Top AB Testing Companies
Most product and marketing decisions involve a guess. A/B testing companies replace those guesses with controlled experiments — running two or more variations of a page, email, or feature simultaneously and measuring which version drives better outcomes.
The firms listed in this directory are vetted through Clutch's verified review process, so you can compare agencies based on real client feedback rather than sales pitches. These companies work across web and mobile, running tests on landing pages, checkout flows, onboarding sequences, ad creatives, and pricing displays. They typically handle hypothesis development, test design, statistical analysis, and implementation within platforms like Optimizely, VWO, or Google Optimize. Related directories: software testing companies, unit testing services, and digital marketing agencies for teams that combine experimentation with broader growth strategy.
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UndisclosedUndisclosedFreelancer
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Email Marketing company Amy Ciceraro specializes in Email Marketing and UX/UI Design. They are headquartered in Savannah, Georgia.
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UndisclosedUndisclosedFreelancer
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New Oceans Digital is a small Market Research company launched in 2019. Their services include Market Research and Digital Strategy.
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UndisclosedUndisclosed2 - 9Portland, OR
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NicheCloudware is a business intelligence company. Established in 2021, their team provides BI & big data consulting & SI and Cybersecurity.
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List of the Top 15 AB Testing Services
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$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing25% A/B Testing90% Other -
$1,000+< $25 / hr250 - 999Sahibzada Ajit Singh Nagar, India
Ability to deliver
33.7/40.017.4/20 Reviews6.8/10 Clients & Experience9.5/10 Market PresenceService focus
70% Application Testing10% A/B Testing30% Other -
$10,000+$50 - $99 / hr10 - 49Sevilla, Spain
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Application Testing100% A/B Testing90% Other -
$10,000+$50 - $99 / hr50 - 249Lakewood, CO
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing15% A/B Testing90% Other -
$10,000+$50 - $99 / hr10 - 49Shanghai, China
Ability to deliver
33.6/40.016.6/20 Reviews9.8/10 Clients & Experience7.2/10 Market PresenceService focus
20% Application Testing100% A/B Testing80% Other -
$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Ability to deliver
33.8/40.017.2/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
100% Application Testing10% A/B Testing -
$10,000+$25 - $49 / hr50 - 249Walnut Creek, CA
Ability to deliver
36.1/40.018/20 Reviews9.8/10 Clients & Experience8.3/10 Market PresenceService focus
20% Application Testing10% A/B Testing80% Other -
$25,000+$25 - $49 / hr250 - 999Claymont, DE
Ability to deliver
35.7/40.016/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Application Testing10% A/B Testing90% Other -
$1,000+$25 - $49 / hr10 - 49Warszawa, Poland
Ability to deliver
32.3/40.016.2/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
10% Application Testing100% A/B Testing90% Other -
$50,000+$50 - $99 / hr50 - 249Beograd, Serbia
Ability to deliver
34.2/40.018/20 Reviews8.8/10 Clients & Experience7.4/10 Market PresenceService focus
10% Application Testing25% A/B Testing90% Other -
$1,000+< $25 / hr250 - 999Dhaka, Bangladesh
Ability to deliver
33.7/40.018.4/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
15% Application Testing10% A/B Testing85% Other -
$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
35.9/40.016.8/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
10% Application Testing10% A/B Testing90% Other -
$5,000+$150 - $199 / hr10 - 49Portland, OR
Ability to deliver
30.8/40.015/20 Reviews8.5/10 Clients & Experience7.3/10 Market PresenceService focus
20% Application Testing100% A/B Testing80% Other -
$1,000+< $25 / hr50 - 249
Ability to deliver
30.5/40.016.2/20 Reviews9.3/10 Clients & Experience5/10 Market PresenceService focus
10% Application Testing100% A/B Testing90% Other -
$5,000+$25 - $49 / hr50 - 249Ivano-Frankivs'k, Ukraine
Ability to deliver
35.8/40.018.2/20 Reviews9.8/10 Clients & Experience7.9/10 Market PresenceService focus
10% Application Testing10% A/B Testing90% Other -
$10,000+$25 - $49 / hr50 - 249Lahore, Pakistan
Ability to deliver
34.9/40.016/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Application Testing10% A/B Testing90% Other -
$25,000+$25 - $49 / hr10 - 49Wrocław, Poland
Ability to deliver
29.4/40.015.8/20 Reviews8.2/10 Clients & Experience5.3/10 Market PresenceService focus
20% Application Testing100% A/B Testing80% Other -
$1,000+$25 - $49 / hr10 - 49
Ability to deliver
29.1/40.016.4/20 Reviews8.7/10 Clients & Experience4/10 Market PresenceService focus
