Helping Philippine businesses stay compliant while focusing on growth.
Acosa Accounting Office provides professional accounting, taxation, payroll, bookkeeping, and business compliance services for entrepreneurs and growing businesses across the Philippines.
The Firm
“Precision in the work. Confidence in the business.”
A professional firm built around Philippine entrepreneurs.
Acosa Accounting Office is a professional accounting and advisory firm founded to help Philippine entrepreneurs simplify compliance while making better business decisions.
Our philosophy extends beyond filing reports. We are committed to helping businesses build systems, improve financial clarity, and grow with confidence — combining technical precision with a genuine understanding of what it takes to run a business.
To empower Philippine entrepreneurs through accurate financial information, reliable compliance, and practical business guidance that supports sustainable growth.
To become one of the most trusted accounting and advisory firms for Philippine MSMEs by combining technical excellence, innovation, education, and long-term client relationships.
A complete back-office for growing businesses.
Twelve focused service lines covering everything a Philippine MSME needs to stay compliant and well-run.
Accounting & Bookkeeping
Accurate, well-organized books that reflect the real position of your business.
Tax Compliance
Monthly, quarterly, and annual BIR filings handled with precision and on time.
Tax Planning Support
Execution support for the strategies developed through advisory engagements.
Payroll Services
End-to-end payroll processing and statutory remittances for SSS, PhilHealth, and Pag-IBIG.
Business Registration
BIR, DTI, SEC, and LGU registration for new and restructuring businesses.
SEC Compliance
GIS, AFS submissions, and corporate secretarial support for corporations.
BIR Compliance
Books of accounts, official receipts, and ongoing BIR regulatory requirements.
Financial Statement Preparation
Audit-ready financial statements prepared to professional standards.
Management Reporting
Monthly reports that turn numbers into clear management insights.
Business Advisory Support
Practical guidance from a team that understands both numbers and entrepreneurship.
QuickBooks Implementation
Setup, migration, and training for QuickBooks and modern accounting platforms.
Internal Accounting Systems
Design and improvement of internal controls and finance workflows.
Sector experience across the Philippine MSME landscape.
The standards behind every engagement.
Reliable Compliance
Filings done correctly, completely, and on time — every period.
Experienced Professionals
Led by a CPA with deep MSME and corporate exposure.
Responsive Team
Clear communication, fast turnaround, and accessible support.
Technology-Driven Processes
Cloud accounting, secure document workflows, and modern tooling.
Business-Focused Mindset
We work as a finance partner, not just a service provider.
Long-Term Partnership
Most clients stay with us for years — and grow with us.
Confidentiality
Strict professional confidentiality across every engagement.
Continuous Improvement
We invest in training, systems, and standards every year.
A clear path from first call to continuous support.
Initial Discovery
A short call to understand your business, current setup, and immediate needs.
Business Assessment
We review your books, filings, and operations to define the right scope.
Proposal
A clear engagement proposal with services, deliverables, and timelines.
Onboarding
Structured handover, document collection, and account setup.
Implementation
Day-to-day delivery of accounting, compliance, and reporting.
Continuous Support
Ongoing service reviews, advisory, and proactive recommendations.
Accounting that thinks like a business owner.
Acosa Accounting Office combines professional accounting expertise with the practical business experience of entrepreneurs. Unlike firms focused only on compliance, we help clients understand the numbers behind their business and make informed decisions.
Our work integrates with the strategic frameworks developed by Mark Jim Acosa, including the concepts introduced in Taxcelerate — connecting day-to-day execution with the long-term direction of the business.
Mark Jim Acosa, CPA, MMBM
Mark Jim Acosa is the founder of Acosa Accounting Office, author of Taxcelerate, entrepreneur, speaker, and business advisor dedicated to helping Philippine MSMEs grow responsibly.
His perspective — built from years of practice, study, and founding his own firm — shapes the standards, philosophy, and client experience of Acosa Accounting Office.
Client success starts with better systems.
Success stories and testimonials across the businesses we serve — coming soon to this page.
Let's build your business together.
Tell us about your business and where you need support. Our team will review your inquiry and schedule a discovery call to discuss the right engagement for you.
From compliance to business confidence.
Whether you need bookkeeping, tax compliance, payroll, advisory support, or a long-term accounting partner, Acosa Accounting Office is ready to help.