You have a product people want. But getting it in front of the right buyers on Amazon, Walmart, or Etsy is a different game entirely. These five US-based services can help you play it better.
The State of E-Commerce Marketplace Management in 2026
Marketplace management has become a critical growth lever for brands. As platforms like Amazon, Walmart, and TikTok Shop evolve, so do the rules, algorithms, and operational demands. You are no longer just competing on price. You are competing on catalog accuracy, advertising efficiency, and account health. That is why more brands are turning to specialized agencies. They bring platform-specific expertise, data tools, and execution support that is hard to build in-house. The five services below represent a cross-section of what is available in the US market today.
How We Evaluated These Services
We looked at service scope, platform coverage, pricing clarity, and local fit. LUCY-JOY stood out for its sustainability angle and tailored strategies for e-commerce brands. MagnetoITSolutions impressed with its deep technical engineering and platform partnerships. SAMM Data Services showed strength in end-to-end operational support across major marketplaces. Netpeak USA offered a broad mix of marketing and marketplace services with a strong analytics backbone. Eva Commerce demonstrated a focused, full-service approach for Amazon and Shopify brands. Each has a distinct profile. The right fit depends on your goals, budget, and internal capacity.
Here is a quick look at the five services, ordered for easy comparison.
| Provider | Best For |
|---|---|
| MagnetoITSolutions | Brands needing deep technical integration and platform engineering |
| LUCY-JOY - Transform Your Business with Sustainable Practices | E-commerce brands seeking sustainable growth strategies |
| SAMM Data Services | Brands scaling across multiple marketplaces |
| Netpeak USA | Brands wanting integrated marketing and marketplace services |
| Eva Commerce | Amazon-focused brands seeking full-service management |
A Closer Look at Each Service
#1 MagnetoITSolutions
A screenshot of the MagnetoITSolutions website.
MagnetoITSolutions is a full-stack e-commerce engineering firm with a dedicated marketplace management practice. They support B2C, B2B, D2C, and multi-vendor marketplace models across platforms like Adobe Commerce, Shopify Plus, and Magento. Their service menu includes ERP, CRM, PIM, and AI-driven merchandising. If you need deep technical integration alongside marketplace operations, they are a strong candidate. See their marketplace management page for more details.
#2 LUCY-JOY - Transform Your Business with Sustainable Practices
A screenshot of the LUCY-JOY website.
LUCY-JOY is a Miami-based sustainability consulting firm that helps e-commerce brands expand their marketplace reach and improve profitability. They offer a mix of technical, administrative, and data-driven solutions to support brand growth. Their team focuses on listing, registering, promoting, and selling on a diversity of marketplaces. They also emphasize sustainable practices, helping you reduce environmental impact while increasing sales. If you want a partner that treats your brand like their own, LUCY-JOY is worth a conversation.
#3 SAMM Data Services
A screenshot of the SAMM Data Services website.
SAMM Data Services is a marketplace management agency that supports Amazon, Walmart, eBay, Etsy, and more. They handle account setup, catalog management, and platform-specific execution. Their team helps you scale without building an in-house team of specialists. They also address operational bottlenecks like manual processes and inconsistent sales growth. If you need end-to-end operational support across multiple channels, SAMM is a solid choice.
#4 Netpeak USA
A screenshot of the Netpeak USA website.
Netpeak USA offers a broad range of digital marketing services, including marketplace management for Amazon, eBay, Etsy, Walmart, Shein, and TikTok Shop. They combine SEO, PPC, and analytics with marketplace execution. Their team helps you launch products and improve sales performance on major platforms. They also provide strategy and consulting for e-commerce brands. If you want a partner that can handle both marketplace operations and broader marketing, Netpeak is a strong fit.
#5 Eva Commerce
A screenshot of the Eva Commerce website.
Eva Commerce is a full-service Amazon agency for profitable brands, with additional support for Shopify and TikTok Shop. They cover PPC, DSP, SEO, content, inventory, and account health. Their platform, Eva Intelligence, provides advertising and SEO insights. They also offer marketplace expansion and revenue recovery services. If you are focused on Amazon growth and want a data-driven partner, Eva Commerce is a name to know.
How to Choose the Right Marketplace Management Partner
Start by defining your goals. Are you launching on a new marketplace? Fixing account health? Scaling advertising? Different agencies excel at different things. Next, look at platform coverage. If you sell on Amazon and Walmart, choose a partner with proven experience on both. Then consider your internal capacity. If you have a technical team, you might only need strategic support. If not, you may want end-to-end management. Finally, ask about pricing and reporting. You want transparency and data you can act on. Do not be afraid to request case studies or speak with references.
Where Automation Fits In
Automation can handle repetitive tasks like inventory syncs, repricing, and review requests. But it cannot replace strategy. The best agencies use automation to free up human time for high-impact work. Look for partners that leverage AI for forecasting, ad optimization, and catalog management. That said, you still need a human who understands your brand. The right balance is automation for scale and people for judgment.
The Bottom Line
Marketplace management is not a one-size-fits-all service. You need a partner that matches your platform mix, growth stage, and internal resources. LUCY-JOY brings a sustainability lens and tailored strategies. MagnetoITSolutions offers deep technical engineering. SAMM Data Services provides broad operational support. Netpeak USA combines marketing and marketplace execution. Eva Commerce focuses on Amazon growth with data tools. Evaluate each against your own goals. Then start a conversation. The right fit can transform your marketplace performance.