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Business Details
33 Years
experience
Your Trusted Tax Partner in Glendale, AZ
Founded in 1993, Double D Tax Services has been serving families and small businesses for over 30 years. Our family-owned and operated business specializes in mobile tax preparation, providing personalized service side-by-side with clients in Glendale, AZ, and beyond. We offer comprehensive solutions including individual and business tax preparation, real estate tax advising, payroll services, and year-round tax support. Our team of Enrolled Agents brings decades of experience, ensuring clients receive accurate filings and strategic tax planning.

With flexible meeting optionswhether in-person at your preferred location or via Zoomwe prioritize convenience and client education. Our commitment extends beyond filing season, offering ongoing advisory services to help clients optimize their financial health and minimize tax liabilities legally.
Services
Tax Preparation Real Estate Tax Advising Payroll Services Bookkeeping LLC/S-Corp Setup
Details
  • Year established: 1993
Highlights and features
  • We offer 30+ years of experience in individual and business tax preparation.
  • Our mobile service meets you at your preferred location in the valley.
  • Year-round tax advising ensures ongoing financial strategy and support.
  • Real estate expertise provides unique insights for property-related tax planning.
  • Competitive payroll service rates for existing tax clients.
Associations and certifications
  • Enrolled Agent
Services
Tax Preparation
Comprehensive tax preparation for individuals and businesses, including crypto, real estate, and complex returns. Our Enrolled Agents ensure compliance and maximize savings through strategic planning. Services include back-year filings, audit defense, and mid-year tax strategy consultations.
Real Estate Tax Advising
Specialized tax guidance for real estate transactions, including purchase/sale negotiations and investment planning. Our expertise helps clients optimize tax benefits and navigate property-related deductions. Services integrate with broader financial strategies for residential and investment properties.
Payroll Services
Affordable payroll tax reporting for businesses, including quarterly filings and W-2 preparation. Rates start at $100 per quarter, with flexible adjustments for employee changes. Designed as a value-added service for existing tax clients to streamline compliance.
Bookkeeping
Monthly bookkeeping maintenance and cleanup through an easy-to-use platform. Includes tax liability forecasts, estimated payments, and business health consultations. Designed for entrepreneurs seeking to outsource financial tracking while maintaining real-time oversight.
LLC/S-Corp Setup
Streamlined LLC and S-Corp application process with tax benefit analysis. We handle legal requirements while clients complete a simple questionnaire. Services include explaining tax implications of business structures and preparing necessary documentation for filing.
People
Dennis Klippel
Founder
B.S. in Management with 50+ years of tax preparation experience. Founded Double D Tax Services in 1993. Specializes in complex tax scenarios and client education. Enjoys golf and storytelling.
Debbie Klippel
Office Manager
Co-founder and Enrolled Agent managing daily operations. Ensures timely e-filing of returns and supports client scheduling. Provides tax advisory services and oversees service bureaus for other practices.
Blake McClary
Tax Advisor
Enrolled Agent with a B.S. in Communication. Former artillery officer and financial services professional. Specializes in real estate investing and tax knowledge. Handles complex client consultations and strategic planning.
Stacey McClary
Tax Specialist
Enrolled Agent with a B.A. in Communication from Arizona State University. Focuses on family tax returns and client support. Balances work with raising four children while maintaining high client satisfaction.
Laura Patana
Office Coordinator
Joined in 2024 to manage scheduling and office organization. Brings diverse administrative experience to streamline client appointments and internal operations. Primary contact for initial scheduling assistance.
Questions
What tax services do you offer for small businesses?
We provide business tax preparation, payroll reporting, bookkeeping, and entity formation (LLC/S-Corp). Our CoPilot Program offers ongoing financial health consultations and tax liability forecasts.
Can I schedule an appointment outside regular business hours?
Yes, we offer flexible scheduling including evenings and weekends during tax season (Jan 15-April 15). Outside this period, weekday appointments run 9am-3pm MST.
Do you handle out-of-state tax returns?
Yes, we prepare tax returns for clients both within Arizona and out-of-state, leveraging our experience with diverse tax jurisdictions and regulations.
What sets your real estate tax advising apart?
Our combined tax and real estate expertise helps clients optimize deductions during property transactions. We provide strategic advice for purchasing, selling, and investment planning.
How do you support clients after filing their taxes?
We offer year-round tax advising, including audit defense, mid-year strategy sessions, and unlimited phone/email consultations as part of our filing payment.
Reviews (1)
Frederick Lake Ii
Nov 08, 2020 Report
Dennis, Debbie and now Stacy are phenomenal. We have been fortunate as Double D has bee doing our taxes for over 20 years. Their services has also help the growth of our business.