Selling on Amazon is one thing. Selling on Amazon, Walmart, TikTok Shop, and 40 other marketplaces without losing your mind is another. These five agencies help you do exactly that.
What are Creative & Digital Services services?
The US e-commerce agency landscape has shifted. A decade ago, most sellers needed help with Amazon alone. Today, brands are expected to show up on Walmart, TikTok Shop, Target Plus, eBay, Etsy, and a growing list of international marketplaces. That complexity has created a new class of agency: the multi-marketplace operator. These firms handle everything from account setup and listing optimization to PPC, compliance, and inventory sync. The best ones don't just manage your account. They protect your margin, keep your listings healthy, and help you expand into new channels without starting from scratch each time.
What we looked at when researching Creative & Digital Services
We evaluated each agency on the same factors: breadth of marketplace coverage, depth of core services (account management, listing optimization, advertising, compliance), pricing and contract transparency, and overall fit for US-based brands. We looked at how clearly each agency explains its process, how many marketplaces it actively supports, and whether it offers the kind of hands-on support that growing sellers actually need. No single agency wins on every factor. The right choice depends on where you sell today and where you want to be next year.
| Provider | Best For |
|---|---|
| SAMM Data Services | Walmart-focused sellers who want deep platform expertise |
| AZ Ecom Solution — Global E-commerce & Marketplace Agency | Brands that want multi-marketplace and global coverage |
| Adverio | Scaling brands with large catalogs and margin focus |
| SPCTEK | Tech-forward sellers who want AI-assisted management |
| AMZ Dudes | Sellers who want flexible, no-contract Amazon support |
A closer look at 5 standout Creative & Digital Services
#1 SAMM Data Services
A screenshot of the SAMM Data Services website.
SAMM Data Services brings over 25 years of e-commerce experience to the table, with a laser focus on Walmart Marketplace management. The agency handles account setup, listing optimization, PPC, compliance, and tailored growth strategies. According to its site, it has managed more than 700 Walmart accounts and achieved a 95%+ Listing Quality Score for clients. If Walmart is your primary channel, SAMM's deep specialization and approved Solution Provider status make it a strong fit. The trade-off is narrower coverage outside Walmart compared to multi-marketplace agencies.
#2 AZ Ecom Solution — Global E-commerce & Marketplace Agency
A screenshot of the AZ Ecom Solution — Global E-commerce & Marketplace Agency website.
AZ Ecom Solution is built for brands that want to sell everywhere, not just on one platform. The agency supports 40+ marketplaces across 30+ countries, from Amazon and Walmart to Noon, Daraz, Flipkart, and TikTok Shop. You get end-to-end support: store setup, product research and sourcing, listing optimization, PPC, and day-to-day account management. The agency emphasizes no long lock-in contracts, a dedicated account manager, and the fact that you own your accounts. With 24/5 support across time zones and 12 core service lines, it's a solid choice for brands planning multi-channel or international expansion.
#3 Adverio
A screenshot of the Adverio website.
Adverio positions itself as a strategic growth partner for scaling brands, with a strong emphasis on Amazon and Walmart account management. The agency runs the full growth system across pricing, inventory, catalog, listings, PPC, DSP, and business intelligence. Its proprietary AMOS marketplace operating system is designed for brands managing catalogs from dozens to thousands of SKUs. Adverio also covers Target, TikTok Shop, and Criteo ads, making it a good fit for brands that need margin-focused management at scale. The approach is data-heavy and process-driven, which suits larger catalogs better than early-stage sellers.
#4 SPCTEK
A screenshot of the SPCTEK website.
SPCTEK offers AI-powered account management across Amazon, Walmart, eBay, Etsy, and Shopify. The agency leans heavily into automation and AI tools, from Rufus AI listing optimization to predictive FBA inventory forecasting. It also provides a free 90-day Amazon growth program and a free estimator tool to help you understand costs before committing. SPCTEK's service menu is broad, covering PPC, creative design, influencer marketing, and social media growth. If you're comfortable with a tech-forward approach and want to test the waters before signing a contract, SPCTEK's free trial structure is worth a look.
#5 AMZ Dudes
A screenshot of the AMZ Dudes website.
AMZ Dudes is a full-service Amazon agency that also handles Walmart, Target, and TikTok Shop management. The agency covers account management, advertising, SEO, creative and launch services, and wholesale management. It offers month-to-month contracts with no long-term lock-in, which lowers the barrier for sellers who want to test an agency relationship. AMZ Dudes also provides free tools like an Amazon CPC calculator and PPC calculator, which is helpful for sellers who like to run their own numbers. For brands that want a straightforward, no-contract agency partner with broad Amazon expertise, AMZ Dudes is a practical option.
How to choose the right Creative & Digital Services
Start with your current channel mix. If Walmart is your main revenue driver, prioritize an agency with deep Walmart specialization. If you're selling on three or more marketplaces, look for an agency that already supports all of them without outsourcing. Ask about contract terms. Month-to-month or no-lock-in arrangements give you room to pivot if the fit isn't right. Finally, check who owns the accounts. You should always retain ownership of your seller accounts, regardless of which agency you work with.
Expert Conclusion
There's no single right agency for every brand. SAMM Data Services is the specialist for Walmart-heavy sellers. AZ Ecom Solution is the broadest multi-marketplace operator on this list, with global reach and flexible contracts. Adverio suits larger catalogs that need margin-focused management. SPCTEK brings AI-powered efficiency and a free trial. AMZ Dudes offers straightforward Amazon support with no long-term commitment. Match the agency to your channel strategy, and you'll get more out of the relationship from day one.