eCommerce CRO Agency: How to Choose the Right One for Your Store

Looking to Hire an eCommerce CRO Agency? Here’s How to Choose the Right One

So, you’ve made the smart decision to hire an eCommerce CRO Agency. That’s a big step toward turning more website visitors into paying customers—well done!

But now comes the tricky part: how do you choose the right eCommerce CRO Agency from the dozens (or even hundreds) out there?

If you’re feeling overwhelmed, you’re not alone. And you’re definitely in the right place.

In this guide, we’ll walk you through how to select the right eCommerce CRO Agency for your business. Whether you’re a startup, e-commerce brand, or established enterprise, choosing the wrong partner can cost you time and money, so it’s important to get it right from the start.

Read more about The Best Branding Agency for Startups

What Is an eCommerce CRO Agency and Why Does Your Store Need One?

A Conversion Rate Optimization (CRO) agency specializes in improving the percentage of your website visitors who take a desired action, whether that’s making a purchase, signing up for a newsletter, or adding products to the cart. For eCommerce businesses, this means boosting sales without increasing traffic.

So, why do you need one? Because more traffic without conversions = wasted budget. A CRO agency for eCommerce uses data, A/B testing, heatmaps, and UX tweaks to optimize your online store for higher performance.

Read more about The Best Ecommerce SEO Company.

Key Factors to Consider When Choosing a CRO Agency for eCommerce

Not all CRO agencies are created equal. Before signing any contracts, here are some key things to consider:

• eCommerce Expertise: Choose an agency that has proven experience in optimizing online stores, not just general websites.
• Industry Knowledge: If they’ve worked with brands in your niche, that’s a huge plus.
• Data-Driven Approach: Look for agencies that make decisions based on analytics, not gut feeling.
• Clear Process: A great CRO agency should walk you through their process: research, hypothesis, testing, and implementation.
• Proven Results: Ask for real case studies with measurable improvements.

Top Services Offered by the Best eCommerce CRO Agencies

CRO agencies provide many services, such as the ones below:

• Landing page optimization
• Website design and management
• A/B and multivariate testing
• Personalization and segmentation
• User experience (UX) research and design
• Website analytics and reporting
• Conversion audits
• Funnel optimization
• Customer journey mapping.
• Analytics setup and tracking.
• Email capture and pop-up optimization.
• Checkout process improvement.

Regardless of the service, the aim stays the same. The goal of conversion rate optimization is to make changes that make the experience of the customer better and, as a result, boost your brand’s sales and conversion rate. To do this, you need a methodical, data-driven way to look at user behaviour, find things that stop people from converting, and figure out what to try to get rid of those barriers.

Additionally, copywriters, designers, and developers must work together on it, which can be challenging for someone in charge of an e-commerce site or on the marketing team. CRO agencies do all of this as their job, from the study and analysis to testing the hypothesis that will lead to more conversions.

How to choose an ecommerce CRO agency 

There are a lot more agencies that offer CRO or landing page services now than there were a few years ago. Additionally, there are many choices, but it’s too easy to make the wrong one. It is very important to find a CRO agency that knows your business and shares your goals. Here are four factors to consider while selecting a CRO agency:

1. Track record

When choosing an ecommerce CRO agency, look at their list of past clients. Look for agencies that have worked with ecommerce brands like yours before and get results. Read client reviews, case studies, and past projects to get an idea of how well their strategies work.

2. Specialization

There’s really no universal method for CRO that works for everyone. You’ll want to tailor your CRO strategy to fit your industry, target market, products and services, traffic sources, and a few other factors. An agency that really knows your industry or niche is in a much better spot to handle that customisation compared to those that don’t have that kind of expertise. What’s the reason for that? There might be some specific details related to your industry or what you offer that need to be considered.

Take skincare and beauty brands, for instance, that offer a wide variety of moisturisers, cleansers, and other products. Absolutely, it’s really important to make sure people can tell the products apart so they know what each one is for and how they differ.

But since these brands cover a wide range of skin tones, issues, and lifestyle choices, it’s important to provide some reassurance to help encourage conversions.

An agency that lacks industry expertise might miss out on important details like this, which could really hold back the effectiveness of the CRO strategies they create.

3. Methodology 

eCommerce CRO agencies really ought to break down their approach and show how it leads to results. Try to find an agency that has a clear and detailed optimisation process. This includes how they acquire and analyse quantitative and qualitative data, put solutions into action, and continue to innovate.

