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Marketplace

The most — and least — trusted Marketplace sites, ranked by live trust score.

51
avg score
261
sites

How Marketplace sites score

Where every Marketplace site we've checked lands on the trust scale.
11
0–19
69
20–39
81
40–59
67
60–79
33
80–100
Showing 1–50 of 261
1
rule.alibaba.com icon
rule.alibaba.com
This is an official subdomain of Alibaba.com, so you can trust it as a source for rules and policies. It has a clean security record and a long history online. The only minor issues are technical, not about deception or safety.
Trusted
90
2
ebay.be icon
ebay.be
ebay.be is the Belgian version of the global eBay marketplace. It's a trusted and legitimate site with over two decades of history and strong security. You can shop here with confidence.
Trusted
90
3
wholesaler.alibaba.com icon
wholesaler.alibaba.com
This is a legitimate subdomain of Alibaba's B2B platform. It has strong security, clear business disclosures, and a long web history. While some technical polish could be improved, overall it's safe to use for wholesale sourcing.
Trusted
88
4
offerup.com icon
offerup.com
OfferUp.com appears to be a trusted platform with robust technical infrastructure and good security practices. While it has some minor branding omissions and its bot protection limited some checks, the core elements of trust are well-maintained.
Trusted
88
5
grailed.com icon
grailed.com
This site appears trustworthy overall. While there are a few minor areas for improvement, like the number of external scripts, the critical security and identity signals are strong, indicating a legitimate and well-maintained platform.
Trusted
88
6
eventbrite.com icon
eventbrite.com
This website appears trusted, demonstrating a robust and well-established online presence with strong technical infrastructure and good security. The only minor concern is incomplete legal pages, which is easily remedied.
Trusted
88
7
articulo.mercadolibre.com.ar icon
articulo.mercadolibre.com.ar
You can trust this site. It's a subdomain of Mercado Libre, a major and legitimate marketplace in Latin America. The few technical warnings (like many scripts or hidden elements) are normal for a large e-commerce site — not signs of fraud.
Trusted
88
8
vinted.com icon
vinted.com
Vinted.com appears to be a legitimate and well-established online marketplace for second-hand fashion. While an abundance of external scripts and urgency tactics suggest some caution, the site's long history, strong infrastructure, and comprehensive legal framework point to a trustworthy operation.
Trusted
85
9
ventura.craigslist.org icon
ventura.craigslist.org
ventura.craigslist.org is a legitimate subdomain of Craigslist, one of the most established classifieds platforms on the internet. It passes all major security and reputation checks, and the parent company is well known and transparent. You can use this site with confidence, just follow normal Craigslist safety practices for transactions.
Trusted
85
10
stockx.com icon
stockx.com
StockX appears to be a trusted platform for buying and selling collectible items, showing strong foundational security and a long operational history. While a direct access error was noted and contact info wasn't immediately obvious, these minor concerns don't overshadow its otherwise robust online presence and security measures.
Trusted
85
11
shopmanager.zendesk.com icon
shopmanager.zendesk.com
This is an official Zendesk subdomain used by Etsy for seller support and authentication. All signals point to a legitimate service tied to two well-known companies. You can trust it as much as you trust Etsy's own website.
Trusted
85
12
seller.tokopedia.com icon
seller.tokopedia.com
Seller.tokopedia.com earns a trusted verdict. It's a subdomain of Tokopedia, a major Indonesian marketplace, and it shows strong security, published legal pages, and an about page. The lack of direct contact info on the homepage is minor for a portal that likely offers support after login, and the overall signal set is clean.
Trusted
85
13
quoka.de icon
quoka.de
Quoka.de checks out as a legitimate, long-running German classifieds marketplace. It has been online for over two decades, openly discloses the business behind it, and meets all the legal requirements for operating in Germany. There's no reason to be wary of using this site for buying or selling.
Trusted
85
14
m.olx.pl icon
m.olx.pl
m.olx.pl is a subdomain of the well-known Polish classifieds site OLX.pl. All signals point to a legitimate, secure marketplace with proper legal pages and security protections. You can trust it as you would the main OLX site.
Trusted
85
15
breef.com icon
breef.com
