What technologies does InStream Group use?

InStream Group uses MailJet, Gmail, Google Apps, Microsoft Office 365, VueJS. View their full technology stack — including all 21 detected tools — on StackWho.

Who is the Operations Director & Co-Founder of InStream Group?

Wojciech Cebula is the Operations Director & Co-Founder at InStream Group. Get verified contact information on StackWho.

Who is the Group CEO of InStream Group?

Filip Duszczak is the Group CEO at InStream Group. Get verified contact information on StackWho.

Where is InStream Group located?

InStream Group is based in Poznan, wielkopolskie, Poland.

InStream Group

instreamgroup.com

marketing & advertising

instreamgroup.com

Poznan, wielkopolskie, Poland

11-50 employees

LinkedIn Profile

About InStream Group

konsultant biznesowy, szkolenia, sales, sales management, sales automation, linkedin support, sales concierge, lead generation, sprzedaz, social selling, advertising services, lead verification process, customer retention, linkedin profile optimization, gdpr compliance, automated lead qualification, automated outreach, business consulting, customer engagement, b2b

InStream Group's Tech Stack

Decision Makers at InStream Group

2 contacts

Wojciech Cebula

Operations Director & Co-Founder

w***@instreamgroup.com Sign up to view

Filip Duszczak

Group CEO

f***@instream.io Sign up to view

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21 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.

InStream Group's Position in the StackWho Database

• InStream Group is 1 of 80,546 marketing & advertising companies tracked in StackWho.
• 80,503 marketing & advertising companies in our database have verified decision-maker emails (100% of the cohort).
• 328 companies in wielkopolskie are in the StackWho database.
• 21,907 marketing & advertising companies are in the 11-50 employee range (same size as InStream Group).

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 InStream Group use?

InStream Group uses MailJet, Gmail, Google Apps, Microsoft Office 365, VueJS, Leadfeeder, and 15 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at InStream Group?

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

What industry is InStream Group in?

InStream Group operates in the marketing & advertising industry, headquartered in Poznan, wielkopolskie, Poland. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export InStream Group's contact data?

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