Built on Relationships.
Proven in the Field.
Celtic Enterprises is a relationship-driven commercial general contractor founded and led by husband-and-wife team Ken and Karen Murphy. Since 2014, they have built the company with a focus on accountability, disciplined planning, and long-term partnerships with clients who value clear communication and dependable execution.
We specialize in complex renovations completed while facilities remain fully operational, particularly within rehabilitation and healthcare environments, convenience store and fuel station portfolios, and occupied corporate facilities. Our work also includes select ground-up construction projects where our operational mindset adds measurable value.
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As an owner-led company, clients have direct access to leadership and the full project team. We approach every project with an operations-first mindset, protecting people, processes, and daily business while improvements are delivered safely and efficiently.
Built Differently

Direct Access
Owner-Led Leadership
Hands-On Through Every Phase
Long-Term Relationships
Relationship-Driven Execution
Clear Communication
Collaboration
Respect For Design & Process
Coordination
Team
Dedication. Expertise. Passion.
Celtic Enterprises is led by a hands-on team committed to disciplined planning and clear communication. As an owner-led company, we stay closely connected to every project, ensuring steady leadership and accountability from preconstruction through closeout. Our team approaches each engagement with an operations-first mindset, protecting people, processes, and daily business while delivering dependable results.
Service Locations

Projects in San Francisco
Our Address
Phone





