Small Business Tax & Accounting ServicesGet professional tax preparation, bookkeeping, payroll, and sales tax services—all in one place. Convenient online service, secure document sharing, and reliable support.

I & S Tax Service LLC · Your Partner in Tax, Accounting & Business Support

I & S Tax Service

Full Service Tax & Accounting Firm

Welcome to I & S Tax Service LLC — Your One Stop Shop for Tax Solutions. Are you tired of the hassle and stress of tax season? Look no further. Our experienced tax professionals are here to help with tax preparation, planning, and resolution — for individuals and business owners alike.

Secure file upload portal

Secure File Portal

Upload and share your tax documents safely through our secure client portal. Your files are encrypted and accessible only to you and your tax professional — no more emailing sensitive documents.

  • ✓Bank-level encryption for all uploads
  • ✓Share documents directly with your tax pro
  • ✓Access your files anytime, anywhere
  • ✓Fast, paperless, and stress-free
Upload Files Securely Here
Our team serving the community

22+

Years Serving Our Community

Serving Our Community

Since 2002, we have proudly served individuals, families, and businesses throughout the greater Phoenix area with honest, reliable tax and accounting services.

What We Offer

Our Services

Accuracy | Integrity | Reliability | 22+ Years of Trust
As a full service firm, we offer Income Tax Preparation for individuals and businesses across all states, Accounting & Bookkeeping to keep your finances organized year-round, Payroll Processing including W-2s, 1099s, and federal & state filings, and Business Consulting to help you grow, plan, and succeed.

Income Tax Preparation

Personal, business, and corporate tax returns prepared accurately and on time.

  • Individual & Joint Returns
  • Business & Corporate Returns
  • Prior Year Returns
  • Amended Returns

Accounting

Full-service bookkeeping and accounting to keep your finances organized and compliant.

  • Bookkeeping
  • Financial Statements
  • QuickBooks Setup
  • Accounts Payable & Receivable

Payroll

Reliable payroll processing so you can focus on running your business.

  • Payroll Processing
  • Direct Deposit
  • Payroll Tax Filings
  • W-2 & 1099 Preparation

Business Consulting

Strategic guidance to help your business grow and stay financially healthy.

  • Business Formation
  • Tax Planning
  • Financial Analysis
  • IRS Representation

Why Customers Come Back

"I & S Tax Service has been handling our family's taxes for over a decade. Dr. Alma and her team are professional, thorough, and always available to answer questions. We wouldn't trust anyone else."

Our company is based on the belief that our customers' needs are of the utmost importance. Our entire team is committed to meeting those needs. As a result, a high percentage of our business is from repeat customers and referrals.

Stay Informed on Tax Updates

Subscribe to receive helpful tax tips, deadline reminders, and updates from our team.

23425 N 39th Dr Suite 107, Glendale, AZ 85310
Mon–Fri 9am–5pm · Sat by Appointment
BBB Accredited Business A+Authorized IRS e-file ProviderIRS Registered Tax Return PreparerNATP Member — National Association of Tax Professionals