MM — Mauricio MidenceMauricio MidenceTax Practice
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    Tax advisor and client reviewing a tax planning strategy on a laptop in a modern officeSmall business owner going over quarterly estimated tax calculations with her accountantFilings and financial documents organized neatly on a desk beside a coffee cup
    Tax advisor and client reviewing a tax planning strategy on a laptop in a modern officeSmall business owner going over quarterly estimated tax calculations with her accountantFilings and financial documents organized neatly on a desk beside a coffee cup

    Tax Planning & Preparation

    Plan ahead. File with confidence.

    Proactive tax strategy and accurate filing that reduces your burden and keeps you ahead of regulatory change.

    Call Us

    Tax Planning & Preparation

    Plan ahead. File with confidence.

    Proactive tax strategy and accurate filing that reduces your burden and keeps you ahead of regulatory change.

    Call Us
    Business & Personal ReturnsProactive Year-Round Planning25+ Years Filing Complex Returns$8M+ Saved Through Planning
    MM Online Tax Services

    What We Handle

    Every form. Every deadline. Every deduction.

    From a straightforward 1040 to a multi-entity consolidated return, we handle the full spectrum of tax preparation and planning.

    Business & Personal Returns

    Accurate, on-time filing for 1040, 1120, 1120S, 1065, and 990 returns. Every number checked, every deduction captured, every deadline met.

    Proactive Tax Planning

    We plan before we file. Year-round strategy sessions that identify savings opportunities, structure transactions, and reduce your effective rate.

    Quarterly Estimated Taxes

    We calculate, track, and remind you of quarterly payments so you never overpay penalties or get surprised at year end.

    Deductions & Credits

    Every legitimate deduction and credit you are entitled to, documented and defensible. We do not leave money on the table.

    Multi-Entity & Complex Returns

    K-1s, multi-state filings, consolidated returns, and intertwined entity structures handled with precision and experience.

    Audit-Ready Filings

    Every return we prepare is built to withstand scrutiny. Clean documentation, defensible positions, and full transparency if the IRS ever asks.

    MM Online Tax Services

    Who We Help

    Built for returns that are not simple.

    Business owners with complex structures, high earners with investment income, and owners thinking about retirement. If your return has layers, we are the firm you want preparing it.

    Business Owners Filing Complex Returns

    S-corps, partnerships, and multi-entity structures where the return is not simple and the savings from planning are real.

    High Earners With Investment Income

    Stock options, RSUs, rental income, and capital gains where proactive planning materially reduces the tax bill.

    Owners Planning for Retirement

    SEP, 401(k), defined benefit, and Roth conversion strategies that lower this year's taxes while building next year's nest egg.

    MM Online Tax Services

    The Planning Process

    A clear path from strategy to filing.

    We plan before we prepare. You see the strategy, the projected liability, and the savings before anything is filed.

    01

    Discovery & Review

    We pull your prior returns, review your books, and understand your full financial picture. You see exactly where you stand and what we can improve.

    02

    Strategy & Projection

    We build a tailored tax plan with projected liability, identified savings, and a clear timeline. You know the number before we file.

    03

    Preparation & Review

    We prepare every form and schedule, walk you through the return line by line, and answer every question before anything is signed.

    04

    Filing & Year-Round Support

    We e-file, confirm acceptance, and stay on call. When the next quarter, the next deal, or the next question comes up, we are here.

    Business owner and tax advisor reviewing a projected tax liability chart together
    MM Online Tax Services

    Outcomes That Matter

    The numbers behind the planning.

    We measure success the way you do, by what you kept, what you saved, and what you never had to worry about.

    $8M+Tax saved through proactive planning
    834Returns prepared for Bay Area clients (4.9 stars)
    25+Years filing complex returns
    100%Returns audit-ready, every time
    MM Online Tax Services

    834 Reviews · 4.9 Stars

    Real returns. Real savings.

    Pulled live from Google and Yelp. These are clients who came to us for tax planning and preparation, not just data entry.

