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Conversion Rate Optimization Agency

The CRO Agency Behind
€500M+ in Additional Revenue

One integrated system — consumer psychology research, parallel A/B testing, and data-driven prioritization — built for e-commerce brands doing €5M+ per year.

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The CRO Agency Behind 250+ of the World's Leading E-Commerce Brands

Whether high-growth startups or global leaders — we consistently drive measurable revenue increases.
Strauss
Koro
Sunday Natural
The Body Shop
Grover
Hello Fresh
Natural Elements
AG1
Bluebrixx
Woom
Hornbach
Tourlane
Congstar
Holy
Junglück
PV
Wunschgutschein
Motel A Mino
Ryzon
Kickz
The Female Company
Livefresh
Schiesser
Horizn Studios
Seeberger
Luca Faloni
Zahnheld
Snocks
Bruna
NatureHeart
Priwatt
Jumbo
NKM
Oceansapart
Omhu
Blackroll
1 Kom Ma 5
Purelei
Giesswein
T1tan
Buah
Ironmaxx
Waterdrop
Send a Friend
Fitjeans
Mofakult
Plantura
BGA
4,000+
A/B Tests Run
95%
Client Loyalty
52.6%
Test Win Rate
€500M+
Revenue Generated

DRIP Agency is Europe's leading conversion rate optimization agency for 8- and 9-figure e-commerce brands. Through our integrated Conversion Optimization License — combining consumer psychology research, parallel A/B testing, and data-driven prioritization — we've generated over €500M in additional revenue across 250+ brands including SNOCKS, KoRo, Giesswein, and Kickz. Our 7-month Proof of Concept starts with a deep research intensive, then runs 6-10 experiments simultaneously using our Rapid Testing Protocol. We guarantee a minimum 10% revenue per user uplift in 6 months, backed by a database of 4,000+ documented experiments.

You've Tried Everything. Revenue Won't Move.

You've redesigned the site. Twice. You've followed every best practice checklist you could find. You've copied what your fastest-growing competitors are doing. You've hired agencies who ran a few tests a quarter and called it optimization.

And yet: your conversion rate is flat, your CACs keep climbing, and the gap between what you're spending on traffic and what you're earning from it keeps widening.

The issue isn't effort. It's approach.

  • Testing based on opinions and competitor copying instead of customer data
  • Running 1-2 tests per month sequentially — maybe 12 per year
  • Generic heuristic audits that apply the same checklist to every brand
  • No system for compounding learnings — each test starts from zero
  • Rising acquisition costs with no corresponding increase in revenue per visitor

The brands pulling ahead aren't working harder. They're working from a fundamentally different system.


Psychology-Driven Optimization, Not Guesswork

We don't optimize based on best practices. We optimize based on why your specific customers buy.

Before touching a single test, we build a deep psychological profile of your audience. Using our proprietary Research Hub, we analyze thousands of data points — customer reviews, surveys, session recordings, heatmaps, competitor analysis — and map them against 7 Psychological Drivers.

We also identify your Category Entry Points — the specific situations, feelings, and needs that cause strangers to seek out a product like yours. The more of these your funnel addresses, the more strangers you convert.

Progress“Am I moving toward my goal?”
Curiosity“Is there something I need to understand?”
Security“Can I trust this brand?”
Status“What does this say about me?”
Autonomy“Am I in control of this decision?”
Comfort“Is this easy and pleasant?”
Belonging“Do people like me buy this?”
This isn't theory.

When we identified that "Initial Quality Perception" was a top Category Entry Point for Giesswein, we made targeted changes to their product pages. Two tests alone generated +€232,500/month and +€52,470/month respectively.

Best practices fail at scale because they're generic. They don't account for the fact that what drives a Kickz customer (status and belonging) is fundamentally different from what drives a KoRo customer (progress and comfort). When you understand these differences, your tests become surgical rather than random.


One Integrated System, Not Separate Services

The DRIP Conversion Optimization License is a 7-month Proof of Concept that encompasses everything — CRO, A/B testing, funnel optimization, UX research, and consumer psychology analysis — as one integrated engagement.

