Virtual Accounting & Bookkeeping

Trusted and
Reliable

Accounting Services

We are the premier virtual accounting firm for service-based businesses. We provide reliable and high-quality accounting services across the nation.

Ready to Simplify Your Accounting?

Let us handle the numbers so you can focus on what you do best. Get clear, simple accounting tailored to your business.

Accounting Built for Contractors & Service Pros

We are a virtual accounting firm from Arizona that proudly serves clients across the country. We specialize in helping subcontractors and contractors stay organized, compliant and profitable. We're your dependable back-office support, whether you're at a job site or managing a crew.

Specializing in construction and service industries.
Reliable, virtual service with no downtime.
Over 15 years of hands-on bookkeeping experience.

15+

Years of Experience

Mel Zimmerman, Founder

Our Accounting Services

We provide a complete suite of accounting services tailored for contractors and service-based businesses.

Full-Service Bookkeeping

We handle all your day-to-day financial record-keeping, from A/P and A/R to reconciliations.

Accounts Payable/Receivable
Bank Reconciliations
Monthly Bookkeeping

Job Costing & Reporting

Get clear insights into your profitability with detailed job costing and financial reports.

Job Costing Reports
Budget Tracking
Custom Financial Statements

Payroll & Compliance

We manage your payroll, workers' comp reporting, and sales tax filings to keep you compliant.

Payroll Processing
Workers' Comp Reporting
Sales Tax Filings

Contractor-Specific Services

Specialized support for the construction industry, including pay applications and lien waivers.

Pay Application Management
Lien Waiver Tracking
Vendor Communication

Software & Systems

We can help implement and manage accounting software to improve your efficiency.

Software Implementation
Process Optimization
Data Management

Tax-Ready Financials

We prepare clean, accurate books and prepare your 1099s, making tax time a breeze for your CPA.

CPA-Ready Books
Contractor 1099 Prep
Annual Audit Support

What Makes Us Different?

We're not here to impress you with buzzwords or old-school vibes. We're here to get stuff done and make your life easier.

Your Reliable Partner

No sick days, no call-offs, no office drama. We are your steady, always-on accounting partner, here to get it done.

Industry Expertise

With over 15 years of experience, we specialize in construction and service-based businesses, a solution to your unique needs.

Transparent & Focused

We provide clear, simple accounting with transparent pricing, so you can focus on your craft, not your books.

What Our Customers Say

Take a look at the feedback from satisfied customers.

Sarah K.
Phoenix, AZ
Zimmermann & White has been a game-changer for my contracting business. Their team is always responsive, and they handle all my bookkeeping with incredible attention to detail. I finally have peace of mind knowing my finances are in expert hands.
August 2024
Mike R.
Scottsdale, AZ
As a small business owner, I was drowning in paperwork. Z&W streamlined everything from payroll to job costing. Their reports are clear and have helped me make smarter business decisions. Highly recommend their services!
July 2024
Jessica L.
Tucson, AZ
The virtual service is incredibly convenient. I can be at a job site and know that my back office is completely taken care of. Their expertise in the construction industry is evident in everything they do. Truly a 5-star partner.
June 2024
David C.
Mesa, AZ
From lien waivers to vendor communication, they handle it all. It's like having a full-time office manager without the overhead. The team is professional, friendly, and genuinely invested in my success.
May 2024
Sarah K.
Phoenix, AZ
Zimmermann & White has been a game-changer for my contracting business. Their team is always responsive, and they handle all my bookkeeping with incredible attention to detail. I finally have peace of mind knowing my finances are in expert hands.
August 2024
Mike R.
Scottsdale, AZ
As a small business owner, I was drowning in paperwork. Z&W streamlined everything from payroll to job costing. Their reports are clear and have helped me make smarter business decisions. Highly recommend their services!
July 2024
Jessica L.
Tucson, AZ
The virtual service is incredibly convenient. I can be at a job site and know that my back office is completely taken care of. Their expertise in the construction industry is evident in everything they do. Truly a 5-star partner.
June 2024
David C.
Mesa, AZ
From lien waivers to vendor communication, they handle it all. It's like having a full-time office manager without the overhead. The team is professional, friendly, and genuinely invested in my success.
May 2024