What technologies does Sellizer.io use?

Sellizer.io uses Cloudflare DNS, Gmail, Google Apps, Stripe, Google Font API. View their full technology stack — including all 22 detected tools — on StackWho.

Who is the Co-Founder of Sellizer.io?

Robert Marczak is the Co-Founder at Sellizer.io. Get verified contact information on StackWho.

Who is the Co-founder, CEO of Sellizer.io?

Marcin Zaborowski is the Co-founder, CEO at Sellizer.io. Get verified contact information on StackWho.

Where is Sellizer.io located?

Sellizer.io is based in Rzeszow, Podkarpackie Voivodeship, Poland.

Sellizer.io

sellizer.io

information technology & services

sellizer.io

Rzeszow, Podkarpackie Voivodeship, Poland

1-10 employees

LinkedIn Profile

About Sellizer.io

software development, lead engagement, proposal customization, document analysis, customer engagement, sales data visualization, customer reading time, proposal monitoring, real-time notifications, sales workflow automation, sales process optimization, proposal element analysis, sales team productivity, sales automation, business services, document engagement, sales team management, software, sales process improvement, crm software

Sellizer.io's Tech Stack

AI/ML

Decision Makers at Sellizer.io

2 contacts

Robert Marczak

Co-Founder

r***@sellizer.pl Sign up to view

Marcin Zaborowski

Co-founder, CEO

m***@sellizer.pl Sign up to view

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22 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

Sellizer.io's Position in the StackWho Database

• Sellizer.io is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 85 companies in Podkarpackie Voivodeship are in the StackWho database.
• 97,391 information technology & services companies are in the 1-10 employee range (same size as Sellizer.io).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Sellizer.io use?

Sellizer.io uses Cloudflare DNS, Gmail, Google Apps, Stripe, Google Font API, Mobile Friendly, and 16 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Sellizer.io?

StackWho has verified email addresses for 2 decision makers at Sellizer.io. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Sellizer.io directly for sales, recruiting, or partnerships.

What industry is Sellizer.io in?

Sellizer.io operates in the information technology & services industry, headquartered in Rzeszow, Podkarpackie Voivodeship, Poland. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Sellizer.io's contact data?

Yes. StackWho Pro members can export decision maker contact data for Sellizer.io and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.