Accounting Services
Reliable day-to-day accounting support that keeps nonprofit records accurate and organized for annual tax filing, board reporting, and compliance obligations throughout the year.
Get dependable support for Arizona nonprofit annual tax filing requirements with guidance tailored to mission-driven organizations. One Abacus Advisory helps nonprofits stay organized, meet reporting deadlines, and strengthen financial compliance so leaders can focus on programs, boards, and year-round stewardship across Arizona.

Focused support for nonprofit tax compliance, reporting accuracy, and year-end filing readiness.
Reliable day-to-day accounting support that keeps nonprofit records accurate and organized for annual tax filing, board reporting, and compliance obligations throughout the year.
Strategic financial oversight, budgeting, and reporting that help nonprofits prepare complete, accurate information for annual filings and leadership review.
Hands-on senior finance leadership that strengthens reporting integrity, internal controls, and compliance processes without the cost of a full-time executive hire.
Annual tax filing for Arizona nonprofits requires accurate records, timely reporting, and a clear understanding of exempt-organization obligations. One Abacus Advisory helps mission-driven teams organize financial data, strengthen reporting processes, and reduce compliance risk before deadlines arrive. Whether your organization needs ongoing accounting support or senior-level financial oversight, the goal is a smoother filing cycle and stronger year-round financial clarity.

Experienced financial guidance for nonprofits navigating compliance, reporting, and organizational change.
Nonprofits rely on experienced, practical guidance that supports compliance and stronger financial operations.
Specialized support built around nonprofit reporting, governance, and exempt-organization compliance needs.
Backed by over 25 years of finance experience supporting complex reporting and filing readiness.
Arizona nonprofits get right-sized help that fits internal capacity, deadlines, and reporting complexity.
Practical insights help Arizona boards and leaders make informed decisions with greater confidence.
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.
Arizona nonprofit annual tax filing services typically include reviewing financial records, organizing required reporting data, preparing or supporting Form 990-related filings, checking compliance deadlines, and identifying gaps that could create risk. Support may also include board-ready financial reporting, internal documentation review, and coordination with accounting systems so filings are accurate, complete, and submitted on time.
Talk with an experienced advisor about your nonprofit’s reporting needs.
Deep finance and accounting leadership experience.
Specialized advisory support for nonprofits.
Executive guidance without full-time overhead.
Share your nonprofit’s current reporting needs, and we’ll help you understand the next best steps for accurate, timely filing 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.