About Us – Sylwester Marketing

Last Updated: 23 June 2026

Welcome to Sylwester Jan Siudym — Entrepreneur Individuel — where strategic digital marketing meets technical excellence. We help businesses design, launch, and optimize digital experiences with a focus on measurable impact, growth, and sustainable communication strategies.

Who We Are

Sylwester Jan Siudym — Entrepreneur Individuel is a specialized consultancy firm based in Paris, France (SIREN 106 711 872). We provide senior-level expertise in public relations and digital communication, helping international clients navigate the complexities of modern marketing with data-driven precision.

Our Mission

To empower businesses through high-performance marketing strategies and professional digital assets that drive real-world results.

What We Do

Under our official registration (APE 7021Z — Conseil en relations publiques et communication), we offer a dual approach to digital growth.

Strategic Consulting

Marketing audits and competitive analysis
Public relations and communication architecture
Conversion Rate Optimization (CRO) and sales funnel design
Technical implementation and ongoing campaign management

Professional Digital Assets

Strategic marketing frameworks and toolkits
Technical documentation and implementation guides
Industry-specific reports and performance templates

All consultancy outputs and digital assets are delivered exclusively through secure electronic channels.

Our Values

Transparency

Clear project scopes, fixed pricing, and open communication.

Integrity

Honest, responsible, and compliant business practices.

Quality

Delivering measurable ROI and high-standard strategic outputs.

Privacy & Security

GDPR-compliant data processing and a security-first approach to digital consulting.

Our Commitment to Professionalism

Seamless Delivery

Fast and secure digital delivery of all project files and assets.

Responsive Support

Professional assistance with a response time of 1–3 business days.

Fair Policies

Transparent terms aligned with French and EU professional standards, including a 14-day satisfaction window.

Secure Transactions

Convenient and secure payment processing supporting major payment cards and regional payment methods, including iDEAL and Bancontact.