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Trimble & Company is a well-respected accounting firm in Riverside, California with a highly experienced team of Certified Public Accountant (CPAs) and support staff to service clients in tax preparation and strategy, accounting, payroll service, consulting, and more. The firm is built on a solid foundation of ethics, which has enabled the company to establish and maintain long-lasting business relationships with small and large businesses in the Southern California region for over 30 years.Trimble & Company has been providing top-notch business consulting and tax planning services for over 30 years.
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The tax code is complicated and the slightest adjustment could result in you losing tons of thousands of dollars. We make sure that business and personal tax returns are filed correctly. Trimble and company works in connection woth other local CPA firms in order to ensure that any company that is in need of an audit, can get one done locally and at an affordable price.
Reviews (21)
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Homestead I.
May 05, 2020
Are you on vacation for 8 weeks or what? you totally screwed me. jordan is the only one that is trustworthy regards,
Skyler C.
Apr 12, 2019
I found Jordan after I had had several bad experiences with CPAs and he's been over the top excellent. He's efficient, communicative, and always explains things in a way that I can understand. I so appreciate Trimble and specifically Jordan.
Kenny R.
Mar 29, 2019
Called several times, each time I called I was told "Brian" was still accepting new clients and was forwarded to his voicemail where I left messages. I wasted a critical week waiting for him to return those calls and when I called the 3rd time was told by the receptionist if he hasn't called back by now he's probably not accepting any new clients.

I suppose that's one way to do business. Totally unprofessional, I wouldn't recommend them to anyone. If they make mistakes like that then I wouldn't want them handling my finances.
Janet P.
Apr 16, 2018
We have used Jim Trimble, Trimble Accounting for years and wouldn't trust any other firm with our taxes. We have had complex forms for business and rentals and Jim Trimble is the best.
Barry Teats
Jun 04, 2017
Jim and team have always been helpful and accommodating as well as very thorough with doing our taxes. He has given us many tips to save tax dollars. The one word that comes to mind is "integrity" in describing how Jim conducts himself. We have been using Trimble & Co. for over 25 years even though we now live out-of-state.
Tim Pietro
May 12, 2017
I have nothing but praise for Jim Trimble and his staff at Trimble and Company. I started using this firm over 25 years ago, first for my personal taxes, and then, soon after, for all my business accounting needs. Through the years, Trimble and Company have not only provided truly exceptional accounting services, but have also provided an extra personal touch that is so often absent when dealing with larger firms.

They are thorough, yet responsive and timely. And all of this comes at a cost that has always been a true value to my company and my family. It is with great enthusiasm that I give this outstanding accounting firm my highest recommendation. I have referred many friends and business associates thru the years, and they have all been likewise impressed with the services rendered by Trimble and Company.
Komal Badar
Apr 26, 2017
After using multiple CPAs over the years, I am finally happy to have found Trimble & Co. because they actually know what they are doing! We are in the medical industry and they are so knowledgeable about all the tax laws. Customer service is excellent too - Jim and Tracy are wonderful! Don't know what we would do without them. Highly recommend!
Catherine D.
Mar 14, 2017
When our CPA of over 30 years retired we were devastated but received a referral to Jim Trimble from our Financial Advisor. We have been customers for the last several years and so pleased with the service we receive from Jim and Jordan who handles our account. Very professional, and so knowledgeable especially for us as both a business and personal account. I would highly recommend this firm. Catherine and Roy de Quintal
Aaron L.
Mar 09, 2017
I opened a business last year, and Trimble & Co was recommended to me by friends and family. I had never used a tax services before, but thought now might be the right time. Ended up with a substantially better return than the numbers the free guys online created. Easy people to work with, and definitely making my life easier.
Crista C.
Mar 08, 2017
As a former employee, and over 20-year client, I look forward to tax season and working with the team to ensure I don't overpay taxes. I get personal attention, and answers to questions about real estate, retirement, and everything in between. They have the latest technologies and are even able to provide assistant remotely. So that even when I can't come into the office, I still receive the same support. I highly recommend them for personal and business accounting and tax services!
Charles W.
Mar 08, 2017
I was referred to Trimble and Company by a close friend and am very glad he did. I have a small business and always know that Jim and and his staff work very hard to ensure all of my business needs are covered. I trust this company completely and recommend anyone who has accounting needs contact Trimble and Company, you will not be disappointed.
Bill Neelans
Feb 15, 2017
We have used Trimble & Company for many years as well! We feel very confident in having them do our taxes. Questions are answered, suggestions made, and our returns are always completed in a timely and orderly manner. Would highly recommend them to anyone looking for a great company to work with!
Robert Murray
Jan 30, 2017
Jim and his team are fabulous. He has saved me thousands with deductions that were previously missed. Honest, reliable and response are all words to describe Trimble & Company. 10 stars!
Lapis Lazuli
Nov 19, 2016
The accountants at Trimble & Company are great. If you have a small business or just your personal taxes and you want them done by a professional group of accountants, who go over your taxes like they are their own, then Trimble & Company should be your 1st choice. My wife and I worked with Tracy and she taught us the ins and outs of QuickBooks, which helped us keep track of our budgeting.

