Managing and converting your Shopify traffic can feel like playing whack-a-mole at a carnival.

You fix one problem, another one pops up. You plug a leaky checkout, and boom, cart abandonment out of nowhere. Like chaos with a smiley face.

That’s where a great Shopify CRO agency comes in. The right team doesn’t just tweak button colors or headlines, they can rebuild your entire online experience so your visitors actually buy something, not just browse and bounce.

We’ve rounded up eight agencies that don’t just talk about results, they deliver them. Each one has a proven track record of helping Shopify brands grow revenue, boost conversions, and keep customers coming back for more.

Tired of playing whack-a-mole with your revenue? Here are some potential partners for your Shopify store.

How These CRO Agencies Actually Get Results

Got no time? Here’s a summary of the top three:

1. Spiralyze

Spiralyze isn’t your run of the mill CRO shop. They’re the only agency on this list that’s 100% focused on conversion rate optimization. Their entire playbook is built around one thing: getting you measurable lifts, fast.

They invented the predictive CRO strategy, using insights from over 78,000 A/B tests to forecast what works before they even start testing. That means faster wins, smarter experiments, and results you can actually see on your Shopify dashboard.

Why brands love them:

• 100% performance based pricing (you only pay for results)
• First live test in 2 weeks
• Average conversion lift of 30 to 38% in 90 days
• Full service setup with analytics, heatmaps, and dev support

They helped Promescent hit a 30% conversion increase by testing checkout flows, product pages, and trust signals. Spiralyze doesn’t test colors, they test psychology and combine it with machine learning. If you want a CRO partner that acts like part of your growth team, this is the one.

2. Blend Commerce

Blend Commerce is built for Shopify stores that are tired of slow, incremental growth. They dig into your funnel to find where money leaks out and patch it with smart fixes.

Their numbers speak for themselves:

• 70% average revenue growth in a year
• 37% higher average order value
• 21% more repeat buyers

Blend doesn’t rely on lucky guesses. They run full conversion audits, find friction points, and design high impact A/B tests that actually change behavior. Every test they launch is meant to move revenue, not just look good on a slide deck.

3. ValarDigital

ValarDigital is the agency you call when you’re done trying cookie cutter CRO tactics. They tailor their optimization roadmap to your store.

Big wins:

• Doubled conversions for Purdy and Figg
• Built long term growth strategies that scale sustainably

They don’t just hand you a list of fixes. They build a system that keeps improving itself through testing and refinement. It’s CRO with patience, depth, and strategy behind it.

4. Cake Agency

Cake Agency mixes design and CRO in a way that actually makes sense. As certified Shopify Plus Partners, they bring both creative flair and conversion focus to the table.

Their in house CAKE theme is optimized for conversions, meaning your store gets a design that’s beautiful and built to sell.

Why they stand out:

• Certified Shopify Plus Partner
• Conversion optimized CAKE theme
• Full UX/UI redesign with data backed improvements
  

If your store looks good but doesn’t perform, Cake makes it both sweet and smart. (Sorry, couldn’t resist.)

5. SplitBase

SplitBase gets into your customer’s head. They specialize in DTC brands and use customer psychology, interviews, and analytics to understand why people buy (or don’t).

What they do best:

• Combine qualitative and quantitative data
• Run in depth customer interviews
• Focus on emotional triggers that drive buying decisions

Their testing goes beyond button placement or CTA copy. They experiment with messaging, trust signals, and page flow to match real user intent.

6. inBeat

inBeat is a rare breed that combines CRO with influencer marketing and SEO. They optimize everything that affects your growth, not just your site.

Proof it works:

• 72% conversion lift and 241% sales growth for Joovv

They help you attract the right traffic, then make sure that traffic converts. If your growth engine needs both reach and conversion, inBeat covers both ends beautifully.

7. Trellis

Trellis looks at CRO as a full growth system. They combine optimization, catalog management, and retention strategies to improve not just first time sales but lifetime value.

