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Trusted CPA & Consulting Services in Connecticut
Whittlesey & Hadley has been a trusted name in accounting, advisory, and technology services for over six decades. Our firm combines deep industry expertise with personalized solutions to meet the unique needs of businesses, nonprofits, and individuals. We pride ourselves on delivering compliance, assurance, and strategic guidance tailored to each clients goals. Our team of certified professionals brings decades of experience in tax planning, financial audits, and cybersecurity, ensuring clients receive actionable insights aligned with evolving regulations.

Recognized nationally as a Top 200 Accounting Firm by Inside Public Accounting, we emphasize transparency, integrity, and client-centric service. By focusing on long-term partnerships, we help organizations navigate complex financial landscapes while fostering sustainable growth. Our commitment to excellence has earned us a reputation as a leader in Connecticut and across New England, serving diverse industries with precision and foresight.
Services
Assurance Services Tax Planning Cybersecurity Audits Employee Benefit Plans Technology Consulting
Highlights and features
  • Over 60 years of experience providing accounting and advisory services in New England.
  • Recognized as a Top 200 Accounting Firm by Inside Public Accounting.
  • Customized cybersecurity solutions for businesses and nonprofits.
  • Specialized expertise in employee benefit plans, tax compliance, and audits.
  • Industry-specific insights tailored to healthcare, franchising, and nonprofits.
Associations and certifications
  • Top 200 Accounting Firm (Inside Public Accounting)
  • Best of the Best Firm (Accounting Today)
What people say
Expertise Responsiveness Tailored solutions Trusted advisors Industry insights
Services
Assurance Services
Whittlesey & Hadley provides customized assurance services, including financial audits and compliance validation for for-profit and nonprofit organizations. Our approach focuses on integrity and tailored guidance to support key business decisions. With decades of experience, we ensure accurate reporting and regulatory adherence while delivering strategic insights for operational improvement.
Cybersecurity Audits
Our cybersecurity audit services identify vulnerabilities and strengthen digital defenses for businesses and nonprofits. We conduct penetration testing, risk assessments, and compliance reviews to mitigate threats. By aligning security strategies with industry standards, we help clients protect sensitive data and maintain continuity in an evolving threat landscape.
Tax Planning
Whittlesey & Hadley offers comprehensive tax planning and compliance services for individuals and businesses. Our experts provide year-round support, optimizing tax strategies while ensuring adherence to federal and state regulations. With a focus on proactive planning, we help clients minimize liabilities and achieve long-term financial goals through personalized advisory solutions.
Employee Benefit Plans
We specialize in managing employee benefit plans, ensuring compliance with evolving regulatory requirements. Our services include audit support, reporting assistance, and strategic advice for plan administrators. By simplifying complex regulations, we help organizations maintain compliance while optimizing benefits to attract and retain talent.
Technology Consulting
Whittlesey & Hadley delivers tailored technology consulting, including managed IT services and cybersecurity frameworks. Our solutions optimize infrastructure, enhance data protection, and support business growth. By integrating compliance-focused strategies, we empower clients to leverage technology efficiently while safeguarding their digital assets against emerging threats.
Questions
What industries does Whittlesey & Hadley specialize in?
Whittlesey & Hadley serves diverse industries including healthcare, franchising, nonprofits, financial institutions, and manufacturing.
Do you offer cybersecurity services for small businesses?
Yes, we provide scalable cybersecurity audits, risk assessments, and compliance solutions tailored to small businesses.
How long has Whittlesey & Hadley been in operation?
Whittlesey & Hadley has served clients for over six decades, with a legacy of accounting and consulting excellence.
Can Whittlesey & Hadley assist with employee benefit plan compliance?
Yes, our team specializes in navigating complex regulations for employee benefit plan management.
What sets Whittlesey & Hadley apart from other accounting firms?
We combine deep industry expertise with personalized service, prioritizing client trust and proactive financial guidance.
Are your tax services available year-round?
Yes, we offer year-round tax planning, compliance, and advisory services for individuals and businesses.
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