys cap repeat and growth.

    Read the full teardown โ†’
  20. 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

    Bark.comยฃ70MStatedsource โ†— kaifeller.com

    The catch Earns whether the pro wins the job or not

    Read the full teardown โ†’
  21. 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)

    VisasQยฅ9,974MFiledsource โ†— stockanalysis.com

    The catch Demand swings with deal & consulting cycles.

    Read the full teardown โ†’
  22. 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

    GunBroker$51.1MFiledsource โ†— sec.gov

    The catch Revenue still sits below its FY22 peak.

    Read the full teardown โ†’
  23. 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

    Freelancer.comA$55.3MFiledsource โ†— freelancer.com

    The catch Freelance revenue grew 0.7% in FY25.

    Read the full teardown โ†’
  24. 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†’
  25. 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

    Gumroad$20.7MFiledsource โ†— sec.gov

    The catch GMV plateaued ยท flat fee invites churn

    Read the full teardown โ†’
  26. 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†’
  27. 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†’
  28. 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

    smallcaseโ‚น67crStatedsource โ†— entrackr.com

    The catch 85.8% of revenue is a toll brokers can cut.

    Read the full teardown โ†’
  29. 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)

    Swimply275,000+Statedsource โ†— npr.org

    The catch Repeat locals can rebook off-platform.

    Read the full teardown โ†’
  30. 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

    Truck Parking Club66,000+Statedsource โ†— finance.yahoo.com

    The catch Trucker Path now sells paid reservations too.

    Read the full teardown โ†’
  31. 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†’
  32. 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†’
  33. 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

    BizReachยฅ68.6B /yrFiledsource โ†— visional.inc

    The catch One country, one white-collar hiring cycle.

    Read the full teardown โ†’
  34. 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†’
  35. 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†’
  36. 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

    Toptal$200M+ /yrEstimatesource โ†— en.wikipedia.org

    The catch Big markup underpays talent; they can defect.

    Read the full teardown โ†’
  37. 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

    Just DialRs 1,141.9 crEstimatesource โ†— business-standard.com

    The catch Google Maps is eating local discovery.

    Read the full teardown โ†’
  38. 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

    Wallapopโ‚ฌ101MEstimatesource โ†— elespanol.com

    The catch Still loss-making; Vinted took fashion.

    Read the full teardown โ†’
  39. 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

    AppSumo$80MStatedsource โ†— cnbc.com

    The catch One-time cash, no recurring revenue.

    Read the full teardown โ†’
  40. 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†’
  41. 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

    BharatMatrimony$55MFiledsource โ†— screener.in

    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.