Month 1: Research & Strategy Intensive

  • Deep customer research using our proprietary Research Hub
  • Funnel analysis across every key page
  • Heatmap analysis and 40+ hours of session recording review
  • Category Entry Point identification
  • 7 Psychological Drivers mapping
  • Revenue leak detection across the entire customer journey
  • Output: A 20+ page research report that becomes the foundation for your entire testing roadmap

Months 2–7: Ongoing Optimization

  • 6-10 parallel A/B tests running simultaneously
  • Full design briefs with 3-5 design variations per test
  • Mobile and desktop from day one
  • Interactive clickable prototypes for approval before development
  • QA across real devices using BrowserStack
  • Bi-weekly strategy calls
  • Monthly performance reporting with full revenue attribution

The Rapid Testing Protocol: Why Parallel Beats Sequential

Most testing programs run sequentially — one test at a time, wait weeks for results, move to the next. That means 1-2 tests per month. Maybe 12 per year.

We run 6-10 tests simultaneously using the same methodology Microsoft, Google, and Meta use internally. Randomization ensures each experiment remains independent — Microsoft found that meaningful test interactions occur in only ~0.002% of cases.

SequentialParallel (DRIP)
Time for 3 tests3 months1 month
Tests per year~12~36+
Revenue captureDelayed by monthsImmediate
Interaction errorsUntested combos ship anywayMonitored, ~0.002% risk

Now do the math:

If 2 of those 3 tests are winners generating €50K/month each in uplift, sequential testing leaves €200K on the table while you wait. Parallel testing captures that revenue immediately.

4,000+ Experiments Feeding Every Decision

Every test idea goes through our Weighted Impact Scoring system, evaluated against 25+ data points:

  • Revenue exposure — where in the funnel does the test run?
  • Scroll depth impact — how many visitors actually see the element?
  • Research indicators — how strongly does customer data support the hypothesis?
  • Implementation cost — how complex is the test to build?
  • Historical performance — how have similar tests performed across our database of 4,000+ experiments?

The system is self-learning. As tests succeed or fail for your specific brand, the engine recalibrates. Typical agencies maintain a 30-40% test win rate. After 6 months with a calibrated system, win rates typically reach 55-65%.


The Numbers Behind 250+ Brands

SNOCKS

Started at €2M/year with low AOV and no testing infrastructure
€8.2M additional revenue over 5 years. 350+ A/B tests. Revenue per user from €2.01 to €4.99 (+148%). AOV from €29 to €51. Helped scale to €50M+/year. Working together since 2019.
€8.2M additional revenue

KoRo

€250M+ annual revenue, zero A/B testing, rising CACs
€2.5M in additional revenue in just 6 months. Built their first structured experimentation program from scratch.
€2.5M in 6 months

Kickz

€30M+ annual revenue, 0.59% conversion rate, struggling to turn profit
Conversion rate from 0.59% to 2.7% (3.6x growth) in 3 years. 77 experiments. Improved profitability contributed to acquisition by 11 Teamsports.
3.6x conversion rate

Giesswein

€100M+ annual revenue, post-COVID revenue drop
€12.2M additional revenue over 3 years. A single test — Value Perception badge on product pages — generated +€232,500/month.
€12.2M over 3 years

Oceansapart

Acquired by SNOCKS out of insolvency. 1.48% CR, no usable data
+€323,923/month in first 6 months across 18 winning tests. Smashed the 10% guarantee ahead of schedule.
+€323,923/month

10% Revenue Per User Uplift in 6 Months. Guaranteed.

We guarantee a minimum 10% uplift in revenue per user within the first 6 months. If we don't hit it, we keep working for free until we do.

This isn't a marketing gimmick. 95% of brands that work with us stay working with us. The guarantee exists because the system works — and we have 4,000+ experiments proving it.


Continue with Benchmarks & Playbooks

Explore the CRO benchmark hub

Use current conversion and testing benchmarks to set realistic targets.

Read: Psychology-driven CRO

How behavioral drivers shape higher-quality hypotheses and test win rates.

Read: Parallel A/B testing

Why parallel experimentation increases learning velocity without polluting results.

Ready to Build a System That Compounds?

If you're running an e-commerce brand doing €5M+ a year and you know there's revenue being left on the table — let's talk about what a structured testing program could look like for your brand.

