If you run a B2B business, you’ve probably noticed that the way buyers search for solutions is changing. Search engines are flooded with AI-generated results, organic traffic is more competitive than ever, and paid ads can drain your budget without delivering consistent leads. That’s why more companies are turning to Online B2B Marketplaces. These platforms give suppliers direct access to buyers who are ready to make decisions, cutting through the noise of traditional marketing.
In this guide, we’ll cover what an Online B2B Marketplace is, who uses them, the benefits they bring, and how they compare to traditional sales methods. You’ll also get a look at leading marketplaces, average costs, and answers to some of the most common questions suppliers ask before getting started.
Did You Know: 35% of B2B buyers purchase 50% of their products through online marketplaces.
What is an Online B2B Marketplace?
An Online B2B Marketplace is a digital platform that connects business buyers with business suppliers. Think of it as a matchmaking service for companies. Instead of buyers searching across dozens of websites, they can visit a single marketplace, request quotes, and get matched with relevant suppliers who can meet their needs.
Unlike B2C marketplaces like Amazon or Etsy, which are designed for consumer purchases, Online B2B Marketplaces are tailored to business transactions. That means larger orders, ongoing relationships, and higher-value deals. The platform itself doesn’t sell the product or service. Instead, it facilitates the connection, making the process easier and faster for both sides.
For example, a school district looking for modular classrooms might use a B2B marketplace to submit a request. The marketplace then matches that request with suppliers who specialize in modular buildings. Both parties save time, and the buyer gets access to pre-qualified vendors.
Who Uses Online B2B Marketplaces?
Online B2B Marketplaces are used by a wide range of businesses across industries. Buyers include small business owners, large enterprises, procurement managers, and organizations with recurring needs. Suppliers range from local service providers to national distributors.
Here are some common groups that use online B2B marketplaces:
- Small to mid-sized businesses that want more visibility without investing heavily in marketing campaigns.
- Large corporations looking to streamline procurement and source vendors more efficiently.
- Service providers like payroll companies, medical billing firms, and call centers who need a steady stream of leads.
- Product suppliers offering storage containers, modular buildings, steel structures, or business equipment.
- Freelancers and niche providers who want to expand beyond word-of-mouth or local referrals.
In short, any business that needs reliable lead flow or wants to expand its reach can benefit from being part of an Online B2B Marketplace.
Benefits of Online B2B Marketplaces
The real value of Online B2B Marketplaces is in how they simplify and scale the process of connecting with buyers. Here are the biggest benefits:

1. Access to High-Intent Buyers
Unlike cold calling or running broad ads, marketplace leads are usually from buyers who are actively searching. They’ve taken the step of submitting a request, which shows clear intent. That makes these leads more valuable than casual website visitors or low-quality lists.
2. Less Dependence on SEO
SEO can still be powerful, but with AI changing how search results are displayed, relying on rankings alone is risky. Online B2B Marketplaces give you another path to visibility without waiting months for organic growth. You’re plugged into a system that already attracts buyer traffic.
3. Faster Sales Cycles
Because buyers come in ready to engage, the typical sales cycle is shorter. You don’t have to spend weeks nurturing a cold lead. Instead, you move quickly to quoting and closing, which keeps revenue flowing consistently.
4. Scalability Without Extra Staff
Marketplaces make it possible to expand your lead volume without hiring a bigger sales or marketing team. If your operations can handle more demand, you can scale through the marketplace and reach more buyers in more locations.
5. Streamlined Lead Generation
Instead of juggling campaigns, calls, and prospecting, marketplaces bring opportunities straight to your inbox. Many even pre-qualify buyers, so you’re spending your time on leads that actually fit your offering.
Related: What is B2B Lead Generation?
6. National Reach
Even if your business is local or regional, marketplaces allow you to expand your visibility. You can connect with buyers in new markets, test opportunities in other states, and build brand awareness outside your immediate network.
7. Cost Predictability
Compared to traditional advertising, which can have unpredictable results, Online B2B Marketplaces often operate on a set pricing model. That means you can forecast costs more easily and plan your sales pipeline with confidence.
Leading Online B2B Marketplaces
There are dozens of Online B2B Marketplaces available, each with its own niche. Some focus on products, while others focus on services. A few of the most well-known include:
- ThomasNet: A directory-style marketplace for industrial suppliers and manufacturers.
- Upwork: A service-based marketplace connecting freelancers with businesses.
- Thumbtack: Matches service providers with local buyers.
- 360Connect: A B2B marketplace specializing in connecting buyers with suppliers across 40+ industries, from storage containers to medical billing.
Choosing the right marketplace depends on your industry, budget, and the type of buyers you want to reach.
Average Cost of Online B2B Marketplaces
The cost of joining an Online B2B Marketplace isn’t one-size-fits-all. Pricing depends on the platform, the type of service you choose, and even your industry. Most marketplaces follow one of a few common pricing approaches:
- Membership model: You pay a flat monthly or annual fee to be part of the marketplace. This usually gives you ongoing access to buyer requests and a set number of opportunities.
- Pay-per-lead model: Instead of paying upfront, you’re charged only for the leads you receive. This makes it easier to predict costs and tie your spend directly to new opportunities.
- Custom model: Some marketplaces build flexible plans around your specific goals. That might mean combining a membership fee with pay-per-lead pricing, or creating a performance-based structure that scales with your growth.
On average, suppliers spend anywhere from a few hundred to several thousand dollars per month. The real question isn’t just how much it costs, but how much you get back. If one lead turns into a long-term contract, the return on investment can far outweigh the initial spend.
Online B2B Marketplaces vs Traditional Marketing & Sales
Traditional marketing strategies like SEO, paid ads, and outbound prospecting still have their place, but they come with challenges. SEO is slow to build, paid ads require constant budget monitoring, and cold calling can burn through resources with little payoff.
Online B2B Marketplaces, on the other hand, offer:
- Immediate access to active buyers rather than waiting for prospects to come to you.
- Faster time to ROI, since many leads are already in the decision-making phase.
- Less risk from algorithm changes, because you’re not dependent on search engines for visibility.
- Scalability, since you can increase lead flow without hiring additional staff.
For many suppliers, marketplaces serve as a complement to traditional efforts. They don’t necessarily replace your website or advertising, but they give you a more direct path to consistent lead flow.
Final Thoughts on Online B2B Marketplaces
The B2B buying journey has changed, and businesses that want to stay competitive need to adapt. Online B2B Marketplaces are no longer optional. They’re becoming a core part of how suppliers connect with buyers.
If you’ve struggled with inconsistent leads, long sales cycles, or wasted marketing spend, a marketplace could be the missing piece. It allows you to focus on what you do best while the platform handles the connection between you and the buyer.
Ready to Grow Your Business?
Join our Supplier Network today and get matched with real buyers who are actively requesting quotes. At 360Connect, we’ve been helping suppliers grow for over 20 years by delivering verified leads across dozens of industries.
Start getting leads that convert, scale your reach, and grow your business faster with a trusted Online B2B Marketplace.