Fractional CFO
Executive-level financial leadership for nonprofits needing strategic oversight, forecasting, compliance support, and board-ready reporting without the cost of a full-time CFO.
Get experienced financial leadership tailored to nonprofit realities, from budgeting and reporting to compliance and board-ready insights. One Abacus Advisory helps mission-driven organizations strengthen financial clarity, improve internal controls, and make confident decisions without the overhead of a full-time executive team.

Strategic and operational finance support designed to strengthen nonprofit stability, reporting, and long-term decision-making.
Executive-level financial leadership for nonprofits needing strategic oversight, forecasting, compliance support, and board-ready reporting without the cost of a full-time CFO.
Reliable day-to-day accounting support that improves accuracy, strengthens internal processes, and delivers timely financial information for leadership and board oversight.
Comprehensive budgeting, cash flow management, and financial reporting services that help nonprofit leaders make informed, mission-aligned decisions with confidence.
Practical budgeting frameworks and cash forecasting tools built around nonprofit funding cycles to improve visibility, planning, and financial stability.
Hands-on senior finance director and controller support focused on reporting integrity, internal controls, compliance, and strong financial operations.
Assessment and optimization of accounting systems, workflows, and reporting tools to improve efficiency, controls, and confidence across the finance function.
Nonprofits need more than bookkeeping alone. One Abacus Advisory provides strategic financial guidance, operational oversight, and reporting clarity that help organizations manage growth, funding complexity, audits, and leadership transitions. With flexible fractional support, your team gains experienced finance leadership that strengthens compliance, improves decision-making, and supports long-term sustainability.

See how nonprofit organizations benefit from clearer reporting, stronger systems, and experienced financial leadership.
Nonprofits rely on us for practical financial leadership that supports both mission and accountability.
Specialized experience supporting nonprofit finance, reporting, governance, and operational decision-making.
Right-sized fractional services deliver executive expertise without the cost of full-time hires.
Clear, actionable reporting helps leaders and boards make informed, confident financial decisions.
Backed by over 25 years of finance and accounting experience across complex nonprofit environments.
Experienced advisors focused on nonprofit financial strength.

Founder, Consulting CFO
Lorin Port is the Founder and Consulting CFO of One Abacus Advisory, bringing over 25 years of finance and accounting experience to the nonprofit sector. With a dedicated focus on nonprofit financial leadership for the past nine years, Lorin specializes in fractional CFO and COO services, nonprofit accounting, and NetSuite optimization. He has partnered with prominent organizations such as the San Diego Food Bank, Philadelphia Zoo, and Laguna Playhouse, delivering strategic financial guidance during periods of growth, transition, and complexity. Lorin is committed to empowering nonprofit leaders and boards with clear, actionable insights that drive stronger decisions and long-term organizational health. His flexible, right-sized approach ensures each client receives tailored support that aligns with their unique mission and operational needs.
Yes, Fidelity offers account options that may be used by nonprofit organizations, including brokerage and cash management solutions. Eligibility, documentation, and account features vary by account type, so nonprofits typically need formation documents, EIN confirmation, and authorized signer information. It is important to compare providers based on investment access, reporting tools, fees, and internal control requirements before opening an account.
Talk with an experienced nonprofit financial advisor today.
Seasoned finance and accounting leadership
Focused expertise for nonprofit organizations
Flexible executive-level financial support
Share your organization’s goals, challenges, or reporting needs, and we’ll help you explore the right level of financial support.
For immediate assistance, feel free to give us a direct call at +1 760-845-3808. You can also send us a quick email at lorin@oneabacusadvisory.com.
For immediate assistance, feel free to give us a direct call at +1 760-845-3808. You can also send us a quick email at lorin@oneabacusadvisory.com.