    4.9from 834 verified reviews
    CA
    Caio A.
    Google
    Verified
    Mauricio and the team are the real deal. The team brings a wealth of knowledge with professionalism, charisma, and care. I'm glad I've brought my personal and business taxes and tax planning here.
    KL
    Kim L.
    Yelp
    Verified
    No one likes to do their taxes. Especially if you owe money. I reached out to Mauricio Midence tax preparation services to review my completed return. I had a great experience working with Geovanna an...
    CR
    Cynthia R.
    Google
    Verified
    Went today to file my taxes, I’m a first time home owner and did not know what to expect. Mauricio did an excellent job walking me through the tax filing process being a property owner. He went above...
    JS
    Jhuvie S.
    Google
    Verified
    If you're looking for tax preparation and financial services, I highly recommend Luis. We've been working with him for several years, and he consistently provides professional, reliable service. He al...
    RC
    Roberto C.
    Google
    Verified
    I had a great experience with Mauricio Midence they did an excellent job helping me file my taxes and made sure I got the maximum return possible. I was helped by Luis , and the process was smooth, pr...
    HM
    Humberto M.
    Google
    Verified
    First year doing an itemized tax deduction. A bit intimidating but the Christian was easy to work with and we didn’t feel rushed. Definitely coming back next year.
    VM
    Valerie M.
    Google
    Verified
    This is my second time doing my taxes here and I had another great experience. Alondra is amazing! She took the time to explain everything to me in detail and made the whole process really easy to und...
    JP
    Javier P.
    Google
    Verified
    I just finished filing both my Business and personal taxes with MM Taxes, and the experience was nothing short of amazing, both Christian and Mauricio were great. The entire team is incredibly knowled...
    MM
    Mauricio M.
    Google
    Verified
    I've been coming here for 5 years and I plan to come back. Good service and easy to get your taxes done. Thank you to Luis for helping me file the taxes. I appreciate the service, it was well done and...
    CB
    Ciara B.
    Google
    Verified
    We had an excellent experience with Cristian, our tax accountant this year. he is extremely knowledgeable, organized, and responsive throughout the entire process. he explained everything clearly and...
    MP
    Mary P.
    Yelp
    Verified
    We had an excellent experience working with Alondra and the rest of the staff . They were knowledgeable, patient, and took the time to explain everything clearly. The process was smooth, organized, an...
    AN
    Aaliyah N.
    Yelp
    Verified
    I had a great experience here with Alondra. This is my second year filing taxes with her and she is very kind and helpful . I plan on coming here again next year !
    CA
    Caio A.
    Google
    Verified
    Mauricio and the team are the real deal. The team brings a wealth of knowledge with professionalism, charisma, and care. I'm glad I've brought my personal and business taxes and tax planning here.
    KL
    Kim L.
    Yelp
    Verified
    No one likes to do their taxes. Especially if you owe money. I reached out to Mauricio Midence tax preparation services to review my completed return. I had a great experience working with Geovanna an...
    CR
    Cynthia R.
    Google
    Verified
    Went today to file my taxes, I’m a first time home owner and did not know what to expect. Mauricio did an excellent job walking me through the tax filing process being a property owner. He went above...
    JS
    Jhuvie S.
    Google
    Verified
    If you're looking for tax preparation and financial services, I highly recommend Luis. We've been working with him for several years, and he consistently provides professional, reliable service. He al...
    RC
    Roberto C.
    Google
    Verified
    I had a great experience with Mauricio Midence they did an excellent job helping me file my taxes and made sure I got the maximum return possible. I was helped by Luis , and the process was smooth, pr...
    HM
    Humberto M.
    Google
    Verified
    First year doing an itemized tax deduction. A bit intimidating but the Christian was easy to work with and we didn’t feel rushed. Definitely coming back next year.
    VM
    Valerie M.
    Google
    Verified
    This is my second time doing my taxes here and I had another great experience. Alondra is amazing! She took the time to explain everything to me in detail and made the whole process really easy to und...
    JP
    Javier P.
    Google
    Verified
    I just finished filing both my Business and personal taxes with MM Taxes, and the experience was nothing short of amazing, both Christian and Mauricio were great. The entire team is incredibly knowled...
    MM
    Mauricio M.
    Google
    Verified
    I've been coming here for 5 years and I plan to come back. Good service and easy to get your taxes done. Thank you to Luis for helping me file the taxes. I appreciate the service, it was well done and...
