The Event

Let's Grow! Walmart Marketplace Seller Summit 2026 San Diego · Sep 1-3

Walmart's official Marketplace Seller Summit brought its third-party sellers to San Diego 1-3 September for platform updates, growth strategy sessions and, by attendee accounts, unusually direct access to Walmart's own leaders and merchants across multiple days. It was a direct line into how Walmart wants its Marketplace to grow, and a useful signal for sellers thinking about diversifying beyond Amazon.

No official attendee figure was published for 2026, consistent with Walmart's approach in prior years; the only verified historical figure remains the first Let's Grow! summit in 2023, which drew roughly 1,500 registered attendees. Walmart also used the event to host an exclusive partner dinner recognizing three standout partners, including a Best Agency award. Given the official, Walmart-run format, this remains a good fit for sellers with proven domestic scale who are natural candidates for UK/EU marketplace expansion.

View event site → What this means for EU expansion

The Room

Who's expected at Let's Grow! Walmart Marketplace Seller Summit 2026

This summit is built for sellers who already run, or want to run, a Walmart Marketplace storefront. It drew a mix of established multi-marketplace sellers and Amazon-first sellers exploring their first real diversification move, alongside Walmart's own category and platform teams presenting roadmap updates.

Registration was free but capacity-limited per Walmart's own event site, and the official Walmart-run format gave sellers rare direct access to platform decision-makers rather than a third-party conference filter. Attendees described Walmart leaders and merchants spending multiple days in the room with sellers, a genuine strength for a marketplace-listings and 3PL conversation even without a confirmed 2026 headcount.

Walmart Marketplace sellers Amazon sellers exploring diversification Marketplace operations teams Ecommerce growth leaders

For a growing brand seeking the next step up, was Let's Grow! Walmart Marketplace Seller Summit 2026 a good fit?

Was a good fit given proven domestic scale among attendees; overall scale itself remains unverified, so treat this edition as a relationship and signal-gathering opportunity rather than a numbers-driven bet.

Format

An official Walmart-run event rather than a third-party trade show, giving sellers direct access to platform decision-makers.

Attendee mix

Existing Walmart Marketplace sellers alongside sellers weighing Walmart as a second or third channel beyond Amazon.

Why it matters

A direct signal of Walmart's roadmap and priorities for third-party sellers, relevant for anyone building a marketplace diversification strategy.

Programme

What's on at Let's Grow! Walmart Marketplace Seller Summit 2026

Four takeaways stood out from how the 2026 summit actually played out.

Walmart put its own leaders and merchants directly in the room with sellers

Attendees described Walmart leadership and merchant teams spending multiple days alongside sellers rather than making a single keynote appearance, a level of access few retailers at Walmart's scale offer their marketplace community.

The infrastructure story has matured, not just the platform pitch

Sessions on fulfillment and omnichannel tooling reflected a marketplace stack attendees described as far more built-out than a few years ago, rather than a growth pitch running ahead of the underlying tools.

Walmart publicly recognized its top agency and seller partners

Walmart hosted an exclusive partner dinner honoring three standout partners, including a Best Agency award won by SellCord, a visible signal of how seriously Walmart is investing in its partner ecosystem.

The growth backdrop was real, not just marketing

The summit landed weeks after Walmart's Q2 FY27 earnings showed US ecommerce sales up 24% and Marketplace net sales growing faster still, giving the summit's growth narrative genuine numbers behind it.

Live Intelligence

What's being said about Let's Grow! Walmart Marketplace Seller Summit 2026

Post-event coverage from Let's Grow! Walmart Marketplace Seller Summit 2026, held 1-3 September in San Diego.

Attendees describe rare, multi-day access to Walmart's own leadership

LINKEDIN ATTENDEE COVERAGE · SEP 2026

A firsthand attendee account described Walmart putting its own leaders and merchants in rooms with sellers for multiple days rather than a single keynote appearance. Few retailers at Walmart's scale invest this much in direct seller access, a signal Walmart is treating Marketplace as a genuine growth engine rather than a side project.

Walmart publicly recognized its top partners with a dedicated awards dinner

SELLCORD (LINKEDIN) · SEP 2026

Walmart hosted an exclusive dinner for partners and sellers at the summit, honoring three standout partners with special recognition. SellCord was named Best Agency, a visible sign Walmart is building out a formal partner-recognition program around Marketplace.

The summit landed on top of genuinely strong Walmart growth numbers

WALMART Q2 FY27 EARNINGS · AUG 2026

Walmart's Q2 FY27 results, released weeks before the summit, showed US ecommerce sales up 24% with Marketplace net sales growing faster still. That backdrop gave the summit's growth narrative real numbers behind it, rather than aspirational framing alone.

