What technologies does Stronghold use?

Stronghold uses Cloudflare DNS, Mailchimp Mandrill, Gmail, Google Apps, MailChimp SPF. View their full technology stack — including all 15 detected tools — on StackWho.

Who is the CTO of Stronghold?

Sean Bennett is the CTO at Stronghold. Get verified contact information on StackWho.

Who is the Director of Engineering of Stronghold?

Sergei Zagoskin is the Director of Engineering at Stronghold. Get verified contact information on StackWho.

Where is Stronghold located?

Stronghold is based in San Francisco, California, United States.

Stronghold

Q: What industry is Stronghold in?

Stronghold operates in the financial services industry.

stronghold.co

financial services

stronghold.co

San Francisco, California, United States

11-50 employees

12500000 revenue

LinkedIn Profile

About Stronghold

payments, fintech, international payments, forex, cross border payments, crypto, defi, financial services, finance technology, information technology & services

Stronghold's Tech Stack

AI/ML

Decision Makers at Stronghold

2 contacts

Sean Bennett

CTO

s***@stronghold.co Sign up to view

Sergei Zagoskin

Director of Engineering

s***@stronghold.co Sign up to view

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15 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

Zendesk usage signals a customer support operation. Alternatives, add-ons (AI agents, ticketing automation, CX analytics), and customer feedback tools are strong sales angles.

Stronghold's Position in the StackWho Database

• Stronghold 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).
• 53,147 companies in California are in the StackWho database.
• 7,667 financial services companies are in the 11-50 employee range (same size as Stronghold).

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 Stronghold use?

Stronghold uses Cloudflare DNS, Mailchimp Mandrill, Gmail, Google Apps, MailChimp SPF, Zendesk, and 9 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Stronghold?

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

What industry is Stronghold in?

Stronghold operates in the financial services industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Stronghold's contact data?

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