I turn your data into
business decisions.

20+ years helping companies organize, understand and profit from their data. From GA4 audits to Power BI dashboards — I deliver analytics solutions that drive real revenue growth.

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Google Analytics 4 Google Tag Manager Power BI Looker Studio Piwik PRO BigQuery Server-Side AI
Krzysztof Surowiecki - Web Analytics Consultant

Trusted by teams at

Credit Suisse Sonova Nestle Phonak Unitron Hansaton
Why work with me

Senior expertise,
hands-on delivery.

I'm not an agency. I'm a senior consultant who does the work personally — from strategy to implementation. You get direct access, faster decisions, and deeper expertise.

20+
Years in data & analytics
600+
Projects delivered globally
15+
Countries across 3 continents
12
Free tools I built & maintain
Services

How I can help.

End-to-end analytics consulting — from audit through implementation to reporting.

GA4 Audits & Implementation

Comprehensive audits of data quality, tag structure and tracking accuracy. Full GA4 & GTM implementation with Server-Side tracking.

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Dashboards & BI

Power BI, Looker Studio and Tableau dashboards that turn complex data into clear, actionable insights for your team.

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E-commerce Analytics

Enhanced e-commerce tracking, conversion funnel optimization and revenue reporting for online stores.

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Piwik PRO & Privacy

GDPR-compliant analytics with Piwik PRO. Full implementation, consent management and privacy-first architecture.

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BigQuery & Data Governance

GA4-to-BigQuery pipelines, data warehouse architecture and governance frameworks for scalable analytics.

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AI & Automation

LLM-powered data analysis, automated reporting workflows and AI integration with your existing data stack.

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How it works

Simple, transparent process.

From first conversation to delivered results — here's what working with me looks like.

1

Discovery call

We discuss your goals, current setup and pain points. I assess the scope and propose a tailored approach. Free, no obligations.

2

Audit & Strategy

I analyze your data ecosystem, identify gaps and deliver a clear roadmap with priorities, timelines and expected outcomes.

3

Implementation

Hands-on execution: tracking setup, dashboard building, reporting automation. You get documentation, training and ongoing support.

Free tools

Built by a practitioner,
for practitioners.

I build and maintain free analytics tools used by thousands of marketing professionals. All run in your browser — no registration, no limits.

50+ events

GA4 Events Encyclopedia

Complete guide to GA4 events with GTM implementation code and parameter documentation.

 5 min audit

GA4 Configuration Auditor

Check if your GA4 is properly configured and get personalized recommendations instantly.
Attribution Simulator BigQuery Calculator ROAS/ROI Calculator LTV Calculator UTM Link Creator dataLayer Generator A/B Test Calculator Margin Calculator Funnel Calculator Ads Cost Calculator
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Testimonials

What clients say.

I had the pleasure of working with Krzysztof on two different projects, and can confidently say he's a web analytics wizard! Besides being knowledgeable, he is very professional and really helpful.

via LinkedIn

Krzysztof has highly commendable clear communication style, attention to detail, deep technical knowledge and easy going nature. I could not recommend him enough for any analytics project.

via LinkedIn

Krzysztof connects unique talents: IT & analytics knowledge, business challenges understanding and good feeling of Client's needs. It effected in great optimization of my projects.

via LinkedIn