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Your Trusted Partner for Accounting Services in Connecticut
We are a hometown accounting firm serving clients in the northwest corner of Connecticut and beyond. With over 30 years of experience, we deliver professional, personalized, and timely service, combining financial expertise with a comfortable client experience. Our reputation for quality service at affordable rates is built on a foundation of attentive, responsive staff who uphold the highest standards of quality. As a CPA firm, we prioritize continuing education to stay current with tax law changes, ensuring accurate and reliable service. Our team brings distinct strengths to tax preparation, audits, payroll, and accounting services, serving individuals, businesses, and nonprofits.

We specialize in ACOR/Annual Reports for Connecticut and assist with new business setup, financial statement preparation, and tax audit representation. Our commitment to community involvement and client-centric values sets us apart. We maintain offices in Winsted, Canaan, and Granby, offering electronic filing and direct deposit for efficient tax processing. Our team includes experienced professionals like Lori Riiska, a UConn graduate and chair of the Connecticut Peer Review Committee, and Beverly Riiska, with 42 years of tax preparation expertise. We blend generational experience and modern technology to meet evolving client needs.
Services
Tax Preparation Audit Services Payroll Processing Accounting Services New Business Setup ACOR Reports Bookkeeping Tax Audit Assistance Financial Statements Client Consultation
Highlights and features
  • We offer 30+ years of experience in tax and accounting services.
  • Our team includes CPA-certified professionals with specialized expertise.
  • We provide personalized service with a focus on client needs.
  • We maintain rigorous continuing education standards for tax law compliance.
  • We offer electronic filing and direct deposit for faster refunds.
Associations and certifications
  • Certified Public Accountant (CPA)
Services
Tax Preparation
We prepare federal and state tax returns for individuals, businesses, and nonprofits. Our CPA-certified team stays current with tax law changes through mandatory continuing education. We offer electronic filing and direct deposit to expedite refunds, serving sole proprietors, corporations, trusts, and estates.
Audit Services
We conduct audits, reviews, and compilations for for-profit and nonprofit organizations. These services provide varying assurance levels for financial statements required by creditors or state agencies. Our audits meet AICPA standards, ensuring accuracy and compliance with regulatory requirements.
Payroll Processing
We manage payroll processing, including check preparation and tax filings. Our services cover quarterly and year-end reporting requirements, ensuring compliance with federal and state regulations. We tailor solutions to business size and industry-specific needs.
Accounting Services
We offer bookkeeping, financial statement preparation, and write-up services. Our team provides controller-level expertise without full-time costs, maintaining updated software systems to support business operations and decision-making.
New Business Setup
We assist with business registration for federal and state agencies. Our services include entity selection guidance and paperwork preparation, helping entrepreneurs establish businesses efficiently while focusing on their core operations.
People
Lori Riiska
Owner
Lori Riiska, CPA, has 30+ years of experience. A UConn graduate, she chairs Connecticut's Peer Review Committee and presents CPA continuing education webinars. She serves on nonprofit boards and specializes in tax and audit services.
Becky Litchfield
Accountant
Becky Litchfield holds a BA in accounting and is a QuickBooks Pro Advisor with 20+ years of experience. She specializes in tax returns, audits, bookkeeping, and payroll services for businesses and individuals.
Mariann Stone
Office Administrator
Mariann Stone has 18 years of office administration experience. She manages client files, tax returns, and bookkeeping services. Previously worked with Oscar J. Riiska CPA before joining Lori's team.
Cindi Davidson
Accounting Specialist
Cindi Davidson handles client files, tax preparation, and payroll services. With prior education and client relations experience, she brings organizational skills to support business and individual tax needs.
Beverly Riiska
Senior Accountant
Beverly Riiska has 42 years of tax and bookkeeping experience. A former partner with Oscar J. Riiska CPA, she specializes in individual and payroll tax returns and client relations for the firm.
Questions
What accounting services do you offer?
We provide tax preparation, audit services, payroll processing, bookkeeping, financial statements, ACOR reports, and new business registration for individuals and businesses.
Why choose a CPA over a regular accountant?
CPAs meet strict education and experience requirements, adhere to ethical standards, and provide higher assurance levels for financial reporting. Our CPA credentials ensure expert tax and audit services.
Do you serve businesses outside Connecticut?
While based in northwest Connecticut, we serve clients beyond the region through electronic filing and virtual consultations for tax and accounting needs.
How do you handle tax audits?
We represent clients during IRS or Connecticut DRS audits, preparing responses and documentation to resolve issues efficiently while minimizing client burden.
What are your office hours?
Our offices in Winsted, Canaan, and Granby operate during standard business hours. Contact us directly for specific scheduling needs or after-hours consultations.