Be wary of agencies that rely largely or exclusively on “best practices.” It’s great to look at CRO strategies that have worked for other ecommerce brands when you’re brainstorming ideas for your own, but they really shouldn’t be the main focus of your conversion rate optimization strategy.

If you’re talking with any good eCommerce CRO agency, they’ll definitely want to create a tailored strategy that focuses on what’s working for your business and what isn’t. They’ll keep updating their understanding of how your ecommerce store is doing and what influences it, allowing them to tweak their suggestions and strategies as needed.

4. Cost

Costs for CRO agencies can really differ, so it’s a good idea not to limit your search just to fit your budget for the services you’re looking for. Think about how skilled each agency is, as it can really affect how much you might get back on your investment, whether that’s a good or bad thing. You’ll want to figure out which fee structure suits you best, whether that’s an hourly project fee or a monthly retainer.

Pro tip: Be careful with those incentive-based pricing plans where agencies say they’ll run a specific number of tests each month. Testing is definitely important, right? A solid agency really focuses on running the right kinds of tests for your business, rather than just ticking off boxes to meet a quota.

The 5 Best eCommerce CRO Agencies

Are you on the hunt for an eCommerce CRO agency to hire? Let’s take a look at the top five agencies to help you get started..

1. Techdella

Techdella is a fast-rising global eCommerce CRO agency helping businesses unlock growth by turning more website visitors into loyal, paying customers. With a cross-functional team of CRO experts, UX designers, and analysts, Techdella works with eCommerce, SaaS, and enterprise brands to significantly boost conversion rates through experimentation, personalization, and user-centric design.

Whether you’re a growing online store or a large enterprise seeking scalable optimization strategies, Techdella provides tailored solutions to maximize revenue without increasing your traffic spend.

Key Services

1. Conversion Rate Optimization (CRO)

Techdella takes a data-driven and interactive approach to conversion rate optimization. Each engagement begins with deep research and A/B testing to identify friction points and optimize website elements—from CTAs and product pages to the checkout experience. Every decision is grounded in user behavior and measurable outcomes.

2. Personalization

Techdella helps brands create highly personalized user journeys that match individual customer needs. Using real-time data, behavior tracking, and dynamic content, Techdella’s personalization strategies increase relevance, engagement, and ultimately—conversion.

3. Product & Pricing Experimentation

Rather than relying on assumptions or traditional focus groups, Techdella uses live product and pricing experimentation to test what actually drives results. From dynamic pricing models to offer variations, they help brands identify the most effective strategies to grow revenue.

4. User Experience Research (UXR)

Understanding the “why” behind user behavior is central to Techdella’s process. Through in-depth UX research, heatmaps, surveys, and session recordings, the agency uncovers actionable insights that inform smarter design and conversion strategies.

5. Conversion-Centered Design

At Techdella, UX and UI design are not just aesthetic—they’re strategic. The team applies conversion-centered design principles to ensure every page layout, button, and visual element contributes to user flow and goal completion. Mobile-first, fast-loading, and friction-free experiences are a standard.

6. Enterprise CRO Consulting & Training

For larger organizations looking to scale their CRO efforts internally, Techdella offers enterprise consulting services. This includes building internal CRO systems, training stakeholder teams, and setting up continuous optimization workflows that align with your business goals.

Notable Clients: SchoolUp, PayCape, Johan Consults, BlueCart, Hunt, QuickLaunch, Etc.

Pricing

Techdella offers custom pricing based on your business size, goals, and scope of engagement. Whether you’re looking for a full-service CRO partner or a strategic consultant to support in-house teams, Techdella tailors packages to deliver high ROI. Pricing details are available upon request.

Why Techdella Stands Out

Here are the following reasons why Techdella stands out as one of the top ecommerce CRO agency:

• Data-led decision making
• Full-funnel optimization strategies
• CRO services built specifically for eCommerce
• UX and experimentation combined under one roof
• Global clients and results across industries
• Scalable programs for both SMBs and enterprise brands

Read more about What Sets Techdella Apart from Other Startup Platforms.

2. Conversion

Conversion is a CRO agency that operates on a global scale. The company has more than 100 employees spread across Europe and North America, collaborating with enterprise, ecommerce, and SaaS organisations to boost conversion rates. 