Breef is a legitimate and established professional marketplace. Its two-decade history and professional infrastructure make it a reliable partner for brands seeking marketing agencies.
Trusted
85
16
alibaba.com icon
alibaba.com
Alibaba.com is a trusted platform with a strong technical foundation and an excellent reputation. While it could improve its transparency by making contact information and social media links more prominent, these are minor issues for such a well-established and highly-trafficked site.
Trusted
85
17
pepper.pl icon
pepper.pl
Pepper.pl is a well-established Polish deal community that has been around since 2006. It passes most trust checks with flying colors – good security, clear ownership, and proper legal pages. The only minor unknowns are the lack of a contact page visible to crawlers and a missing Wayback history, but neither is alarming for a site this old and popular.
Trusted
83
18
tradera.net icon
tradera.net
Tradera.net is a 27-year-old domain that redirects to tradera.com, a well-known Swedish marketplace. Its security and reputation signals are clean and strong, and the long history makes it a reliable pointer to the main site. You can safely use this address to reach Tradera's services.
Trusted
82
19
ss.com icon
ss.com
SS.com is a well-established classifieds platform that has been around for nearly 30 years. It has strong security, clear ownership information, and the legal disclosures you'd expect from a serious business in Europe. The site is widely used and has no red flags — it's safe to use for buying, selling, or browsing listings in Latvia.
Trusted
82
20
poshmark.com icon
poshmark.com
Poshmark.com appears to be a trusted platform with a strong web presence and robust security measures. While there are minor gaps in transparency due to bot protection and some basic branding, its long domain history, good technical setup, and high traffic rank instill confidence.
Trusted
82
21
paginasamarillas.es icon
paginasamarillas.es
PaginasAmarillas.es is the legitimate online version of the classic Spanish Yellow Pages. It's been around for 25 years, has clear legal disclosures, and strong security. You can safely use it to find businesses and read reviews.
Trusted
82
22
fiverr.com icon
fiverr.com
Fiverr.com appears to be a trustworthy platform with strong foundational security and infrastructure. While bot protection prevented checking some key transparency and compliance signals, the overall established presence and positive technical indicators suggest it's safe to use.
Trusted
82
23
etsy.com icon
etsy.com
Etsy.com is a well-established and generally trustworthy platform. While it exhibits robust security features and a long operational history, some issues related to transparency and compliance checks due to bot protection, along with a lack of DNSSEC, slightly temper its overall perfect score.
Trusted
82
24
de.kleinanzeigen.com icon
de.kleinanzeigen.com
de.kleinanzeigen.com is a legitimate German classifieds marketplace. It has proper legal disclosures, a clean security record, and a multi-year presence online. The only real shortcoming is missing some browser security headers, which is a minor concern for a site where you log in and post ads.
Trusted
82
25
antiques-atlas.com icon
antiques-atlas.com
Antiques-atlas.com is a legitimate, long-running antique marketplace with over 27 years of history. It has clean security scans, transparent contact and legal pages, and a solid reputation backed by decades of web archive evidence. Minor technical gaps don't overshadow the strong signals of a genuine business.
Trusted
82
26
yusaki.jp icon
yusaki.jp
This is a legitimate Japanese industrial parts supplier with a long domain history and transparent ownership. The clean security record and proper legal pages confirm it's a real business, not a fly-by-night operation. While the lack of a web archive and social presence stands out, the fundamentals are solid for this kind of B2B marketplace.
Trusted
80
27
redweek.com icon
redweek.com
RedWeek is a legitimate, long-running timeshare marketplace. With 26 years of web history, strong security, and transparent business information, it stands apart from sketchy rental sites. You can confidently use it to find timeshare rentals or sales, though it's always smart to vet individual listings as you would on any peer-to-peer marketplace.
Trusted
80
28
pinkoi.com icon
pinkoi.com
Pinkoi is a trusted design marketplace with a long history and solid security. While the missing contact link on the homepage is worth noting, everything else—from its trademark-verified email to clean reputation—points to a legitimate business. It's safe to shop here.
Trusted
80
29
