About OKTO
mobile payments, open banking, psd2, qr pay, digital payments, digital wallets, evoucher payment solutions, payment tech, payment gateway, payment platform, chargeback management, latam payment solutions, multi-currency support, api-driven platform, regulatory compliance, customer acquisition, real-time transactions, local market adaptation, payment acceptance in retail, market-specific solutions
OKTO's Tech Stack
Cloud
Other
Analytics
Frontend
Backend
Decision Makers at OKTO
2 contactsKalebi Serafim
Chief Technology Officer - Brazil
Michael Vogiatzis
VP of Engineering
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OKTO's Position in the StackWho Database
- • OKTO is 1 of 21,667 financial services companies tracked in StackWho.
- • 21,586 financial services companies in our database have verified decision-maker emails (100% of the cohort).
- • 2,266 financial services companies are in the 51-200 employee range (same size as OKTO).
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 OKTO use?
OKTO uses Outlook, Microsoft Office 365, DigitalOcean, DoubleClick, Gravity Forms, DoubleClick Conversion, and 12 more technologies. This data is sourced from StackWho's technology detection engine.
How do I contact the decision makers at OKTO?
StackWho has verified email addresses for 2 decision makers at OKTO. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach OKTO directly for sales, recruiting, or partnerships.
What industry is OKTO in?
OKTO operates in the financial services industry, headquartered in Athens, Greece. StackWho tracks technology stacks and decision maker contacts for companies across all industries.
Can I export OKTO's contact data?
Yes. StackWho Pro members can export decision maker contact data for OKTO and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.
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Decision Makers
Kalebi Serafim
Chief Technology Officer - Brazil
Michael Vogiatzis
VP of Engineering
More in financial services
View all companiesTechnologies Used
- Outlook
- Microsoft Office 365
-
DigitalOcean
-
DoubleClick
-
Gravity Forms
- DoubleClick Conversion
-
Facebook Custom Audiences
- Facebook Widget
- +10 more in full profile