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Seppo Hamalainen

CEO

Leinonen Group

Tallinn, Harju County

Contact Information

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Company Information

Company
Leinonen Group
Industry
accounting
Employees
45.0
Seniority
C suite

Professional Summary

Seppo Hamalainen serves as CEO at Leinonen Group. Leinonen Group operates in the accounting sector with approximately 45.0 employees. The company is headquartered in Tallinn, Harju County.

Industry & Role Insights

  • • MessageCEO tracks 716 executives in the accounting sector.
  • • 109 executive contacts are available in Harju County.
  • • Our database includes 201,469 c suite-level executives.

Keywords

administration audit payroll management accounting advisory financial services

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Outreach Guidance — accounting Sector

Executives like Seppo Hamalainen in the accounting 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 Leinonen Group.

Seppo Hamalainen's Position in the MessageCEO Database

  • •Seppo Hamalainen is 1 of 1 verified executive contact we track at Leinonen Group.
  • •704 verified executive contacts in accounting are in the MessageCEO database.
  • •109 verified executive contacts in Harju County are in the database.
  • •11 verified contacts work at accounting companies in the 45.0 employee range (same size as Leinonen Group).

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 We do not publish personal addresses or sensitive identifiers.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 June 2026.

Frequently Asked Questions

How do I reach Seppo Hamalainen directly?

Seppo Hamalainen's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at Leinonen Group. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Seppo Hamalainen work for?

Seppo Hamalainen is CEO at Leinonen Group, a company in the accounting sector with 45.0 employees. The company is based in Tallinn, Harju County.

Can I pitch or sell to Seppo Hamalainen?

As CEO at Leinonen Group, Seppo Hamalainen is a key decision-maker in the accounting sector. MessageCEO Pro gives you verified email to reach Seppo Hamalainen directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Seppo Hamalainen in?

Seppo Hamalainen works in the accounting industry as CEO at Leinonen Group. MessageCEO provides verified contact information for executives across all major industries.

Is Seppo Hamalainen's contact information verified?

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

Verified Profile
Last updated: June 27, 2026

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