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services / a/b testing & experimentation

Experimentation, from first test to advanced programs.

We audit existing setups, build new ones from scratch and run advanced experiments, with feature flagging and your warehouse in the loop. Specialists in GrowthBook, and fluent in nearly every other tool.

✦ Ready for the AI era. Test your AI features like any other product change. We set up experimentation for models, prompts and AI-powered experiences.

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capabilitiestoolswarehouse-native

trusted by data teams at

NextEra Energy Invesco Adorama Adlibris StubHub Educative camino/financial

✓ Enterprise-ready. Already trusted by multiple Fortune 100 companies.

capabilities

Everything experimentation, in one place

audit.md

Audit existing programs

Deep reviews of advanced A/B testing setups: tooling, statistics, instrumentation and process.

setup.md

Setup from scratch

Tool selection, instrumentation and your first trustworthy experiments, done properly.

advanced.md

Advanced experiments

Server-side and client-side tests, complex designs and hard engineering problems.

flags.md

Feature flagging

Roll features out safely, gradually and measurably, with flags tied to experiments.

choose.md

Choosing the right tool

Honest, vendor-neutral advice on tools and architecture for your team and scale.

integrate.md

Data infrastructure integration

Connect GrowthBook, Statsig, Eppo and others to your warehouse and analytics stack.

warehouse-native

Experiments that live in your data stack

We wire your experimentation tool into your warehouse and analytics, so assignments, metrics and results are consistent and reusable everywhere.

  • Warehouse-native setups for GrowthBook, Statsig, Eppo and more
  • Metrics defined once and shared across analytics and experiments
  • Reliable exposure and assignment logging
  • Results your data team can audit and extend

★ Specialists in GrowthBook, with deep experience across nearly every A/B testing tool.

experiment-readout
exp_checkout_redesign · day 14

variant       users     conv    chance to win
control      48,210    3.1%    ·
new_flow     48,094    3.6%    96%

✔ sample ratio: ok
✔ guardrail metrics: ok

// illustrative

tools

Tools we know inside out

GrowthBookStatsigEppoOptimizelyVWOAdobe TargetGoogle Optimize (legacy migrations)Feature flagsServer-side testingClient-side testing

specialisations

Go deeper by tool

growthbook.md

GrowthBook

Our specialty: warehouse-native experiments and flags.

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statsig.md

Statsig

Feature gates, experiments and metrics, end to end.

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eppo.md

Eppo

Rigorous, warehouse-native experimentation.

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optimizely.md

Optimizely

Web, feature and full-stack experimentation programs.

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vwo.md

VWO

Fast, statistically sound VWO testing.

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convert.md

Convert

Privacy-minded testing with clean integrations.

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abtasty.md

AB Tasty

Client-side tests, feature flags and rollouts.

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kameleoon.md

Kameleoon

Hybrid web and feature experimentation.

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amplitude-experiment.md

Amplitude Experiment

Tests and product analytics telling one story.

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how we work

From first call to running system

step-01

01 /

Discover

We learn your goals, stack and constraints.

step-02

02 /

Plan

Audit findings and a clear, prioritised plan.

step-03

03 /

Build

Implementation by engineers, reviewed with your team.

step-04

04 /

Run

Hand over, or keep us on to support it.

more services

Other ways we can help

analytics-tracking.md

Analytics & tracking

Implementations and event libraries that make your tracking consistent and trustworthy.

GA4AdobeMixpanelEvent libraries

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data-infrastructure.md

Data infrastructure

Data pipelines, warehouses and the cloud computing underneath them.

PipelinesWarehouseGCPAWSAzure

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data-build.md

Data build & semantic layers

Trusted models and one definition of every metric, in dbt and MetricFlow, LookML, SQLMesh or Omni.

dbtMetricFlowLookMLSQLMeshOmni

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audits.md

Audits

Independent audits of your analytics setup, data infrastructure and experimentation.

AnalyticsInfrastructureExperimentation

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ai.md

AI

Company brains, custom agent harnesses, team training and AI bots for your website.

AgentsTrainingWeb bots

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bi-reporting.md

BI & reporting

Any BI platform, including Looker. Dashboards people actually open.

LookerPower BITableau

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data-consulting.md

Data consulting

Tool selection, stack design and straight answers on what to build or buy.

StrategyTool selection

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managed-platform.md

Managed platform

We run the Reflective Data platform for you, end to end.

PipelinesBuildExplore

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client-story.txt

"I've worked with hundreds of vendors, and Reflective Data stands apart. Their dedication to customer success is unmatched. They stayed with our team through every legacy-platform surprise until we could fully trust the data landing in our warehouses. Hands down one of the best teams I've worked with in 15 years."

— Marc, Senior Marketing Manager, Invesco

get-started.sh

Tell us what you need. We'll scope it.

Pricing is tailored to your sources, volume and the parts of the platform you use. Get a quote or book a call with the team.

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