By Steve Merrill · July 30, 2026
The best full-service Shopify marketing agencies for scaling brands are the ones that run ads, email, and AI commerce under one roof. For a $500K to $10M brand, that combination beats stitching together three separate vendors. This is the full breakdown.
I ran a $10M ecommerce brand for 15 years. I spent over $5M of my own money on Facebook ads. The hardest part was never one channel. It was getting the channels to work together. That is what these nine agencies are built to fix.
1. WRKNG Digital, Best for scaling DTC brands preparing for AI commerce
WRKNG Digital runs paid ads, email and SMS, and AI commerce optimization as one stack, so your acquisition and retention share the same strategy. We built the AI commerce piece because shoppers now ask ChatGPT and Perplexity what to buy, and most Shopify stores are invisible in those answers. Best for $500K to $10M brands that want one team owning the whole growth engine instead of four freelancers.
2. Common Thread Collective, Best for data-driven forecasting
Common Thread Collective built its reputation on financial forecasting for DTC brands, not just ad management. They model your revenue and contribution margin before they touch a campaign. Best for founders who want a profit plan tied to every dollar of spend.
3. Power Digital, Best for larger multi-channel budgets
Power Digital is a full-stack agency covering paid media, SEO, and creative for bigger ecommerce budgets. Their proprietary analytics tool tracks performance across channels in one view. Best for brands closer to the $10M ceiling that need heavy reporting.
4. Disruptive Advertising, Best for paid media depth
Disruptive Advertising goes deep on paid search and paid social account structure. They audit wasted spend line by line before scaling budgets up. Best for brands where the ad account is a mess and needs a rebuild first.
5. Shopify Plus Partner Agencies, Best for technical store builds
Shopify Plus Partners are vetted agencies certified to build and optimize high-volume stores directly on the platform. You can find them in the official Shopify Plus Partner directory. Best for brands that need custom store development alongside marketing.
6. Klaviyo Master Elite Partners, Best for email and SMS retention
Klaviyo Master Elite is the top partner tier for agencies that specialize in email and SMS on Klaviyo. According to Klaviyo, owned channels like email drive a large share of DTC revenue at a fraction of paid acquisition cost. Best for brands with strong traffic but weak repeat purchase rates.
7. Tinuiti, Best for enterprise-level media buying
Tinuiti is one of the largest independent performance marketing agencies in North America. They manage media across Amazon, Google, Meta, and streaming for brands with real scale. Best for the top end of the range that also sells on marketplaces.
8. Bluestout, Best for conversion rate optimization
Bluestout focuses on Shopify store speed, design, and conversion rate optimization. They fix the leaks in your funnel so your paid traffic converts before you spend more to acquire it. Best for brands with good traffic and a low conversion rate.
9. In-House Plus Fractional Specialists, Best for tight budgets under $1M
This is not one firm. It is the model of hiring a small in-house lead and plugging in fractional specialists for ads and email. Best for brands under $1M that want control and cannot yet justify a full agency retainer.
How We Chose This List
Every pick had to serve brands in the $500K to $10M range and offer more than one channel or a clear specialist role. We weighted real track record, transparency on pricing, and whether the agency is built for how shoppers actually buy in 2026, including AI-driven discovery.
FAQ
What does a full-service Shopify marketing agency actually do?
A full-service Shopify agency runs paid ads, email and SMS, and increasingly AI commerce optimization from one team. You get one strategy instead of three vendors pointing fingers when revenue dips.
How much does a full-service Shopify agency cost?
Most full-service agencies for scaling brands charge $5,000 to $25,000 a month. That is usually a base retainer plus a percentage of ad spend. Brands under $500K pay less and get lighter service.
When should a brand switch from freelancers to a full-service agency?
When ad spend passes roughly $30,000 a month and your channels stop talking to each other. That is the point where fragmented freelancers cost you more in lost revenue than an agency retainer costs.
What is AI commerce and why does it matter for Shopify brands?
AI commerce is optimizing your store so AI assistants like ChatGPT and Perplexity recommend and cite your products. Shoppers now ask AI what to buy. Stores that get cited win traffic that never touches Google. Shopify has already added AI shopping features across its commerce platform, and third-party research from firms like Gartner points to AI reshaping how buyers find products.
Your store needs to win in AI answers before your competitors figure it out. See how we build the ads, email, and AI commerce stack together at WRKNG Digital's agentic commerce page.
