Frank Close

Frank Close serves as CEO at Guardian Security Systems, Inc.. Guardian Security Systems, Inc. operates in the security & investigations sector with approximately 230.0 employees. The company is headquartered in Seattle, Washington. Guardian Security Systems, Inc. generates annual revenue of 4123000.0.

Industry & Role Insights

• • MessageCEO tracks 844 executives in the security & investigations sector.
• • We have verified contacts for 2 executives at Guardian Security Systems, Inc..
• • 2,277 executive contacts are available in Washington.
• • Our database includes 201,468 c suite-level executives.

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Jami Oster Chief Technology Officer at Guardian Security Systems, Inc.

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Jose Francisco Co-CEO at 2045 - Empresa de Segurança, S.A.

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Miguel Pinho Co-CEO at 2045 - Empresa de Segurança, S.A.

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Johan Nykvist CEO at 2Secure AB

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Jamie Catania CEO & Practice Lead, Collision Reconstruction at '-30- Forensic Engineering

Outreach Guidance — security & investigations Sector

Executives like Frank Close in the security & investigations sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at Guardian Security Systems, Inc..

Frank Close's Position in the MessageCEO Database

• •Frank Close is 1 of 2 verified executive contacts we track at Guardian Security Systems, Inc..
• •828 verified executive contacts in security & investigations are in the MessageCEO database.
• •2,137 verified executive contacts in Washington are in the database.
• •11 verified contacts work at security & investigations companies in the 230.0 employee range (same size as Guardian Security Systems, Inc.).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated July 2026.

How do I reach Frank Close directly?

Frank Close's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at Guardian Security Systems, Inc.. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Frank Close work for?

Frank Close is CEO at Guardian Security Systems, Inc., a company in the security & investigations sector with 230.0 employees. The company is based in Seattle, Washington.

Can I pitch or sell to Frank Close?

As CEO at Guardian Security Systems, Inc., Frank Close is a key decision-maker in the security & investigations sector. MessageCEO Pro gives you verified email to reach Frank Close directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Frank Close in?

Frank Close works in the security & investigations industry as CEO at Guardian Security Systems, Inc.. MessageCEO provides verified contact information for executives across all major industries.

Is Frank Close's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Frank Close's profile is kept up-to-date with the latest available information.

Last updated: July 31, 2026