Their results speak volumes:

• 136% sales increase from homepage optimization
• 40% more returning customers
• 162% boost in average order value

They think long term, helping you build customer relationships that pay off for months, not just weeks.

8. Cro.media

cro.media is all about speed and accountability. Their team runs fast, detailed audits that pinpoint what’s blocking your conversions, then fixes it, usually within days.

Their offer is simple:

• 36 hour audit turnaround
• 25 plus page reports with actionable steps
• Pay for performance billing (you win, they win)

They’re perfect if you want to get insights fast and start improving without waiting through long discovery phases.

What You Actually Get from a CRO Partner

The best Shopify CRO agencies cover the whole journey, from the first click to the repeat purchase. They don’t just tweak surface level design elements, they optimize every piece of the customer journey so your site feels seamless, persuasive, and built to convert.

Core CRO services (the foundation work):

• Site and funnel audits: A deep dive into how visitors move through your store, pinpointing where they drop off and why. It’s like a detective report for your conversion leaks.
• A/B and multivariate testing: Controlled experiments to see which designs, layouts, or messages drive the most action. The goal? Stop guessing and start proving what works.
• Heatmaps and behavior tracking: Visual maps that show where users click, scroll, and hesitate. You’ll literally see what catches attention and what gets ignored.
• Checkout and landing page optimization: Turning interest into action by simplifying steps, adding trust elements, and reducing distractions right before the sale.
• Performance and speed fixes: No one buys from a slow store. Faster load times mean better user experience, happier shoppers, and higher Google rankings.

Advanced CRO add ons (the growth accelerators):

• Personalization and segmentation: Delivering tailored experiences for different audience segments, so each shopper feels like the site was built for them.
• Retention and email campaign optimization: Keeping customers coming back through smarter emails, loyalty flows, and re engagement campaigns.
• Upsell and cross sell strategies: Strategically suggesting add ons or upgrades that increase average order value without feeling pushy.
• Post purchase experience design: Making sure customers love your brand after they buy, confirmation pages, follow ups, and thank you emails that spark loyalty.

Great CRO doesn’t stop at your first win. Many agencies also integrate tools like Shopify Mobile App Builder to refine customer touchpoints and keep optimization consistent across your store. It compounds over time, turning short-term lifts into long-term growth by constantly refining every customer touchpoint.

How to Pick the Right CRO Agency

Finding the right CRO partner is like dating. You need chemistry, trust, and proof they can deliver. Look for agencies that align with your goals, communicate clearly, and back every promise with data.

What to look for:

• Proven success with similar stores
• Clear reporting and transparent testing
• Fast testing cycles and clear timelines
• Integration with your Shopify tech stack
• Performance based pricing (so you’re not gambling)

You want a team that feels like part of your own, strategic, proactive, and obsessed with growth.

Frequently Asked Questions

Before we jump into the questions, here’s a quick note. CRO can sound complicated, but it’s really about understanding people. If you’ve ever wondered what these agencies actually do or how soon you’ll see results, this section breaks it down without the buzzwords.

What do Shopify CRO agencies actually do?

They analyze your store, find what’s stopping people from buying, and fix it through A/B testing, UX design, and performance optimization. Some also handle personalization and retention campaigns for long term growth.

How fast can I see results?

Usually within 2 to 8 weeks after testing starts. Agencies like Spiralyze even guarantee first tests live in two weeks, with major lifts in 90 days.

What metrics matter most?

Conversion rates, average order value, customer retention, and total revenue lift. The real pros also look at lifetime value and cart abandonment to get a full picture.

How does CRO improve user experience?

It smooths out every friction point, from confusing navigation to messy checkout forms, so your visitors can actually enjoy buying from you.

Why go data driven?

Because guessing is expensive. Data backed testing shows you what actually works and lets you scale confidently without wasting time or money.