1. Craig Upton/Performance Labs

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    Mill Valley, CA

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    Craig Upton/Performance Labs

    5.0 (5 reviews)

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    Frederiksen-Crawford

    Frederiksen-Crawford

    (21 reviews)

    I can not speak highly enough of Chris, Anthony, Norma, Robin...the whole team at…read moreFrederiksen-Crawford CPAs. Frederiksen-Crawford has been doing our taxes for 4 years now and every single year they do a fantastic job leaving us consistently pleasantly surprised at the end of tax season. Our taxes are moderately complicated with some W2 stuff, some self-employment business stuff, rental property, property sales (capital gains), etc. and while some firms I have worked with in the past struggled to get it all correct and submitted on time, Frederiksen-Crawford has been meticulous about getting it all correct, on time every single year. They are professional, informative, easy to work with, diligent, and effective and make what could be a painful tax season feel fair and relatively painless. Thank you Frederiksen-Crawford! We'll see you next year.

    As a fellow financial professional, I've known Chris for over 35 years, and I can assure you that…read morehe and Tara will get the job done correctly, promptly and for the stated upfront fee. Like other high quality professionals, the firm's service structure reflects its commitment to comprehensive care and integration of both financial and tax disciplines, so clients know that their financial matters are intelligently established for their sustainable financial future. Their values and work ethic are further testimony to the team's commitment to excellence and superior client service. This CPA firm is an exemplary choice for discerning clients who appreciate the engagement of a seasoned, sensible professional team who will always maintain the commitment to serving their client's best interests.

    Flex Tax and Consulting Group - Google Highly Rate Veteran Led Business

    Flex Tax and Consulting Group

    (167 reviews)

    North Beach/Telegraph Hill

    Chris at FlexTax has been my tax advisor for about three years now, and I can't recommend him…read morehighly enough. He's incredibly thorough and detail-oriented - he double and even triple checks everything to make sure your return is accurate and that he has all the right information. He's also very responsive and flexible with scheduling, which has made it easy to fit tax meetings around a busy workday. Chris really shines with more complex situations. He specializes in startups and equity compensation (ISOs, RSUs, etc.), as well as investment portfolios, so if you work at a startup or have a more complicated tax situation, you're in great hands. He takes the time to walk through everything, explains complex issues clearly, and makes the whole process feel much less stressful. He goes above and beyond by looking at prior years and making amendments if necessary to put you in a better position for future tax years. I originally started working with Chris based on a friend's recommendation, and after three years as a client, I'm very glad I did. If you're a startup employee or founder, or anyone dealing with equity and investments, I highly recommend Chris at FlexTax.

    This firm went from exceptional to completely unprofessional overnight…read more I stayed with them for years solely because of Sam, who provided outstanding service. After the ownership change, it's clear that level of care is gone. What replaced it is a rigid, impersonal system that treats clients like transactions rather than relationships. They failed to notify clients of a major policy change regarding tax extensions until just days before the deadline--putting me at risk of non-compliance. When I raised concerns, their response was essentially: "This is our policy now, and if you don't like it, go somewhere else." No accountability. No attempt to fix the situation. No access to leadership. Just scripted responses from a support team. For a firm that benefited from years of loyalty and referrals, this is an incredibly poor way to treat clients. Avoid. UPDATE IN RESPONSE TO OWNER : Your response proves my point. After years of automatically handling my extensions, you changed the process right before a deadline, offered no real support, and told me to pay $240 or figure it out myself. Had I not followed up, I could have been penalized -- and now you're trying to turn it around and frame it as my fault by calling me "not engaged." After years of loyalty and referrals, this wasn't a transition -- it was a downgrade to a transactional model.

    Irina Kassil, CPA

    Irina Kassil, CPA

    (15 reviews)

    She's a lifesaver: she's not only an amazing human being, she's a highly skilled CPA. Our doctor…read morefriend recommended her. And she didn't even know she was on yelp. She doesn't take clients unless it's a referral. I think because it's a lot of work and a large commitment. She charges accordingly but in our case that we have many years of back taxes it's worth the money. Peace of mind is priceless... I appreciate that she can handle stress on another super human level. Her mind is sharp, she has a special talent, I believe she was born with a special brain, and has a gift, to crunch numbers, handle red tape, IRS, deadlines and take clients through the daunting road of taxes. Always in a great disposition. She's fearless too. She has no problem going down the rabbit holes and making calls and inquiries. She is an amazing human and a top notch CPA. And someone we can trust with our entire lives on the table. If you have work to do with an accountant you really need to feel heard and be able to trust that person. It's an intimate process. No judgement. You shouldn't ever feel ashamed. We are all human. And taxes aren't something natural to any normal human being. So to find a wonderful person that can make this process smoother. And legally work their magic. It's a blessing. I feel blessed to have been introduce to Irina Kassil.

    Irina was recommended to me by my financial advisor becuase the tax professional I had goofed up my…read moretaxes in a very bad way. The first thing Irina did was spend time talking with me both on the phone and again in person to learn about my tax concerns and issues. And now she's done with my taxes for 2018 and I have been completely impressed. Her pinpoint knowledge of tax law and tax consequences is profound. Her attention to detail is outstanding. She helped get my sole proprietor deductions in line to make an audit less likely. And she managed to work in all my expenditures into my numbers so that I didn't lose a single penny. And her knowledge of COVERED CA is quite strong. Irina is wonderful and I'm relieved & grateful to be her client.

    Craig Upton/Performance Labs - professional - Updated September 2026

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