20% Application Testing100% A/B Testing80% Other -
$5,000+$50 - $99 / hr10 - 49Windsor, Canada
Ability to deliver
33.9/40.017/20 Reviews10/10 Clients & Experience7/10 Market PresenceService focus
10% Application Testing15% A/B Testing90% Other -
$1,000+$150 - $199 / hr2 - 9
Ability to deliver
29.8/40.016.2/20 Reviews8.7/10 Clients & Experience4.9/10 Market PresenceService focus
20% Application Testing100% A/B Testing80% Other -
$5,000+$100 - $149 / hr10 - 49Portland, OR
Ability to deliver
28.6/40.015.6/20 Reviews7.6/10 Clients & Experience5.5/10 Market PresenceService focus
20% Application Testing100% A/B Testing80% Other -
$10,000+$25 - $49 / hr10 - 49Medellín, Colombia
Ability to deliver
33.9/40.017/20 Reviews10/10 Clients & Experience6.9/10 Market PresenceService focus
10% Application Testing10% A/B Testing90% Other -
$1,000+$50 - $99 / hr10 - 49Montréal, Canada
Ability to deliver
28.2/40.016.6/20 Reviews6.5/10 Clients & Experience5.2/10 Market PresenceService focus
20% Application Testing100% A/B Testing80% Other -
$5,000+$50 - $99 / hr10 - 49
Ability to deliver
28/40.015.6/20 Reviews7.5/10 Clients & Experience4.9/10 Market PresenceService focus
20% Application Testing100% A/B Testing80% Other -
$1,000+< $25 / hr10 - 49Tallinn, Estonia
Ability to deliver
27.9/40.015.8/20 Reviews6.6/10 Clients & Experience5.5/10 Market PresenceService focus
20% Application Testing100% A/B Testing80% Other -
$1,000+Undisclosed2 - 9San Diego, CA
Ability to deliver
28.8/40.016.2/20 Reviews7.4/10 Clients & Experience5.2/10 Market PresenceService focus
20% Application Testing100% A/B Testing80% Other -
$1,000+$50 - $99 / hr10 - 49Sant Cugat del Vallès, Spain
Ability to deliver
31.3/40.017.6/20 Reviews8.7/10 Clients & Experience5/10 Market PresenceService focus
20% Application Testing13% A/B Testing80% Other -
$10,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Ability to deliver
32.3/40.016.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
10% Application Testing10% A/B Testing90% Other -
Undisclosed< $25 / hr50 - 249Mira Bhayandar, India
Ability to deliver
28.6/40.016.8/20 Reviews6.6/10 Clients & Experience5.2/10 Market PresenceService focus
25% Application Testing10% A/B Testing75% Other -
$10,000+$25 - $49 / hr10 - 49Ho Chi Minh, Vietnam
Ability to deliver
28.7/40.016.8/20 Reviews6.7/10 Clients & Experience5.2/10 Market PresenceService focus
30% Application Testing10% A/B Testing70% Other
A/B Testing Services FAQs
An A/B testing company designs and runs controlled experiments that compare two or more versions of a digital asset — a webpage, email subject line, mobile app screen, or ad creative — to determine which performs better. By enlisting their expertise, clients can access tailored solutions and services such as:
- Hypothesis development
- Test prioritization
- Experiment design
- Implementation via testing platforms like Optimizely or VWO
- Statistical analysis of results
- Recommendations for rollout or further iteration
Clutch’s recent pricing data shows that the hourly rates for testing and optimization firms typically range from $50 – $149 per hour. Project-based engagements for a defined test cycle commonly range from $5,000 – $30,000.
Ongoing retainer arrangements for continuous experimentation programs tend to run $3,000 – $15,000 per month. The cost of hiring a dedicated A/B testing firm depends on a multitude of variables like the complexity of websites or funnels, agency size, and tooling or software requirements.
A/B testing compares two discrete versions of a single element and is best suited for testing one change at a time. Moreover, multivariate testing simultaneously tests multiple elements and combinations within the same page, allowing you to identify which combination of changes performs best.
A/B tests are faster to reach statistical significance and easier to interpret, while MVT requires significantly more traffic but can surface interaction effects between elements that A/B testing misses.
Look for proven A/B testing firms with a documented experimentation methodology — not just the ability to set up a tool. Remember, strong vendors will ask about your current conversion rates, traffic volumes, and business objectives before proposing a test roadmap.
After that, verify if the firm understands statistical significance, sample size requirements, and the risks of stopping tests early. Browse through Clutch’s vetted directories and take a moment to read through their client reviews to better understand their services and capabilities.
- Promises specific conversion lifts before running a single test
- Focus on the number of tests run rather than the quality of insights gained
- No discussion of minimum detectable effect or sample size planning
- An inability to explain their approach to novelty effects or seasonality bias
If you spot any of these red flags, don’t hesitate to resume your search. There are plenty of proven and professional A/B testing partners on Clutch, so there’s no need to worry about running out of options.