Accounting Services
Reliable day-to-day accounting support for nonprofits, including core financial processes, stronger internal controls, and timely reporting that helps leadership and boards make informed decisions.
Get mission-focused financial guidance designed for nonprofit organizations that need stronger reporting, cleaner systems, and better decision support. From accounting assessments to board-ready reporting, One Abacus Advisory helps nonprofits improve financial clarity, strengthen compliance, and build sustainable operations without the cost of a full-time executive finance team.

Focused accounting and financial support tailored to nonprofit reporting, compliance, systems, and leadership needs.
Reliable day-to-day accounting support for nonprofits, including core financial processes, stronger internal controls, and timely reporting that helps leadership and boards make informed decisions.
Strategic oversight for budgeting, forecasting, cash flow, and board-ready reporting so nonprofit leaders gain accurate financial visibility without hiring a full-time executive.
Comprehensive reviews of accounting people, processes, and systems to identify risks, close gaps, and deliver practical recommendations that improve accuracy and efficiency.
Enhancement of nonprofit accounting platforms through better configuration, workflow improvements, reporting upgrades, and training that supports smoother finance operations.
Budgeting frameworks and cash forecasting tools built around nonprofit funding cycles, helping organizations plan responsibly and maintain stronger financial stability.
Clear financial communication and board-ready insights that support governance, strategic planning, and stronger confidence among nonprofit executives and stakeholders.
Pro bono accounting services can give nonprofits access to experienced financial guidance when stronger reporting, cleaner processes, or better oversight are urgently needed. One Abacus Advisory supports mission-driven organizations with practical accounting help, system improvements, and leadership-level insight that strengthens compliance, informs boards, and helps teams use limited resources more effectively.

See how nonprofit organizations benefit from clearer reporting, stronger systems, and experienced financial leadership.
Nonprofits rely on experienced, practical support that improves financial operations without unnecessary overhead.
Specialized support built around nonprofit reporting, governance, compliance, and mission-driven financial decision-making.
Backed by over 25 years of finance and accounting experience serving complex organizational needs.
Right-sized accounting leadership helps nonprofits get expert guidance without full-time executive payroll costs.
Clear, actionable reporting equips executives and boards to make stronger strategic and stewardship decisions.
Experienced nonprofit finance 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 accounting, pro bono means professional financial or advisory services provided without charge, typically to organizations that serve the public good. For nonprofits, this can include help with bookkeeping oversight, financial reporting, budgeting, internal controls, or system reviews. The goal is to strengthen financial operations and compliance while reducing the cost burden on mission-driven organizations.
Talk with our team about your nonprofit's accounting needs.
Seasoned finance leadership for nonprofits.
Focused expertise for mission-driven organizations.
Executive guidance without full-time overhead.
Share your organization's goals, challenges, and current finance needs. We'll review where support can make the biggest impact.
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.