Keystone Advisors LLC

We are Keystone Advisors LLC, a dedicated Certified Public Accounting (CPA) firm and strategic business partner committed to delivering excellence in financial and management consulting. Established in 2008 and headquartered in South Holland, Illinois, we have built a reputation for precision and integrity in serving federal, state, and local government agencies. As an SBA-Certified HUBZone and Economically Disadvantaged Woman-Owned Small Business (EDWOSB), we take pride in our ability to provide specialized support that meets the rigorous standards of the public sector.

Our expertise spans a wide array of professional services, including comprehensive audit and assurance, financial management, and organizational improvement. We work tirelessly to help our clients navigate complex regulatory environments, offering tailored solutions in areas such as audit readiness, internal control reviews, and budget execution. Our team of seasoned professionals, including CPAs and subject matter experts, leverages deep industry knowledge to drive operational efficiency and mission success for agencies like the FBI, DEA, and Department of Defense.

Beyond traditional accounting, we are passionate about empowering organizations through strategic staff augmentation and program management. We understand that every client has unique challenges, which is why we adopt a multidisciplinary approach to problem-solving. Whether it's deploying advanced business intelligence tools or providing critical administrative support, we are focused on building long-term partnerships grounded in trust, mutual respect, and a shared commitment to achieving tangible results.