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Growth through experimentation

The costliest decision is the one you never tested.

Haus of Dietz helps ambitious brands turn uncertainty into opportunity through experimentation, personalisation, and customer insight. Growth, proven by experiment.

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People buy outcomes, not process.

Experiments delivered across enterprise eCommerce, SaaS, automotive, and subscription brands. Every insight driven by behaviour. Every decision backed by data.

46%
Experiment win rate
£1M+
Revenue generated
30%
Lead generation increase
200+
Experiments delivered
The methodology

Research. Insight. Experiment. Scale.

01
Research
Session recordings, heatmaps, surveys, funnel analysis. Understand exactly where and why customers drop.
02
Insight Generation
Identify friction, confusion, motivation gaps and trust issues. Turn raw data into a clear opportunity picture.
03
Hypothesis
Because we observed X, we believe changing Y for Z audience will improve A metric. No guesswork.
04
Experiment
A/B, split URL, multivariate, personalisation tests. Statistically valid. Every change earns its place.
05
Scale Wins
Winners shipped. Learnings documented. A compounding system that gets smarter with every test.

Case Studies

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Subscription eCommerce · BAT (VELO)

Subscription journey optimisation for a leading nicotine brand

Subscription intent visitors were converting poorly. A redesigned journey targeting intent signals transformed the conversion rate entirely.

+175% relative uplift, 17.79% to 48.96%
Automotive Lead Gen · Lithia & Driveway

Lead generation and callback optimisation across a dealership network

Funnel analysis revealed confidence and friction barriers across vehicle discovery, finance, and booking flows. Systematic testing delivered compounding gains.

30% increase in lead generation
Enterprise SaaS · GWI

Redesigning the demo booking flow for a global data intelligence platform

Strong traffic, low demo conversion. Behavioural analysis revealed a multi-step form abandonment issue. Form optimisation and personalisation fixed it.

+6% uplift in demo bookings
eCommerce · BAT (VELO · VUSE · GLO)

PLP, PDP and personalisation across Western European markets

Running experimentation programmes across 8 markets. Strength filters, clickable tiles, personalised returning visitor journeys, hero banner tests and product badging.

80+ experiments across 8 markets
Trusted experience with
Enterprise brands across four industries
BAT
FMCG · 8 Markets
GWI
B2B SaaS
Lithia & Driveway
Automotive
Ningi
Fintech

Services built for
growth operators.

CRO Audit

Deep analysis of your landing pages, product pages, checkout journeys, and lead generation funnels. You'll know exactly what's costing you revenue.

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Experimentation Programme

Done-for-you testing programme including roadmap creation, prioritisation, test design, analysis, and reporting. End-to-end.

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Personalisation Strategy

Returning visitor experiences, behaviour-based journeys, segmented paths. Help your customers feel understood at every touchpoint.

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Customer Journey Optimisation

End-to-end funnel reviews identifying quick wins, medium-term opportunities, and a long-term experimentation roadmap.

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A/B Testing Strategy

Hypothesis design, test architecture, statistical governance. Experiments that actually teach you something lasting.

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Growth Strategy

Identifying quick wins, medium-term opportunities, and the long-term experimentation roadmap your brand needs to scale.

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Haus of Dietz was founded on a simple belief: the most successful brands don't guess. They learn.

Led by CRO & Experimentation Specialist Jamel Dietz, Haus of Dietz helps ambitious brands uncover customer insights, validate ideas, and create digital experiences that drive measurable growth.

Combining behavioural science, analytics, UX, and experimentation, we help organisations move beyond assumptions and make decisions backed by evidence.

From experimentation strategy and roadmap development to A/B testing, personalisation, and customer journey optimisation, every recommendation is designed to answer one question: what does the customer actually want?

Because sustainable growth doesn't come from chasing trends. It comes from understanding people.

Ready to grow?

Let's turn your traffic into
predictable revenue.

Book a no-obligation discovery call. Thirty minutes, no decks and no pitch, just an honest conversation about where your conversion opportunities are.

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