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Trusted Accounting & Tax Services in Portland
Mosaic Consulting & Tax has been dedicated to providing comprehensive accounting and tax solutions since our founding. Our team of certified professionals brings decades of combined experience in bookkeeping, tax preparation, and business advisory services. We specialize in delivering accurate financial reporting, proactive tax planning, and strategic business guidance tailored to each client's unique needs. With oversight from a CPA boasting 35 years of industry expertise, we ensure meticulous attention to detail in every aspect of our work. Our commitment to timely service is demonstrated through monthly reports delivered by the 20th of each month and year-round financial monitoring. We empower clients with personalized support through our secure online portal, enabling active participation in financial management.

Our approach combines technical excellence with practical business insights to help clients minimize tax liabilities and optimize financial health. Recognized for our responsive service and deep understanding of evolving tax regulations, we serve as trusted partners to businesses and individuals alike. Client testimonials consistently highlight our professionalism, reliability, and ability to transform complex financial matters into clear, actionable strategies. This dedication to excellence has established us as a preferred choice for accounting services in the Portland area.
Services
Business Bookkeeping Tax Preparation Business Advisory Payroll Processing Financial Reporting Tax Planning S-Corp Conversion Budget Forecasting
Highlights and features
  • 35 years of CPA-led accounting expertise
  • Monthly financial reporting by the 20th
  • Proactive tax minimization strategies
  • Secure online client portal access
  • Personalized business advisory consultations
What people say
Professional and reliable Amazing job with payroll Best accounting service Personalized financial guidance Transformed business operations
Services
Business Bookkeeping
Our CPA-led bookkeeping services provide accurate monthly financial reports by the 20th, with year-round monitoring and reconciliation. We maintain precise records for tax preparation and business decision-making. Our system ensures timely reporting and financial transparency for business owners.
Tax Preparation
We offer comprehensive tax preparation for businesses and individuals, including mid-year check-ups and year-end filings. Our team stays current with tax law changes to ensure compliance while minimizing liabilities. Services cover all business structures and multi-state tax requirements.
Business Advisory
Our advisory services include budget forecasting, business structure analysis, and growth strategy development. We provide one-on-one consultations to create customized financial plans. Our 35-year experienced CPA offers actionable insights for business optimization and long-term success.
Payroll Processing
We handle complete payroll processing with tax compliance and reporting. Our system adapts to business growth while maintaining accurate records. Services include wage calculations, tax filings, and year-end reporting for evolving business needs.
S-Corp Conversion
Our experts evaluate business eligibility for S-Corp status and manage the complete conversion process. We analyze tax implications and implement structural changes to optimize financial benefits. This service includes ongoing compliance support and strategic planning for converted businesses.
People
Kevin Ohanesian
Owner/CPA
Certified Public Accountant with 35 years of experience providing strategic financial guidance. Specializes in business tax planning, S-Corp conversions, and personalized accounting solutions. Committed to client education and proactive financial management.
Leslie Sorensen
Team Member
Experienced professional delivering comprehensive accounting services with attention to detail. Provides personalized support for business bookkeeping, tax preparation, and financial planning needs. Maintains commitment to client satisfaction and timely service delivery.
Questions
What accounting services do you offer for businesses?
We provide comprehensive business bookkeeping, tax preparation, payroll processing, financial reporting, budget forecasting, and strategic advisory services tailored to your specific needs.
How does your tax planning process work?
Our proactive tax planning includes mid-year check-ups, structure optimization, and year-end strategies to legally minimize tax liabilities while maximizing business growth opportunities.
Can you help with S-Corp conversions?
Yes, we specialize in evaluating business structures and guiding clients through S-Corp conversions to optimize tax efficiency and business growth potential.
Do you offer online accounting tools for clients?
We provide secure online portal access for document sharing, real-time financial tracking, and seamless communication with our accounting team.
How do you handle business tax compliance?
We ensure complete tax compliance through accurate quarterly filings, regulatory reporting, and strategic planning to maintain proper business tax status.