Top 5 Shopify Plus Agencies for eCommerce Brands in 2026

The right Shopify Plus agency can help brands improve conversions, scale faster, and create better customer experiences. In 2026, leading agencies go beyond store development, combining Shopify Plus expertise with CRO, UX, retention marketing, AI visibility, and performance-driven growth.

To help brands choose the right partner, we’ve shortlisted five Shopify Plus agencies known for strong results, technical expertise, and eCommerce growth performance.

Key Industry Insights

In 2026, the strongest Shopify Plus agencies combine technical commerce expertise with AI visibility, CRO, retention marketing, and performance-driven UX. They’re not just dev shops anymore.

• Up to 90% of brands see higher ROI after partnering with a Shopify Plus agency
• Top reasons brands hire one: drive more sales (35%), improve eCommerce UX (25%), increase conversions (20%)
• What matters most when choosing: proven results, Shopify Plus expertise, and communication

Top 5 Shopify Plus Agencies

1. Kinex Media – Best Overall Shopify Plus Partner

Data-driven Shopify growth experts delivering stores that convert.

18 years active · Shopify Plus Partner · 98% client retention · +48% revenue growth · 4.9/5 rating

Kinex Media isn’t a generalist agency that happens to do Shopify Plus. 18 years in digital commerce, a certified Shopify Plus Partner, and a 98% client retention rate that speaks louder than any case study.

2. G&Co. – Best for High-Growth Brands

Award-winning Shopify Plus agency based in NYC.

14 years active · 85+ storefronts built · +24% YoY client growth · 4.3/5 rating

Strong brand thinking meets eCommerce execution. G&Co. is a solid pick for mid-market brands that need strategy and Mobile Commerce expertise under one roof.

3. Swanky – Best for Premium eCommerce Experiences

Shopify Platinum Partner focused on conversion and performance.

16 years active · Shopify Platinum Partner · +22% conversion rate · +34% revenue growth · 4.6/5 rating

One of the rarest certifications in the Shopify ecosystem. Swanky builds stores that feel premium and perform at scale — strong in eCommerce UX and Revenue Growth.

4. Blue Acorn iCi – Best for Enterprise eCommerce

Complex omnichannel commerce for ambitious brands.

18 years active · 190+ omnichannel deployments · 86% client retention · 4.1/5 rating

Built for enterprise complexity — multi-region, large catalogues, ERP integrations. If your Omnichannel Commerce setup is genuinely complex, they’ve done it before.

5. Tinuiti – Best for Performance Marketing

Performance marketing agency driving Shopify revenue growth.

22 years active · +35% avg. ROAS increase · -14% CAC reduction in 6 months · 4.2/5 rating

Not a dev shop — a paid media powerhouse. If Google Ads and Meta Ads are your primary growth engine, Tinuiti knows that game cold.

Why E-commerce Brands Hire Shopify Plus Agencies

Most brands don’t hire an agency because things are going well. They hire one because growth has stalled, or they know they’re leaving money on the table.

The top drivers in 2026:

• More sales through better Conversion Rate Optimization
• Faster, more intuitive eCommerce UX across mobile and desktop
• Lower customer acquisition cost through smarter Performance Marketing
• Higher lifetime value through Customer Retention and Email Marketing
• Technical fixes — Search Engine Optimization, site speed, Shopify Apps, and GA4

But the real reason? They want someone who’s done it before — so they don’t have to figure it out themselves.

Frequently Asked Questions

1. What services do Shopify Plus partners offer?

Shopify Plus Partners are agencies and solution providers recognized by Shopify for their expertise in delivering enterprise-level eCommerce solutions. Kinex Media is a certified Shopify Plus Partner offering a comprehensive suite of Shopify Plus services, including store design and development, platform migrations, custom theme development, UX/UI design, conversion rate optimization (CRO), B2B and wholesale solutions, international expansion, checkout customization, mobile commerce optimization, third-party integrations, and ongoing growth strategy support.

2. Is Shopify Plus worth it for growing brands?

Yes — if you’re past $500K in revenue and hitting platform limits. You get advanced checkout optimization tools, higher API limits, B2B commerce features, and dedicated support. Pair it with the right Shopify Plus Partner, and the ROI compounds fast.

3. What should brands look for in a Shopify Plus agency?

Real metrics, not just case studies. CRO thinking is built into the process — not added after launch. Technical depth across SEO, Headless Commerce, and Shopify Apps. Retention marketing through Klaviyo and email marketing. And honest, consistent communication.

4. Which Shopify Plus agencies specialize in enterprise e-commerce?

Kinex Media has handled enterprise projects across fashion, beauty, health & wellness, home goods, and retail, covering large-scale Shopify Plus migrations, custom Shopify App development, and full omnichannel commerce builds. With 48% average revenue growth and a 2.1s site load time, they build for scale.

Looking for a Shopify Plus agency focused on performance, AI visibility, and conversion growth? Speak with the Kinex Media team to discuss your eCommerce goals.