Hundred Spires Advisory
Get in touch.
Let's discuss what
you're working on.
Most engagements begin with a direct, confidential conversation.
Email
sander@hundred-spires.com
Principal
Sander Abernathy, CPA
Engagement Models
Project-BasedDefined Scope
Fixed deliverable, defined timeline. Assessments, AI roadmaps, process redesign, and transformation projects.
Monthly RetainerOngoing
Fractional CFO or Controller services. Structured around outcomes and availability — not hours.
Interim / EmbeddedLeadership
Embedded as interim finance leader through transitions, ERP implementations, or buildouts.
Typical Clients
Private equity-backed companies · Founder-led businesses · CFOs and Controllers at mid-market organizations · SMBs that need senior finance leadership