network.procore.com icon
network.procore.com
This is a legitimate subdomain of Procore, a major construction software company. The site is well-maintained with a valid certificate, clean reputation, and clear contact details. You can use the Procore Construction Network with confidence — it's a real platform for finding contractors and projects.
Trusted
80
30
m.alibaba.com icon
m.alibaba.com
m.alibaba.com is the mobile gateway to Alibaba, a legitimate global B2B marketplace with a 15-year track record. It has strong security and compliance standards, though some contact details are harder to find via automated checks. Overall, it's a safe platform for business sourcing.
Trusted
80
31
ebay.de icon
ebay.de
ebay.de is the German arm of eBay, one of the world's largest online marketplaces. The site ticks every box you'd expect from a legitimate e-commerce giant: strong security, clear legal disclosure, and a massive global user base. You can shop here with confidence.
Trusted
80
32
crowdsupply.com icon
crowdsupply.com
Crowd Supply is a legitimate, well-established platform for open hardware crowdfunding. With an 18-year-old domain, clean security history, and transparent business practices, it has the hallmarks of a trustworthy site. The only minor note is the domain renewal coming up soon, but that's a routine administrative item that typically gets handled without disruption.
Trusted
80
33
craigslist.org icon
craigslist.org
Craigslist remains a highly established and generally trustworthy platform despite some technical hiccups and traditional transparency issues. Its long history and high traffic volume speak to its legitimacy, though users should be mindful of the peer-to-peer nature of transactions.
Trusted
80
34
z2u.com icon
z2u.com
Z2U.com appears to be a mostly safe platform, primarily due to its long-standing domain history and robust technical security. However, the site's aggressive bot protection makes it difficult to assess key transparency and compliance elements that build user trust.
Mostly safe
78
35
shop.by icon
shop.by
Shop.by is a long-established price comparison platform from Belarus with a clear company identity and solid transparency. It’s likely safe to use for browsing and comparing prices, but the missing browser protections and a single email blacklist listing mean it’s not perfect. Just keep an eye on where your data goes when you click through to a seller.
Mostly safe
78
36
makerworld.com icon
makerworld.com
MakerWorld is a legitimate, high-traffic platform for 3D printing models, but it has a couple of transparency gaps. The site is well-protected and technically sound, just lacks an easy-to-find about page or clear contact info. You can use it confidently, but keep an eye out for those details if they matter to you.
Mostly safe
78
37
lastminutemusicians.com icon
lastminutemusicians.com
Lastminutemusicians.com is a well-established UK marketplace for hiring musicians and bands. It has been around for over two decades, has a clean security record, and is transparent about who runs it. The only minor concerns are around GDPR compliance, but nothing that suggests it's a scam.
Mostly safe
78
38
ebay.com icon
ebay.com
This site is mostly safe, but users should proceed with caution due to the aggressive marketing tactics. While many technical and reputational indicators are strong, the presence of urgency tactics and unrealistic discounts are significant red flags often associated with less trustworthy platforms.
Mostly safe
78
39
bankoflamps.com icon
bankoflamps.com
Bank of Lamps behaves as a legitimate B2B electrical supplier with a consistent five-year history. You should feel comfortable proceeding with a professional inquiry, though you should verify their specific business registration documents if you plan on placing a large commercial order.
Mostly safe
78
40
zvab.com icon
zvab.com
ZVAB is a well-established antiquarian book marketplace that has been online for nearly 30 years. It meets most transparency and compliance standards, though a few small red flags like hidden page elements and missing homepage contact info mean it's not spotless. Overall, this is a legitimate site you can use with normal caution.
Mostly safe
75
41
smartstore.naver.com icon
smartstore.naver.com
smartstore.naver.com appears to be a mostly safe platform for online transactions, benefiting from robust security infrastructure. However, a notable lack of direct contact information and social media presence could make customer support less accessible than expected.
Mostly safe
75
42
mercadolibre.com icon
mercadolibre.com
