Fractional CFO
Executive-level financial leadership for nonprofits needing stronger forecasting, reporting, compliance, and board-ready analysis without the cost of a full-time CFO.
Build a stronger financial foundation with strategic nonprofit advisory support designed to improve reporting, cash visibility, and operational decision-making. One Abacus Advisory helps mission-driven organizations align budgets, grants, systems, and leadership priorities so they can reduce risk, strengthen resilience, and make confident choices that support long-term financial viability.

Strategic financial and operational services that help nonprofits improve stability, oversight, and long-term sustainability.
Executive-level financial leadership for nonprofits needing stronger forecasting, reporting, compliance, and board-ready analysis without the cost of a full-time CFO.
Practical budgeting frameworks and cash forecasting tools that give nonprofit leaders clearer visibility into financial performance and upcoming resource needs.
Comprehensive oversight of budgeting, cash flow, and financial reporting to support sound governance, transparency, and mission-aligned decisions.
Support for complex grant portfolios and government contracts with a focus on compliance, reporting accuracy, and reduced funding risk.
Operational leadership that strengthens workflows, systems, and accountability so nonprofit teams can scale more effectively and stay focused on mission delivery.
Assessment and improvement of accounting systems, workflows, and controls to increase efficiency, reporting accuracy, and organizational confidence.
Nonprofit sustainability depends on more than balanced books. It requires clear reporting, disciplined forecasting, reliable systems, and leadership that can connect financial data to mission priorities. One Abacus Advisory helps organizations strengthen financial infrastructure, improve board visibility, and make strategic decisions with greater confidence. From cash planning to grant compliance, the focus stays on practical improvements that support resilience, accountability, and long-term viability.

See how nonprofits strengthen reporting, operations, and long-term financial stability with experienced advisory support.
Nonprofits rely on us for practical financial leadership tailored to mission-driven organizations.
Specialized nonprofit finance expertise supports stronger compliance, reporting, and mission-aligned planning.
Fractional leadership gives organizations senior guidance without the overhead of full-time executive hires.
Clear, actionable reporting helps executives and boards make informed strategic decisions with confidence.
Financial systems, workflows, and controls are improved to reduce risk and support sustainable growth.
Experienced nonprofit financial leadership you can trust.

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.
In financial terms, nonprofit sustainability means having the revenue visibility, cash management, reporting discipline, and internal controls needed to support programs over time. It includes realistic budgets, timely financial statements, diversified funding, grant compliance, and leadership processes that help organizations respond to change without losing focus on mission delivery.
Talk with an experienced advisor about your nonprofit's next steps.
Seasoned finance leadership for nonprofits.
Specialized guidance for mission-driven organizations.
Flexible executive support without full-time overhead.
Share your goals, challenges, and current financial needs. We'll follow up with practical guidance on the right advisory support for your organization.
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.