Accepting new clients

Online Growth Systemfor Businesses & Brands.

Grow without doing everything yourself.

For businesses with annual revenue over €100K

Contact me Learn More
Revenue
€52,733
Revenue +237%
Ad performance
ROAS 4.8×
Reply within 24h
Track record
130+ projects
across Europe
Who I Help

I help businesses turn website traffic into actual customers.

More ad spend rarely fixes a website that's already losing visitors before they buy.

130+
projects across Europe
Who I Help

Established online presence

You already get customers — I help you convert more of them.

Who I Help

100K+ annual revenue

You know your numbers — I help you decide the next move.

Who I Help

Founder-led businesses

You're a founder who thinks in years, not just this quarter.

Who I Help

Ready to scale with AI & automation

You own a business that wants AI, automation and ads that actually deliver.

AI automation Web apps and AI apps Automation of business processes Paid ads management (Meta or TikTok) Creative direction and testing strategy Funnel and conversion optimization Retention strategy (email and SMS automation) Growth analysis and clear reports AI automation Web apps and AI apps Automation of business processes Paid ads management (Meta or TikTok) Creative direction and testing strategy Funnel and conversion optimization Retention strategy (email and SMS automation) Growth analysis and clear reports
Services

A Growth System
built around you.

Website Development

Custom-built websites — custom admin panels, dashboards, configurators and custom functionality. Starting from €600.

Custom Web Applications

Internal tools, client portals, booking systems — built around how your business actually runs.

Custom CRM

Your contacts, your pipeline, your rules. All in one place.

Automations

Emails, notifications, reports — running while you sleep. We automate any manual process, connect your systems via APIs, and build custom automation & AI solutions that save you time and money.

Custom Dashboard

Every metric that matters, in real time. See what works. Cut what doesn't.

AI Shopping Assistant

Personalised automated chat that finds products, compares options and advises customers directly on your website.

Get in Touch

Over 130 projects across Europe, including five EU-funded programmes.

Contact me →
Growth analysis and clear reports Retention strategy (email and SMS automation) Funnel and conversion optimization Creative direction and testing strategy Paid ads management (Meta or TikTok) Automation of business processes Web apps and AI apps AI automation Growth analysis and clear reports Retention strategy (email and SMS automation) Funnel and conversion optimization Creative direction and testing strategy Paid ads management (Meta or TikTok) Automation of business processes Web apps and AI apps AI automation
Process

How I work with you.

STEP 01

It starts with a free call

You share your goals, I ask the right questions. No pressure, no sales pitch.

STEP 02

You get a proposal, free of charge

I'll put together a clear, concrete proposal. You decide if we move forward.

STEP 03

I build and launch it

Fixed timeline, regular updates — you'll never have to ask what's happening.

STEP 04

Handover and training included

I walk you through everything so you can run it yourself after launch.

Set up once and the automated processes run forever, without you.

Website Development

Projects I've built.

Medijos BestDent MUDr. Alena Tamaškovičová Medke Plus Gynkomed INTERNA V.K. MUDr. Viera Uhrinová Pilumed ORL Ambulancia Lipany Endokrinologia Rača StarDent OFTALMED GynMar Praktik Ilava Stop Exekúcii KarlovaTop MUDr. Tomáš Krause Vozidlo na Splátky KRYŠTOV Group Medijos BestDent MUDr. Alena Tamaškovičová Medke Plus Gynkomed INTERNA V.K. MUDr. Viera Uhrinová Pilumed ORL Ambulancia Lipany Endokrinologia Rača StarDent OFTALMED GynMar Praktik Ilava Stop Exekúcii KarlovaTop MUDr. Tomáš Krause Vozidlo na Splátky KRYŠTOV Group
Booking System
CRM
Dashboard
Website Development
Gynkomed
Private gynaecology clinic with high-quality care for women and their partners.
Open Website
Vozidlo na Splátky
Website Development
Custom Configurator
Vozidlo na Splátky
Vehicle financing — personal and commercial, plus sale-and-leaseback.
Open Website
KRYŠTOV Group
Website Development
Custom Admin Panel
KRYŠTOV Group
Plastic windows and doors manufacturer in Brno, built with a custom admin panel.
Open Website
BestDent
Website Development
BestDent
Dental practice in Bratislava — Ružinov district.
Open Website
MUDr. Jana Macková
Website Development
MUDr. Jana Macková
Internal medicine clinic for adults in Humenné — INTERNA V.K.
Open Website
MUDr. Uhrinová
Website Development
MUDr. Uhrinová
Pediatric clinic in Žilina caring for children from birth through adolescence.
Open Website
Oftalmed
Website Development
MUDr. Tatiana Bartková
Ophthalmology clinic in Svidník led by MUDr. Tatiana Bartková.
Open Website
KarlovaTop
Booking System
Website Development
KarlovaTop
Luxury apartment rental in Prague's Old Town, built with a custom booking system.
Open Website
ORL Barmed
Website Development
ORL Barmed
ENT (otorhinolaryngology) clinic in Lipany led by Dr. Zuzana Barlová.
Open Website
Stop Exekúcii
Website Development
Stop Exekúcii
Fast, discreet resolution of debts, executions and auctions.
Open Website
Endohep
Website Development
Endohep
Endocrinology clinic for adults on Tbilisská 6 in Bratislava-Rača. Diagnosis and treatment of endocrine disorders.
Open Website
Website Development
MUDr. Rastislav Gašpar
General practitioner's clinic in Bratislava-Ružinov, led by MUDr. Rastislav Gašpar.
Open Website
MUDr. Tomáš Krause
Website Development
MUDr. Tomáš Krause
General practitioner's clinic for adults in Prague-Vinoř.
Open Website
MUDr. Tomáš Krause Vozidlo na Splátky KRYŠTOV Group KarlovaTop Stop Exekúcii Praktik Ilava GynMar OFTALMED StarDent Endokrinologia Rača ORL Ambulancia Lipany Pilumed MUDr. Viera Uhrinová INTERNA V.K. Gynkomed Medke Plus MUDr. Alena Tamaškovičová BestDent Medijos MUDr. Tomáš Krause Vozidlo na Splátky KRYŠTOV Group KarlovaTop Stop Exekúcii Praktik Ilava GynMar OFTALMED StarDent Endokrinologia Rača ORL Ambulancia Lipany Pilumed MUDr. Viera Uhrinová INTERNA V.K. Gynkomed Medke Plus MUDr. Alena Tamaškovičová BestDent Medijos
About Me

Ján Marček

I'm a certified HubSpot Digital Marketing and Inbound specialist. I help businesses turn the traffic they already have into actual revenue.

I've built systems for businesses and organisations across Europe, including five EU-funded programmes.

HubSpot AcademyDigital Marketing HubSpot AcademyInbound Certified

SaaS project I've made: Marxyo

A web app called Digital Reception for ambulances and clinics.

Opening hours & announcements · Electronic prescription requests · Contact form on the website · Automatic reminders · Price list under your control · Chat widget with common questions · Booking system with an overview · AI-assisted website articles · QR code & door notice · Google reviews in one place · Loyalty program for registered patients

More information →

Every project plants trees.

For every project I take on, I plant trees through Tree-Nation — real, verified reforestation.

378 Trees Planted →
Contact

Want to work together?

Write to me directly. I reply within 24 hours.

Send message
Emailjanmarcekconsulting@gmail.com LinkedInJán Marček Phone+421 944 956 734
LocationSlovakia · IČO: 54290317