Mercadolibre.com generally presents as a Mostly Safe platform, backed by its long operational history and robust technical infrastructure. However, the critical absence of readily available legal pages like a privacy policy and terms of service, along with limited direct contact information, raises significant concerns for user transparency and compliance, demanding careful consideration from shoppers.
Mostly safe
75
43
img.kleinanzeigen.de icon
img.kleinanzeigen.de
This is a subdomain of eBay Kleinanzeigen, a legitimate German marketplace. Right now the page returns a 404 error, so there's nothing to see, but the technical setup is secure and matches a real platform. No signs of a scam, just a broken link.
Mostly safe
75
44
classiccars.com icon
classiccars.com
ClassicCars.com is a legitimate, long-running marketplace for classic vehicles. It has solid security, a clean reputation spanning 27 years, and the basic legal pages you'd expect. A few minor gaps — like the lack of full EU-level legal disclosures — keep it from being perfect, but there's nothing here that should worry a buyer.
Mostly safe
75
45
billy.com icon
billy.com
Billy.com is a long-running service that connects you with professionals for home, legal, and insurance needs. The signals point to a legitimate business with decent transparency and solid infrastructure. The main thing to keep an eye on is the domain expiration: it's coming up soon, so if you use the site, you'll want to make sure they renew it to avoid any interruption.
Mostly safe
75
46
humasana.com icon
humasana.com
Humasana.com looks like a legitimate French parapharmacy marketplace. It has solid security, clear legal pages, and a clean history. The main caveat is that the ownership isn't fully public, but the site does provide a legal entity disclosure. Overall, a moderately trustworthy site for shopping.
Mostly safe
73
47
passport.alibaba.com icon
passport.alibaba.com
This is an Alibaba login subdomain, and the core signs are solid — valid encryption, clean reputation, and clear ownership by a huge, legitimate company. The main concerns are minor technical holdovers like support for outdated TLS versions and a robots.txt that blocks crawlers, which aren't dealbreakers but keep it from a perfect score. If you're logging into your Alibaba account here, you're on the right site — just make sure you arrived through the official main page.
Mostly safe
72
48
greenandpurple.com icon
greenandpurple.com
This site is mostly safe to use. It's been around for 18 years, has a clean security and reputation record, and clearly describes what it does. The one real concern is that the business hasn't published its legal name and address, which is expected under UK law. With normal caution, you can proceed.
Mostly safe
72
49
events.hisawyer.com icon
events.hisawyer.com
Events.hisawyer.com is the event booking platform for Sawyer, a known kids activities marketplace. It has solid security, clear legal policies, and a clean history. The main thing to note is the lack of social media presence, which makes it harder to gauge real-world user feedback, but the site itself looks legitimate for browsing and booking activities.
Mostly safe
72
50
yoo.rs icon
yoo.rs
You can use this platform with a degree of confidence, as it is an established marketplace with a consistent decade-long track record. While it lacks some formal EU-specific business disclosures, the site is transparent about its operations and identity.
Mostly safe
70
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Online marketplaces connect buyers and sellers, which means they need trust flowing in both directions. Whether it's a peer-to-peer resale platform, a handmade goods market, or a B2B wholesale site, the marketplace itself needs to be trustworthy before any individual transaction can be.

We evaluate marketplaces on the standard trust signals: SSL configuration, domain age, WHOIS records, safe browsing status, and web reputation. For platforms handling payments between strangers, getting these fundamentals right is baseline.

Fake marketplaces are a growing problem. They mimic the look of established platforms, list attractive deals from sellers who don't exist, and collect payment information or deposits that go nowhere. New domains, hidden ownership, and minimal security infrastructure are the usual tells.

Established marketplaces have years of domain history, transparent corporate ownership, robust security setups, and strong reputations. They invest in buyer and seller protection because their business model depends on repeat transactions and trust.

Before you send money to a seller on a marketplace you haven't used before, check the platform's trust score first. A legitimate marketplace protects both sides of every transaction.