Key Services:

1. Conversion rate optimisation: Conversion uses an interactive approach to CRO. The company starts things off with split testing to see how various website elements influence conversion rates. 
2. Personalization: Conversion digs into what customers really need and spots those chances for tailoring experiences just for them. 
3. Product and pricing experimentation: Conversion takes a hands-on approach. Instead of just leaning on focus groups, they dive into experimentation to assist companies in crafting their pricing strategies. 
4. User experience research (UXR): Conversion leverages user experience research (UXR) to uncover the reasons behind customer behaviour. 
5. Conversion-centered design: The web development program at Conversion is built on the foundation of user experience (UX).
6. Enterprise program consulting: Conversion is all about helping companies set up their own in-house CRO programs. The agency’s CRO experts offer training for the internal team as well.

Notable clients: Facebook, Toyota, Canon, Microsoft, Samsung, and Google. 

Pricing:Not available.

3. Structured

Structured is a performance marketing agency that brings over 15 years of experience to the table. They collaborate with more than 150 brands, focusing on areas like health and wellness, sports and outdoor activities, pets, food and beverages, as well as apparel and accessories. 

Key services: 

1. CRO services: Structured brings together UI and UX design to help make your website more effective at converting visitors.
2. Email + SMS marketing: Structured assists brands in creating email and SMS marketing campaigns that really drive clicks. 
3. Paid media: Structured runs paid media campaigns on various platforms like TikTok, Facebook, Instagram, and Google ads.
4. Content creation: Structured manages photography and video ad production and editing for your social media marketing channels. The company gets content from users too.

Notable clients: Bullymake, RoadRunner Sports, Free Fly Apparel, Feetures, and Unilever.

Pricing: Not available. 

4. KlientBoost

KlientBoost is a performance marketing agency that works with more than 250 clients. Brands have the option to either outsource their marketing efforts to KlientBoost or collaborate with them on specific projects, like creating a CRO strategy. The company provides options for one-time CRO audits or ongoing CRO consulting and management services.

Key services: 

• CRO: KlientBoost uses A/B testing to help enhance your conversion funnel. Their CRO experts create landing pages tailored for all kinds of campaigns.
• Paid Advertising: KlientBoost runs paid campaigns on platforms like Facebook, Google, and LinkedIn, to name a few. 
• SEO: KlientBoost is all set to create a content marketing strategy that includes search engine optimisation and link-building services.
• Email marketing: KlientBoost will create and implement your email marketing plan. 

Notable clients: Airbnb, Upwork, Hotjar, Gorjana, and Wunderkind.

Pricing: KlientBoost has a partnership where they split the revenue. Potential clients can fill out a questionnaire on the company’s website and get three pricing options to choose from.

5. Single Grain

Single Grain is a digital marketing agency that works with online schools, SaaS companies, and e-commerce brands. Started in 2014, the company has grown from being just an SEO agency to becoming a full-service marketing partner.

Key services: 

1. Conversion rate optimization services: Single Grain offers conversion rate optimization services by leveraging qualitative data and customer research to enhance experimentation. The agency uses A/B testing to keep improving all the time. Single Grain takes what they learn to create landing pages and make your website better.
2. Content Marketing: Single Grain creates and carries out your content marketing plan, which may include writing blog posts, e-books, email campaigns, and case studies.
3. Paid advertising: Single Grain is here to help businesses craft PPC ad campaigns that really convert. They work across various platforms like Facebook, Instagram, TikTok, YouTube, Amazon, and Google.

Notable clients: Amazon, Nordstrom Rack, Peets Coffee, Fujitsu, and Hestan.

Pricing: Not available. 

CRO Metrics That a Reliable Agency Should Focus On

If your agency isn’t watching the right KPIs, they’re flying blind. The most important CRO metrics include:

• Conversion Rate (CVR)
• Average Order Value (AOV)
• Cart Abandonment Rate
• Bounce Rate
• Click-through Rate (CTR)
• Customer Lifetime Value (CLV).

A good agency will track, measure, and optimize based on these metrics to ensure long-term results.

Questions to Ask Before Hiring an eCommerce CRO Expert

Before you sign a contract, ask these critical questions:

1. Do you have case studies in my industry?
2. What tools do you use for testing and analysis?
3. How do you prioritize what to test?
4. How often will I get updates?
5. What kind of ROI should I expect?

These questions help weed out agencies that talk the talk but don’t walk the walk.