Growcode

What Growcode does

Conversion Sp. z o.o., doing business as Conversion (also referenced as Growcode), is a boutique analytics consultancy headquartered in Warsaw, Poland. The firm specializes in Google Marketing Platform implementations—principally Google Analytics 4, Google Tag Manager (including Server-Side GTM), Consent Mode v2.0, Google BigQuery, Looker Studio, and Google Cloud Platform—combined with conversion rate optimization, marketing attribution, and data activation services for e-commerce and digital businesses. Its stated value proposition is helping clients collect reliable first-party data and translate it into measurable conversion and revenue gains without requiring internal IT involvement, citing outcomes such as a 4.6% conversion rate lift for Reserved/LPP without IT involvement and 47% average annual revenue growth across its client base.

The technology stack is anchored in the Google ecosystem, with a layer of proprietary products on top: Conversion Data Guard (continuous monitoring of data collection), Conversion Insight Stream (automated anomaly detection), Analytics Hotline (on-demand analyst support), and Ecommerce Attributor (multi-touch attribution modeling). The firm is a certified Google Partner and GA360 reseller, and supplements its Google stack with Snowflake (data warehousing), Hotjar (CRO), Firebase/Adjust/Appsflyer (app analytics), and BI/visualization tools (Power BI, Tableau, Looker).

The business model is professional services revenue, sold sales-led through free consultations and direct enterprise engagement, with quote-based pricing, multi-year contracts, and tailored engagements. Revenue streams include strategy consulting, implementation services, CRO and data activation, training (GA4, GTM), and analyst outsourcing. The firm serves 200+ clients across fashion/retail (LPP, CCC, Wittchen, Answear), banking (Credit Agricole), grocery (Intermarche, Frisco), pharmacy (Apteka Gemini), electronics (TME), HR (Grupa Pracuj), and media (Polska Press). Geographic scope is primarily Poland with selective international engagements; the firm claims no external funding and operates as an independent boutique with 1–10 employees.

Name

Growcode

Legal name

Conversion Sp. z o.o.

Website

https://growcode.com

Company type

Private

Founded year

2013

Operating status

Operating

Headcount range

1–10 employees

Short description

Boutique analytics consultancy in Warsaw, Poland, specializing in Google Analytics 4 implementation, conversion rate optimization, and marketing attribution for e-commerce enterprises. Operates as a certified Google Partner and GA360 reseller, serving 200+ clients via proprietary monitoring and attribution products.

Ownership category

akta.pro rank

Product category

Marketing Analytics Services

NAICS

Custom Computer Programming Services (541511)

SIC

Services-Computer Programming, Data Processing, Etc. (7370), Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Personalization, Testing & Conversion Rate Optimization (CRO) (BPAFAFAG)

akta.pro secondary industry

Data & Analytics for CRM (Attribution, BI, Predictive) (BPAFAFAE)

Keywords

• E-commerce analytics
• Conversion rate optimization
• GA4 implementation
• Data warehouse services
• Marketing analytics

Headquarters

HQ city

Warsaw

HQ country

Poland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D

Revenue model

1. Professional Services - Strategy and Consulting: Long-term analytical strategy development, consulting, and analytical care services for businesses. Delivered through workshops and ongoing advisory engagements.
2. Implementation Services: Technical implementation of analytics tools including GA4, Google Tag Manager, Server-Side GTM, Consent Mode v2.0, Google BigQuery, Enhanced Conversions, and data models.
3. CRO and Data Activation: Conversion rate optimization services, e-commerce analytics, marketing attribution, product feed optimization, and data visualization services.
4. Training and Know-how Building: Individual training sessions and workshops for employees covering Google Analytics 4 and Google Tag Manager based on 12 years of experience.
5. Analyst Outsourcing: Providing experienced internet analysts on an hourly basis to support internal client teams.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

Growcode provides e-commerce analytics implementation, conversion rate optimization (CRO), and data activation services. Its work centers on deploying measurement infrastructure (e.g., GA4 and GTM), building data warehouse pipelines (e.g., BigQuery), and executing CRO programs for online retail and DTC clients.

