Open Castle

opencastle.io

Chicago, Illinois, United States

1-10 employees

LinkedIn Profile

About Open Castle

fintech, mortgage, proptech, technology, non-resident home buyers, global mortgage market growth, credit analytics, property finance, cross-border real estate, client acquisition, credit guarantees, broker funding solutions, lender profit maximization, risk mitigation, services, international property investment, global mortgage solutions, lending growth, international property loans, lender partnerships

Open Castle's Tech Stack

7 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

Open Castle operates in financial services. Strong sales angles include risk reduction, compliance automation, fraud prevention, and reporting/analytics tools.

Open Castle's Position in the StackWho Database

• Open Castle 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).
• 11,640 companies in Illinois are in the StackWho database.
• 8,943 financial services companies are in the 1-10 employee range (same size as Open Castle).

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

Frequently Asked Questions

What technology does Open Castle use?

Open Castle uses Cloudflare DNS, Gmail, Google Apps, Google Cloud Hosting, Mobile Friendly, Varnish, and 1 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Open Castle?

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

What industry is Open Castle in?

Open Castle operates in the financial services industry, headquartered in Chicago, Illinois, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Open Castle's contact data?

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