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B2B ecommerce growth is outpacing B2B product and electronic sales growth. And ecommerce site sales are taking an increasing share of the market. Macroeconomic conditions, buyers’ preferences, and AI use are fueling increased digital transactions, particularly through third-party marketplaces.

B2B ecommerce site sales increased 10.5% YoY in 2024, reaching $2.297 trillion.

US B2B ecommerce growth is outpacing B2B product and electronic sales growth—but at a slow rate. Buyers’ preference for third-party marketplaces (e.g., Amazon Business) is fueling growth, pushing sellers to consider ecommerce solutions and third-party platforms to reach buyers and meet their procurement expectations.

Small and medium-sized businesses will account for almost half of the $35 trillion B2B payments market this year. They have been slow to digitize, handing B2B payment providers a unique set of needs to address.

B2B digital ad spending is expected to rebound in 2024. Trends in B2B buying behavior, programmatic advertising, and AI use are contributing to the shift in spending toward display, mobile, social media, and video.

The payment method may not appeal to consumer-facing businesses but will add value for its B2B customers

B2B payments are fast becoming the biggest opportunity for stablecoins to gain traction—now PayPal has to convince everyone else.

The company is trying to better market itself as a B2B company and grow its checkout business

Amazon looks to its B2B ecommerce division for growth: The retail giant sees significant opportunities to expand Amazon Business into new markets in Europe and elsewhere.

Walmart taps B2B to grow its margins: The retail giant is adding new products and tools to Walmart Business to attract more B2B customers and drive loyalty.

A more accessible and expansive Walmart+ membership will help the retailer to reach 29 million subscribers this year, while in-store retail media formats could boost ad revenues. A push into B2B, logistics, and international markets may also prove lucrative.

Amazon sits at the top of US ecommerce, accounting for 37.6% of sales this year, according to our forecast. In addition to generating billions of dollars in sales, Amazon’s ecommerce business propels its other ventures, including retail media and B2B ecommerce. By harnessing the power of generative AI, Amazon could leave its retail competition even further in the dust, and possibly catch up to the Google and Meta duopoly.

Interest in faster payments is also exploding for business-to-business (B2B) payments. Real-time payments support between 60% and 70% of domestic B2B transactions in the US, according to Melio. Our take: While demand for faster payments is quickly growing, the ACH Network faces growing competition from true real-time payment players.

How can brands and retailers succeed in the new era of mobile-first ecommerce?