Product overview

Conversion offers a portfolio of three core analytics products designed to help businesses monitor, analyze, and act on their data. Conversion Data Guard provides continuous metric monitoring and automatic alerts when data collection is disrupted. Conversion Insight Stream delivers automated anomaly detection across key business metrics. Analytics Hotline offers on-demand analytical support for ad-hoc questions and tasks. These products complement their professional services offerings including strategy consulting, Google Analytics implementation, CRO optimization, and training programs.

Differentiator

Problem solved

Functional benefit

Brands

• Conversion Data Guard: Monitoring solution that tracks metrics and responds when data collection is interrupted, taking corrective actions within established budget.
• Conversion Insight Stream
• Analytics Hotline

Products and services

• Conversion Rate Optimization (CRO) Services Applied CRO engagements for e-commerce and DTC clients, focused on identifying conversion blockers and running experiments to lift purchase conversion.
• GA4 & GTM Implementation Services Implementation and audit of Google Analytics 4 and Google Tag Manager for e-commerce businesses, providing accurate measurement infrastructure.
• Data Warehouse & Activation Services Data warehousing using BigQuery and related pipelines to consolidate marketing, product, and customer data for analytics and activation.

Quantifiable outcome

• 47% average annual revenue growth for clients
• +3 more outcomes

Named customers15 records

Segments3 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• GooglecoreStrategic or Co-development PartnerCertified Google partner and Google Marketing Platform Sales Partner. They have direct access to Google knowledge and serve as GA360 resellers. The partnership enables implementation and support of Google analytics tools including Google Analytics 4, Google Analytics 360, Google Tag Manager, Google Cloud Platform, and Looker Studio.

Scale indicators6 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Anicca Digital: UK-based analytics and CRO agency of similar boutique size. Comparable in targeting e-commerce and lead-gen clients with GA4, GTM, and attribution services.
• Piwik PRO: Poland-based privacy-centric web analytics platform and services provider. Closest direct peer given shared Polish origin, overlap in GA4 alternatives (Piwik PRO is listed in Conversion's tech stack), and focus on consent-mode and cookieless analytics for enterprises.
• Croud: Global digital marketing agency built around data, analytics, and CRO. Comparable in offering GA4, BigQuery, and Looker Studio implementations for enterprise e-commerce clients with a similar analytics-led value proposition.
• Hallam Internet: UK-based boutique digital agency specializing in analytics, CRO, and paid media for mid-market and enterprise clients. Comparable boutique positioning, GA4/GTM focus, and emphasis on conversion outcomes.
• QueryClick: Analytics and SEO agency with proprietary attribution technology. Comparable in offering GA4 implementation, server-side tracking, and data activation for e-commerce, and in competing for similar enterprise budgets.

Regional players

• Kelkoo Group (KelkooAds / marketing services): European performance marketing and data services group with CRO and analytics offerings. Comparable in serving e-commerce clients with attribution and conversion optimization, though more retail-media focused.

Broad incumbents

• Jellyfish: Large global digital marketing group that is a major Google Marketing Platform partner. Comparable in GA360 reselling, analytics implementation, and CRO services, but at significantly greater scale and global reach.
• Brainlabs: Global performance marketing and analytics agency using Google Cloud and BigQuery. Comparable in combining paid media with analytics and CRO for enterprise clients, though at much larger scale.
• Dept: Large European digital agency with dedicated data and CRO practices. Comparable in Google partner status, GA4/GTM expertise, and enterprise e-commerce clients, but at much larger scale.
• Merkle (dentsu): Global data and analytics consultancy within dentsu, with deep Google Marketing Platform and CRO capabilities. Comparable in serving large enterprise clients with similar analytics, attribution, and CRO offerings.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCYfbvXMUFF7PJmM3zUaW7pg
• Facebookfacebook.com/Conversion.blog
• LinkedInlinkedin.com/company/conversion/mycompany
• Xx.com/GrowcodeHQ

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Growcode