I would say the thing that separates Trimble & Company from other tax preparers and accountants, besides their thorough knowledge of the latest changes in the tax codes and overall professionalism, is their personal concern for the needs of each client and the importance of having a well prepared tax return.
Annette Guzzetta
Oct 26, 2016
Norm and I have been with Jim 30+ years for personal and business accounts. When asking for information regarding taxes, accounting, ect., he and his staff are always friendly, available and quick to give clear explanations and options. He also gives updates on how his favorite Lakers are doing (poorly) compared to my favorite Celtics. He is a great CPA. We have and continue to refer to his firm.
Mike Griffin
Oct 24, 2016
My parents have used Jim Trimble at Trimble & Company for Tax Prep and Tax advice for over 20 years and he is a very informed professional who has given great advice in doing their yearly tax prep as well answering any questions through out the year on any tax ramifications that might occur. I highly recommend Trimble & Company to anyone business or private looking for a CPA/Tax Prep Company.
Mark Farrell
Apr 29, 2016
I've been using Trimble and Company for years. They're awesome because they have saved me a ton of money compared to my previous tax preparer. They're quick, they help me find deductions, and they keep in good communication so I never have to worry. I would recommend Trimble and Company to everyone.
Garbanzo B.
Mar 22, 2016
Jim is fantastic, I asked a dear friend, whom I trust for a referral to his accountant and thats how I came across Trimble and Company. I met with Jim before giving him my account, and I am glad I did. Professional, fast, and has your best interests in hand!
Grant M.
Mar 11, 2016
I am Sr. Mortgage Planner and worked closely with Trimble & Company to assist our joint client in closing an important mortgage refinance loan. Due to complexities in the loan request and a tough lending environment, it took a village (accounting firm, financial planner, borrowers, title/escrow, lender, and my team) to close this loan transaction.

The top team at Trimble & Company of Jim Trimble (the managing partner), Tracy, and Kenzie were instrumental in the successful closing of the loan. A large amount of tax and business/financial related documentation was required by the lender to qualify the borrowers. I had multiple complex requests of Jim and team. Their client goals are their top priority. Requests were turned around in record time, detailed and accurate, and just what the lender required.

I feel fortunate to have worked with such a professional team focused on client goals. I would highly recommend Jim and team for any tax service, financial advising, or accountant related services.
Katie S.
Jan 22, 2015
Trimble and Company has never disappointed me. A few years ago I decided to try out an actual CPA firm instead of a cheap walk in place that I had been used to going to for years. I came across Trimble And Company and never looked back! The CPA's here really know what they are doing and are some of the most friendly people I've done business with so far!

They helped me understand my tax return instead of just rushing me out the door. If you are looking for a tax firm who cares about it's customers definitely give Trimble And Company a try!
Katie Roberts
Jan 11, 2015
Trimble & Company has always been my go to place to get my taxes done. They are some of the friendliest and most professional CPA's around. They are so good at explaining my tax return and help answer even the simplest of questions. They are very quick and efficient and I never feel as though they are rushing me out the door. If you are looking for a top notch tax firm, then go to Trimble & Company and you won't be disappointed!