No official 2026 attendee figure was published

EVENTS INTELLIGENCE · SEP 2026

Consistent with prior years, Walmart did not publish an attendee count for the 2026 edition. The only independently verified historical figure remains the inaugural 2023 summit's roughly 1,500 registered attendees.

Diversification remained the core narrative

EVENTS INTELLIGENCE · SEP 2026

Walmart continued positioning Marketplace as a growth channel for sellers looking to reduce dependence on a single platform, a theme consistent with the wider US seller conversation this year.

A Walmart product leader publicly framed the summit around cross-border growth

LINKEDIN — AMIT BELANI (WALMART) · SEP 2026

A Walmart Marketplace product leader's post-summit LinkedIn recap, tagged #CrossBorder, framed the event's takeaway around helping sellers "reach more customers around the world." That's Walmart's own marketplace leadership publicly pushing the exact cross-border growth message this page is built around, not just an outside observation.

Expandly perspective

Marketplace diversification doesn't stop at Walmart

The logic that pulls a seller from Amazon to Walmart, reducing single-platform risk, applies just as strongly across borders. A brand that has already diversified marketplaces domestically is well-positioned to think about Europe next, where the same principle applies: no single marketplace covers the whole region.

Amazon is not automatic across Europe: local marketplaces like Bol.com in the Netherlands, Zalando in fashion, and Allegro in Poland often lead their categories.
Stock entering a marketplace's local fulfillment network triggers a VAT obligation in that country the moment it's stored there.
Amazon's core Pan-EU countries are Germany, France, Italy, Spain, the Netherlands and Poland, each with its own registration requirements.
A coordinated expansion partner keeps VAT, compliance and marketplace onboarding running as one project instead of five separate ones.
Since scale here is genuinely unconfirmed for 2026, treat it as a chance to build relationships and read Walmart's roadmap rather than a numbers game.

If diversification within the US makes sense, the next logical step is diversification across markets, not just platforms.

Amazon Pan-EU

Amazon's Pan-EU program spans six core countries, Germany, France, Italy, Spain, the Netherlands and Poland, each with its own separate VAT and marketplace registration requirements.

6countries

VAT trigger

Storing stock in a marketplace's local fulfillment network triggers a VAT registration obligation in that country immediately, not just after the first sale.

Day 1not first sale

Brands expanded

Expandly has already guided more than 2,000 US brands through European expansion, running VAT, compliance and marketplace onboarding as one coordinated project.

2,000+brands

Good to Know

Questions about Let's Grow! Walmart Marketplace Seller Summit 2026

What is the Let's Grow! Walmart Marketplace Seller Summit?

It's Walmart's official summit for its Marketplace sellers, focused on growth strategy, platform updates and diversification away from single-marketplace dependence. The 2026 edition ran 1-3 September in San Diego.

How many people attended the 2026 Walmart Marketplace Seller Summit?

No official attendee figures were published for the 2026 edition, consistent with Walmart's approach in prior years. The only independently verified historical figure is roughly 1,500 registered attendees at the first (2023) edition.

Why does marketplace diversification matter for US sellers?

Relying on a single marketplace or market concentrates risk. Events like this one reflect a broader push among US sellers to spread revenue across multiple marketplaces and, increasingly, multiple countries.

What stood out from the 2026 summit itself?

Attendees described unusually direct, multi-day access to Walmart's own leaders and merchants, and Walmart used the event to host an exclusive partner dinner recognizing three standout partners, including a Best Agency award won by SellCord.

Which marketplaces matter most for selling in Europe?

Amazon is not automatic across Europe. Amazon UK, Germany, and others are strong, but local marketplaces often lead: Bol dominates the Netherlands, Zalando leads fashion, and Allegro leads Poland. The right mix depends on your category and market, and stock entering a marketplace's local fulfillment triggers VAT obligations there.

Is it better to use one expansion partner or assemble providers separately?

Assembling a VAT agent, a logistics provider, a compliance advisor, and a marketplace consultant separately creates coordination cost and gaps between them. A single expansion partner runs it as one operation, which is faster to launch and easier to manage. Expandly works this way, using the Global Expansion Pathway (GEP™) as the method.

Where was the 2026 summit held?

The Gaylord Pacific Resort & Convention Center in San Diego, CA, running Sep 1-3, 2026.

Make Your Move

Diversifying past Amazon? Think past the US too.

If Walmart Marketplace is your next channel, a European marketplace could be the one after that.

Expandly's Global Expansion Pathway (GEP™) handles VAT registration, compliance and fulfillment through our Netherlands warehouse so a marketplace launch in Europe runs as one coordinated project. If diversification is already on your roadmap, let's talk about which European marketplace fits your category best.