We are a forward-thinking accounting and advisory firm committed to delivering world-class financial services that empower businesses and individuals to achieve sustainable growth. Founded by experienced Certified Public Accountants, OACO bridges the gap between compliance and strategic financial management through technology-driven solutions, serving clients across Canada and internationally.
OACO Professional Services, CPA was established with a clear vision: to redefine how businesses and individuals experience financial services. Our firm brings together seasoned accounting professionals, tax specialists, auditors and business advisors who share a common passion for precision, integrity and client empowerment.
Whether you are a startup seeking foundational bookkeeping, a growing enterprise navigating complex tax regulations, or a multinational organization requiring robust audit and assurance, our team delivers tailored solutions that align with your goals and circumstances.
At OACO we serve a broad spectrum of clients: entrepreneurs, small and medium-sized enterprises, multinational corporations, public sector organizations and non-profit entities. Our experience spans financial services, technology, healthcare, real estate, manufacturing, retail and professional services, which lets us bring cross-industry insight to every engagement.
"The workpaper is the argument. If the evidence is not in the file, the conclusion does not exist."
How we approach every engagement
To empower businesses and individuals with reliable financial insight, innovative tools and expert guidance that drive sustainable growth and long-term success.
To be a leading global accounting and advisory firm known for transforming how businesses manage, understand and grow their finances.
We uphold the highest ethical standards in everything we do, and we document the reasoning behind our conclusions.
We deliver quality, accuracy and professionalism on a predictable schedule, not at the last minute.
We use technology and AI-assisted tools where they improve the evidence, never to replace professional judgement.
Your growth is the measure. We explain the finding, the consequence and the remedy in plain terms.
We work as partners rather than service providers, with your team inside the process instead of outside it.
Independence, confidentiality and professional scepticism are not values we list — they are conditions of doing the work.
Engagements follow the same four stages whether the work is an audit, a compliance review or an advisory mandate. What changes is the scope and the standard applied.
We agree the objective, the framework and the evidence expected before fieldwork starts, so there are no surprises about what the file must contain.
Work is performed against a documented program. Every conclusion carries its support, and every gap is recorded rather than carried in conversation.
A second reviewer clears the file against ISQM 1 expectations before anything is issued, with review notes retained on the record.
You receive the report, a findings register with owners and dates, and a re-testing plan for the items that are not yet resolved.
Our proprietary AI-powered financial insight platform, MVAF, provides real-time analytics, predictive modeling and automated compliance tracking that goes beyond traditional accounting. Human expertise and automation work on the same record, so decisions are faster and the support is already in the file.
The standard applied is named in the engagement letter, and it governs the evidence we collect.
Preparation, compilation and audit work under the framework your stakeholders expect, private or public interest.
Assurance engagements performed to International Standards on Auditing, with conclusions tied to tested evidence.
Firm-level quality objectives, engagement quality reviews and monitoring, documented as the standard requires.
Public sector reporting and audit support where donor, ministry or statutory reporting applies.
Design, independent testing and remediation of AML/KYC programs for regulated entities and MSBs.
Corporate filings, year-end coordination and the working papers that support the positions taken.
Assurance and control reviews for businesses whose product is a financial promise.
AML programs that hold up when someone asks to see the file.
Clear reporting for funders, boards and the communities you answer to.
Independence-aware financial management for firms that advise others.
Project-level accounting that reconciles to the statements.
Controls and compliance built in before the next funding round asks for them.
Tell us what you report on and who you report to. We will confirm scope, timing and the evidence we need before any work begins.