Theo Valmis

About

Passion in all aspects of life and logical thinking are the driving forces when problems arise and need to be solved.
Statistical analysis and the experimental method are the tools to interpret the world, fulfill ambitions and trying to predict the future in the best possible way.

Certifications

Google AdWords Certified

Google Analytics Certified

Adobe Business Practitioner

Education

School of Sciences
University of Ioannina
Bachelor of Science — Physics
Physics

Expertise

Digital Analytics Digital Transformation Agile Methodology Data Science Integration Marketing Optimisation Attribution Modelling BigQuery

15+ years delivering analytical rigour for S&P 500 and FTSE 100 brands. I combine measurement architecture, attribution modelling, and the experimental method to turn data into decisions — for agencies, enterprise clients, and founder-led platforms alike.

Awards & Recognition

Campaign

Integrated Agency of the Year

Awarded by Campaign Magazine — one of the most prestigious recognitions in the UK marketing industry.

2022

Sitecore

Experience Award

Recognising outstanding digital experience design and implementation built on the Sitecore platform.

2021

DataIQ

Best Place to Work in Data

Two consecutive years recognised by DataIQ for building and sustaining a leading data culture and team environment.

2019 & 2020

Ericsson

Awards of Excellence in Telecommunications

Ericsson's internal excellence programme recognising outstanding contribution to the telecommunications industry.

View Certificate →
4

Industry Awards

Coursera — Verified Credential  ·  University of Illinois

Digital Marketing Specialisation

A six-course specialisation covering digital analytics, marketing analytics in theory and practice, digital marketing channels, and a capstone project — issued by the University of Illinois at Urbana-Champaign via Coursera.

Digital Marketing Specialisation — University of Illinois / Coursera View Certificate →
XDigital Marketing Specialisation — University of Illinois / Coursera

ANALYSIS CASE STUDY

CURRICULUM VITAE

Services to Grow Your Business
I help startups, agencies, and established brands optimize their digital marketing analytics, improve tracking accuracy, and boost conversion rate.

Digital Marketing Analytics & Tracking

GA4, GTM, server-side tracking, and data-driven attribution setup.

Conversion Rate Optimization (CRO)

UX audits, funnel optimization, and testing strategies to increase conversions.

Marketing Attribution & Reporting

Cross-platform attribution modeling and Looker Studio dashboards. ROI, LTV, MMM and Forecasting.

Consulting & Training


Hands-on workshops to build analytics skills, accelerate execution, and explore AI adoption for smarter insights and automation.

Marketing Data Architecture

Unify customer data across platforms and use CDPs to enable accurate targeting, automation, and ROI measurement.

GDPR Compliance & Consent Management

Configure consent platforms and data governance workflows using solutions like OneTrust.

Ready to unlock better marketing performance?

Hire me through Upwork or get in touch directly to discuss your project.

Hire Me on Upwork
 

Client Portfolio

BT Dell Microsoft Aston Martin Mercedes-Benz Coca-Cola Shell AON Nestlé GSK Pets at Home HSBC ABB Aviva Knight Frank Mazda O2 Three UK Virgin Media O2 Business

Selected Client Work

Analytics, CRO & Ecommerce Case Studies

Founder Projects

Data-driven platforms built and operated independently. Both are live, generating revenue, and underpinned by the same measurement and data architecture applied to enterprise client work.

CannabisDealsUS

Award-Winning Cannabis Marketplace & Price Comparison Platform

A data-driven marketplace that aggregates and standardises product and pricing data to enable transparent comparison across categories. Built as a scalable platform with measurable growth loops across SEO, content, and analytics.

What I own:

Data architecture and ETL design, taxonomy and content systems, tracking and attribution, dashboards and reporting, SEO strategy and site performance optimisation.

Stack:

GA4, GTM, BigQuery, Looker Studio, WordPress, WooCommerce, automation pipelines

View Platform Learning Center

Cannabis Price Index

Weekly pricing and discount intelligence for category-level market tracking

A repeatable weekly reporting layer that turns product snapshots into a structured view of price movement. Designed for consistency, auditability, and trend analysis across CBD and THC subcategories.

What it includes:

Category rules and canonical reporting views, weekly cadence processing, distribution reporting, subcategory breakdowns, and executive-ready charts.

Stack:

BigQuery reporting views, scheduled ingestion pipeline, Looker Studio dashboards

Cannabis Price Index

Explore More

Analytics Methodology Cannabis Pricing Research Speaking & Media

Contact

Theo Valmis

London, UK

+44 792 6768 126

hi@theovalmis.com
 

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