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When choosing a CPA firm, it's important to look for one that provides solutions to your business challenges. One that can help you streamline the accounting process to provide timely and accurate financial information. This is critical for making strategic decisions about your business and how you grow and become more profitable.

Strong accounting, ease of operations and accurate information is the foundation, but you also need a CPA who can consult with you on all the other issues that build a successful business model. Cash Flow Forecasting, Strategic Thinking, use of standarized and automated processes throughout your business to ensure consistent, high quality and productive systems, customer experiences and employee processes.
Services
O'Connor CPA Firm, LLC is a full service CPA firm providing tax, accounting and consulting services for businesses and business owners throughout the Denver Metropolitan Area. We are a small, boutique firm by design with all of the experience and expertise of larger firms. Our size allows us to provide attentive service to all of our clients so that we can partner with them in achieving their business and financial goals.
Running a business takes an enormous amount of time and energy. It's not easy keeping up with all the details, so many business owners seek help from O'Connor CPA Firm, LLC, a Denver CPA firm with extensive experience in all facets of business accounting.

Full-charge, turn-key, soup to nuts accounting for your business; We take your accounting and transform it into an automated, streamlined, technology driven process so that you have the right information that is real-time and accurate to make decisions and strategic plans.
QuickBooks accounting software can deliver useful financial information for businesses, but only if the initial set up process is completed correctly. Before you pick out your QuickBooks software or try to set it up yourself, contact O'Connor CPA Firm, LLC. As Denver, CO Certified QuickBooks ProAdvisors(R), we can help assess the financial reporting needs of your business and recommend the appropriate version of QuickBooks software.
O'Connor CPA Firm, LLC provides impactful coaching and consulting as part of our business advisory services. We analyze your business to identify what it does well and focus on what it could do better, with impressive results. Professional athletes have played and trained at a high level in their sport for years and yet, they still have a coach.
From the most routine to the extremely complex, O'Connor CPA Firm, LLC offers a comprehensive menu of services to meet every accounting, tax, and business planning need. No other Denver CPA firm exceeds our expertise or our commitment to providing stellar service to each client.

O'Connor CPA Firm, LLC offers a complete range of bookkeeping and accounting services, including cash flow analysis and management, preparation of financial statements, and budgeting.We are thoroughly qualified to install your QuickBooks software and set up your new system. Then we'll train you and your staff and provide all the ongoing support you need to make the most of your QuickBooks accounting system.
Reviews (14)
Barb Day
Barb Day
Nov 04, 2020
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I have known Tricia for 30+ years now and have worked with her on and off since she first started her Accounting Firm. She is really passionate about helping her business clients build the kind of success they dream of. She is engaging and fun and creative and develops great ideas that are not limited to accounting or tax. She helps you define and design the business and life you really want. She focuses your energy and holds you accountable to the strategies that will help you achieve your big dreams. Focus, Clarity, Inspiration, Motivation is what you will get when you work with her. She helps
Jasper Kuphal
Jasper Kuphal
Sep 25, 2020
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Positive: Professionalism, Quality
Tricia and her team are awesome to work with and are by far some of the most qualified, communicative, and professional CPAs that I have ever met. I am so glad that I found them as they were able to solve all of my tax headaches. Thank you!
Mike Quinlan
Mike Quinlan
Aug 20, 2020
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We hired O'Connor last year after a string of mistakes and vague billing led us to speculate that our previous accountant wasn't giving us the best advice. O'Connor & CO is the best accounting firm that we have ever worked with. They take a very productive goals-based approach to help get you what you want out of your small business. When you hire O'Connor, it's like they are a part of your team and they are with you every step of the way.
Joanne Reilly
Joanne Reilly
Jul 13, 2020
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Great experience! Very knowledgeable. Good communication every step of the way. Would definitely recommend.
S. P.
S. P.
Sep 15, 2019
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We recently opened up a business in Colorado and when it came time to find an accountant, we found O'Connor & CO and we could not be more pleased!! Tricia and her accountant specialist Lorrie have been absolutely fantastic to work with and make everything so easy for us! We would highly recommend them to anyone looking for a great accountant!
Lauren P.
Lauren P.
May 19, 2019
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When I moved from CA to CO, I had to take on the daunting task of replacing my kickbutt business accountant and a bookkeeper that was not doing the greatest job. And let me tell you, the search for a new one in Colorado was not a fun process. Most of the firms I reached out to (1) never responded, (2) were fully booked, or (3) were far from professional. Tricia and her team were a breath of fresh air -- responding to my inquiry quickly, jumping on a call with me right away to learn more about my needs and whether they could meet them, and creating a custom proposal based on what kind of assistance
Billie J.
Billie J.
Jun 29, 2018
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Tricia and her team are awesome to work with and are by far some of the most qualified, communicative, and professional CPAs that I have ever met. I am so glad that I found them as they were able to solve all of my tax headaches. Thank you!
Jason L.
Jason L.
Dec 12, 2017
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I've worked with Tricia since she was in her office space uptown about 10 years ago. Here's what I can say:

1. She knows her stuff. If you have a tricky tax problem, she can help you. I fancy myself "smart" from time to time, and more than once I've researched Tricia's recommendations to make sure I was getting good advice. I've always been happy.

2. Knowledge does not come cheap. If you're looking for some CPA to do some data entry at tax time (basically, following the prompts from some piece of software like the clowns at the mall kiosks), move along
Joanne R.
Joanne R.
Nov 15, 2017
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I have been working with this CPA firm for over ten years and have been extremely satisfied with the level of service and the knowledge of the staff. We have had numerous tax issues that I was not willing to research and attempt to file on my own: opening a business, closing a business, pension income, estate income, 529 plans etc. - they have handled it all! In response to Clay's comment that this firm is too expensive I would reply: you get what you pay for! I have recently been audited and it was very comforting to have the O'Connor CPA firm at my side - and we prevailed - the
Clay D.
Clay D.
Nov 10, 2017
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Very expensive CPA in Denver..$500-plus plus,i was quoted....

I emailed 4 CPA's on yelp,and hired one.......And O'Connor & CO was by far,the most expensive...

$500- Minimum per tax return..No thank you!
Rachael Gass
Rachael Gass
Feb 04, 2017
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I haven't worked with Tricia directly, but the Bookkeeper, Cassie, is excellent. She is very fast and knowledgeable with Quickbooks. We will continue working with the firm in the future.
Chris A.
Chris A.
Sep 29, 2016
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I have been with O'Connor & CO for my personal and business taxes for multiple years. I have found Tricia and Cassie consistently exceed my expectations. They are very detail oriented, knowledgeable and professional.
Carina Smith
Carina Smith
Aug 24, 2016
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After recently moving here from out of state, we were in need of a CPA. Our taxes can be tricky, and needed someone who was savvy enough to handle our special circumstances. Tricia was highly recommended to us by friends, and we are glad to have a relationship with her. She is thorough, thoughtful, quick to respond and incredibly detailed oriented. We are highly satisfied!
Graham Mitchell
Graham Mitchell
Jun 30, 2014
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There is a reason I have been a client of Tricia O'Connor's, both in a personal and corporate capacity for over 20 years .......... she takes the time to understand your business and your personal circumstances and then researches the best solutions for your tax planning in both areas. For all of these 20 years plus, I have been the Controller of a couple of Denver corporations with multi-state operations and have appreciated the personal, informed and very friendly service we have received. My personal tax circumstances are also perhaps somewhat more complex than what might be considered the norm