Fractional COO
Provides senior operational leadership to improve workflows, internal systems, team alignment, and organizational performance for nonprofits managing growth, transition, or increasing complexity.
One Abacus Advisory helps nonprofits in New York strengthen operations, finance, HR, and grant infrastructure with flexible senior-level support. From board-ready reporting to scalable internal systems, we help organizations build capacity for growth, compliance, and mission delivery in a demanding funding and regulatory environment.

Strategic nonprofit consulting services that strengthen leadership, systems, compliance, and long-term organizational performance.
Provides senior operational leadership to improve workflows, internal systems, team alignment, and organizational performance for nonprofits managing growth, transition, or increasing complexity.
Delivers executive-level financial leadership, budgeting, forecasting, compliance oversight, and board-ready reporting to help nonprofits make stronger mission-aligned decisions without a full-time hire.
Supports nonprofits with grant compliance, reporting, drawdown accuracy, and government contracting infrastructure to reduce risk and maintain funder confidence.
Offers fractional HR leadership and systems support to strengthen compliance, people operations, onboarding, and organizational development across nonprofit teams.
Assesses and improves accounting systems, reporting workflows, and internal controls so nonprofit finance operations become more accurate, efficient, and scalable.
Partners with executive directors and boards to deliver clear reporting, strategic planning support, and governance insights that improve oversight and decision-making.
Capacity building is about creating the systems, leadership, and financial discipline nonprofits need to operate with confidence. One Abacus Advisory helps New York organizations strengthen internal operations, reporting, HR, and grant readiness so they can keep pace with board expectations, funder scrutiny, and the fast-moving demands of the city’s nonprofit landscape.

Supporting nonprofits through growth, transitions, and complex operational and financial challenges.
Nonprofits rely on us for practical leadership, clear guidance, and right-sized support.
Dedicated nonprofit expertise across finance, operations, grants, and organizational planning.
Fractional leadership gives New York nonprofits senior guidance without full-time executive overhead.
Clear, actionable reporting helps leaders and boards make confident, timely decisions.
Experienced support for audits, transitions, government funding, and demanding New York compliance expectations.
Experienced advisors focused on nonprofit capacity and stability.

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.
A nonprofit capacity building consultant helps strengthen the internal systems that support mission delivery. This can include financial oversight, operational workflows, HR processes, grant compliance, board reporting, and technology improvements. The goal is to make the organization more stable, efficient, and scalable so leadership can manage growth, funding requirements, and day-to-day operations with greater confidence.
Talk with our team about your nonprofit’s next steps.
Deep finance and accounting leadership experience.
Focused support tailored to nonprofit organizations.
Executive support without full-time overhead.
Share your goals, challenges, and current needs, and we’ll help identify the right consulting 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.