Book a Strategy Call

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Common Questions

DRIP Agency's Conversion Optimization License is a fully integrated CRO engagement covering consumer psychology research using the proprietary Research Hub, GA4 funnel analysis, A/B test design and development, QA across real devices via BrowserStack, statistical analysis using Frequentist methodology, ongoing strategy, bi-weekly calls, and monthly performance reporting with full revenue attribution. You don't need separate vendors for research, testing, and analytics — everything is unified under one system built on insights from 4,000+ documented experiments across 250+ brands.

To replicate DRIP Agency's system internally, you'd need at minimum a fullstack developer, a UI/UX designer, a QA engineer, a data analyst, and a CRO manager — that's €20K–€33K/month in salaries alone, before tools, training, and the 12–18 months to become fully operational. With DRIP, you get immediate access to the Research Hub, the 4,000+ experiment database, the Weighted Impact Scoring prioritization engine, and a team of 50+ specialists from day one. Brands like SNOCKS and KoRo chose this path and saw measurable results within the first months.

DRIP Agency runs 6–10 A/B tests simultaneously using our Rapid Testing Protocol — the same parallel testing methodology used internally by Microsoft, Google, and Meta. Over a 6-month engagement, most clients see 30–50+ experiments completed. This is 3–5x the velocity of traditional sequential testing programs, which typically complete only 12 tests per year. Brands like Kickz went from 2 tests/month to 6–10 parallel tests and saw conversion rates increase from 0.59% to 2.7%.

DRIP Agency works with any e-commerce platform — Shopify, Shopify Plus, WooCommerce, Magento, and custom builds. Our testing tools, primarily ABlyft and Kameleoon, integrate at the code level rather than through visual editors. This eliminates page speed degradation, ensures consistent rendering across devices, and produces more reliable test results. Our 10-person QA team validates every test across real devices using BrowserStack before launch.

DRIP Agency's standard engagement is a 7-month Proof of Concept. Month 1 is the Research & Strategy Intensive — a deep-dive into customer psychology, funnel analysis, and Category Entry Point identification that produces the foundation for your testing roadmap. Months 2–7 focus on ongoing optimization with 6–10 parallel A/B tests running simultaneously. Contact us for pricing details. The engagement is designed for e-commerce brands doing €5M+ per year.

DRIP Agency uses factorial experimental design — the same methodology used in controlled scientific experiments for decades. Each test splits traffic independently using randomization. If three tests run on the same page, each splitting 50/50, every visitor is assigned to one of eight possible combinations (2×2×2), ensuring each test's control and treatment groups are balanced across all other test conditions. Microsoft's research across thousands of online experiments found meaningful test interactions in only 0.002% of cases — approximately 1 in 50,000 tests.

Month 1 of DRIP Agency's Conversion Optimization License is dedicated to the Research & Strategy Intensive, during which the first tests are already being designed. First A/B tests go live by the end of Month 1. Most clients see their first winning tests within the first 2–3 months. For example, Oceansapart generated +€323,923/month within their first 6 months across 18 winning tests, while KoRo saw €2.5M in additional revenue in the same timeframe.

95% of brands that complete DRIP Agency's 7-month Proof of Concept continue with an ongoing engagement. The system becomes more effective over time as the Weighted Impact Scoring prioritization engine calibrates to your specific audience, industry, and funnel. Win rates typically climb from 40–45% in early months to 55–65% as the engine accumulates brand-specific data. SNOCKS, for example, has worked with DRIP continuously since 2019, completing 450+ experiments.

Yes. DRIP Agency, founded in Traunstein, Bavaria in 2019, works with e-commerce brands worldwide. Our team of 50+ specialists operates in English and German. Our client portfolio spans across Europe, North America, and beyond, covering verticals including fashion, food & beverage, health & wellness, sports, and home goods. The methodology is audience-driven, not geography-driven — the 7 Psychological Drivers and Category Entry Point frameworks apply universally across markets.

DRIP Agency's average client generates 8–12x return on their CRO investment. Unlike paid advertising where revenue stops when spend stops, improvements from A/B testing are permanent — a winning test continues generating incremental revenue indefinitely without ongoing cost. For example, a single Giesswein product page test generated +€232,500/month in additional revenue. Across 250+ brands, DRIP has documented over €500M in cumulative additional revenue through its 4,000+ experiment database, with a 52.6% overall test win rate.

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