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Accounting and Tax Advisory Services that Give You Freedom and Peace of Mind

Your business succeeds because of your creative drive and vision as a business owner. Our accounting firm in Boulder is built around entrepreneurial thinking; we’ve helped business owners be their best for more than 20 years. We are a full-service accounting firm dedicated to offering an array of accounting - bookkeeping, payroll, sales tax - and tax preparation & planning services.

  • Over 800 clients
  • Principals have over 50 years of combined accounting experience

Cloud-Based Accounting

Through our Cloud-Based Accounting, we liberate you from the tedious task of running your accounting department—we work as your in-house and external accountant —so you can focus on what truly matters—applying your energy and entrepreneurial vision to growing your businesses. We are your 24/7 Business Advisor and we pay attention to your business year around at a fixed, affordable monthly fee.

Bridging the Gap between technology and accounting.

Our Cloud-Based Accounting model and expert analysis is supported by a powerful system of technology and apps that are easy to use. The simplicity of our accounting solution will give you the ability to manage your business right from the palm of your hand.

Cloud-Based Accounting

Put your focus back on your business by handing your accounting work over to our firm. When you outsource your accounting function to us, you get a team of professionals working for you. We handle your complex tax and accounting work while providing you 24/7 access to your data—and all at a fixed, affordable monthly fee.

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What our clients are saying...

  • "I have worked with ABL&Co. for 3 years now. I could not ask for a better accounting firm. They provide continued support via cloud-based to accounting and video calls, and are flexible and diligent. I joined a new company a year ago and insisted on ABL&Co. be our one-stop-shop for all of the company’s..."
    - R. Schwager
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  • "Brian and his team have been my accountants since 1998. Though I'm across the country from his Boulder, CO based office, his cloud-based accounting services and video calls has made it easy for me to get consistently outstanding service for my business. I really value his team’s...."
    - T. Kish
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  • "I've used Alfonso, Brooks, Lev-Ary & Co. for the past few years and could not be happier. My returns have gotten increasingly complex with property sales, stock buy backs, small business expenses, a partnership and..."
    - J. Waddell
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  • “We’ve been working with Brian Alfonso and his team for more than a decade in a variety of capacities and have always had a very positive experience. I’ve recommended him to countless friends and associates..."
    -D. McDonough
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  • “Brian has been my accountant for over a decade, and although I now live in Texas, I refuse to work with anyone else. Brian is exceptionally adept at making sure that everything is taken care of with my books on..."
    - D. Janjigian
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