B2B SaaS−41% CAC
Cut CAC by 41% in two quarters
Restructured paid mix and launched a research-led ABM motion for a Series B fintech.
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Growth Engineering
& Market Research
FREITAG Labs EOOD — a growth hacking & research lab from Sofia. We engineer demand for ambitious brands.
Growth Engineering ✦Market Research ✦Performance Marketing ✦Data Science ✦Brand Strategy ✦Conversion Optimization ✦Growth Engineering ✦Market Research ✦Performance Marketing ✦Data Science ✦Brand Strategy ✦Conversion Optimization ✦
Capabilities
Built for ambitious brands.
A focused practice combining senior growth operators with rigorous research.
Growth Strategy
North-star metrics, funnel architecture, and roadmaps grounded in your unit economics.
Rapid Experimentation
Hypothesis-driven testing across acquisition, activation, and retention — at lab speed.
Performance Marketing
Paid, organic, and lifecycle channels orchestrated for compounding ROAS.
Market Research
Quantitative and qualitative insight that de-risks every bet before you place it.
Process
A repeatable system for compounding growth.
Four phases, one quarterly cadence. We move fast without sacrificing rigor.
01
Diagnose
We audit your funnel, data, and unit economics to find the highest-leverage bets.
02
Hypothesize
Research-backed hypotheses scored by impact, confidence, and effort.
03
Ship
Cross-channel experiments shipped weekly with proper instrumentation.
04
Compound
Wins are systematized and rolled into your team's playbook.
Inside FREITAG
An embedded growth pod, on demand.
Strategist, researcher, growth engineer and creative — a senior pod that plugs into your stack from week one and ships against your north-star metric every Friday.
3.4×
Average ROAS lift across engagements
2.5M+
Datenpunkte, die unsere Systeme pro Monat analysieren
EU·US
Markets we operate across
Selected Work
Outcomes, not deliverables.
DTC Beauty3.4× ROAS
3.4× ROAS on cold traffic
Creative testing framework and lifecycle overhaul lifted blended ROAS from 1.6 to 5.4.
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Marketplace+14pp ACT
From 8% to 22% activation
Onboarding research + 18-week experiment program tripled new-user activation.
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Industries
Sector-aware playbooks.
We don't pretend to be generalists. Our engagements are concentrated where we have repeatable outcomes.
B2B SaaS
From PLG motions to enterprise ABM — we know the playbook for every stage.
DTC & E-Commerce
Creative testing, lifecycle and retention engineered around real LTV.
Fintech
Compliant growth in regulated markets with rigorous attribution.
Marketplaces
Two-sided liquidity loops, supply acquisition and activation systems.
"FREITAG Labs operates like an in-house team — but ships at 3× the velocity. They became our growth engine."
Maria Petrova
VP Growth, Series B SaaS
"The research rigor is what sold us. Every test had a clear hypothesis and a clean readout. No vibes-based marketing."
Daniel Hofer
CMO, DTC Beauty
The Lab
Where research meets execution.
Our Sofia studio brings together growth engineers, data scientists and behavioural researchers under one roof — so insight becomes shipped experiments in days, not quarters.
About
Operators, not consultants.
FREITAG Labs EOOD is a Sofia-based marketing & research company. We pair senior growth operators with rigorous research to find the experiments that actually move your numbers.
We work as an embedded extension of your team — fast, opinionated, and accountable to the same dashboards you wake up to.
FAQ
Frequently asked questions.
Still curious? Drop us a line — we reply within two business days.
How do you typically engage?
Quarterly retainers with a senior pod (strategist, researcher, growth engineer) embedded in your team. Sprints run weekly.
What stage clients do you work with?
Mostly Series A through Series C, plus a few selected DTC and marketplace operators. We optimize for traction, not logos.
Do you replace our in-house team?
No — we augment. Our best engagements look like a senior tiger team plugged into your existing org.
How do you measure success?
We tie our work to your north-star metric and report against it weekly. No vanity dashboards.
Sofia, Bulgaria
Built in the heart of Sofia.
From our studio at the foot of Vitosha, we serve ambitious brands across Europe and North America — pairing Balkan engineering talent with global growth experience.
Start a project
Have a growth problem worth solving?
Tell us about your product and your numbers. We respond within two business days.
hello@freitag.bg