    CB
    Ciara B.
    Google
    Verified
    We had an excellent experience with Cristian, our tax accountant this year. he is extremely knowledgeable, organized, and responsive throughout the entire process. he explained everything clearly and...
    MP
    Mary P.
    Yelp
    Verified
    We had an excellent experience working with Alondra and the rest of the staff . They were knowledgeable, patient, and took the time to explain everything clearly. The process was smooth, organized, an...
    AN
    Aaliyah N.
    Yelp
    Verified
    I had a great experience here with Alondra. This is my second year filing taxes with her and she is very kind and helpful . I plan on coming here again next year !
    RR
    Rafael R.
    Google
    Verified
    I wouldn’t operate three different businesses. I don’t know how I would do it without Mauricio and his team. They helped me with payroll bookkeeping and making sure all my corporate filings are up-to-...
    DC
    Danielle C.
    Google
    Verified
    Jose Delgado, thank you for your patience, expertise, and easygoing professionalism throughout tax season. You made the process feel smooth and reassuring, and your guidance has had a HUGELY meaningfu...
    FL
    Freddy L.
    Google
    Verified
    Christian at Mauricio Midence Tax Preparation provided excellent customer service. He was very informative, patient, and made the entire process smooth and stress-free. Highly recommend!
    SS
    Sophia S.
    Google
    Verified
    Luis was super helpful and knowledgeable with filing our taxes. Would definitely recommend!
    E
    EP
    Google
    Verified
    Mauricio’s tax prep staff are super knowledgeable and work in a time efficient way. They come in with questions to understand your situation and work to get you the most appropriate tax refund.
    RR
    Ricky R
    Google
    Verified
    Cristian L. is the Tax consultant I have used twice to prepare my tax filings and both experiences I had a great overall experience, he was very polite, courteous, and very knowledgeable. He was able...
    JS
    Jorge S.
    Google
    Verified
    I have a general partnership, a C corporation and an S corporation my life couldn’t be more complicated. Can’t be thankful enough for Mauricio.
    T
    Tracy
    Google
    Verified
    Fast, professional and works with you to ensure you get an accurate return.
    IB
    Irma B
    Google
    Verified
    Luis is very detailed- oriented. He asks questions and makes sure that he's got all the tax paperwork to complete the filing. Very efficient. Been coming to Midence for a few years now and will contin...
    WV
    William V.
    Google
    Verified
    Today I went to file my taxes, Christian helped me out with my taxes. I would recommend you guys to ask for him to do your taxes, Great guy. Go to him!
    BJ
    Bianca J.
    Google
    Verified
    Always an amazing time getting our taxes done here. Super fast, super friendly and super accurate tax preparation services. Have been doing our taxes here for years and definitely recommend them! Cris...
    JB
    J B.
    Google
    Verified
    Quick, accurate and always friendly service! Thank you to MM Tax Prep and Team
    RR
    Rafael R.
    Google
    Verified
    I wouldn’t operate three different businesses. I don’t know how I would do it without Mauricio and his team. They helped me with payroll bookkeeping and making sure all my corporate filings are up-to-...
    DC
    Danielle C.
    Google
    Verified
    Jose Delgado, thank you for your patience, expertise, and easygoing professionalism throughout tax season. You made the process feel smooth and reassuring, and your guidance has had a HUGELY meaningfu...
    FL
    Freddy L.
    Google
    Verified
    Christian at Mauricio Midence Tax Preparation provided excellent customer service. He was very informative, patient, and made the entire process smooth and stress-free. Highly recommend!
    SS
    Sophia S.
    Google
    Verified
    Luis was super helpful and knowledgeable with filing our taxes. Would definitely recommend!
    E
    EP
    Google
    Verified
    Mauricio’s tax prep staff are super knowledgeable and work in a time efficient way. They come in with questions to understand your situation and work to get you the most appropriate tax refund.
    RR
    Ricky R
    Google
    Verified
    Cristian L. is the Tax consultant I have used twice to prepare my tax filings and both experiences I had a great overall experience, he was very polite, courteous, and very knowledgeable. He was able...
    JS
    Jorge S.
    Google
    Verified
    I have a general partnership, a C corporation and an S corporation my life couldn’t be more complicated. Can’t be thankful enough for Mauricio.
    T
    Tracy
    Google
    Verified
    Fast, professional and works with you to ensure you get an accurate return.
    IB
    Irma B
    Google
    Verified
    Luis is very detailed- oriented. He asks questions and makes sure that he's got all the tax paperwork to complete the filing. Very efficient. Been coming to Midence for a few years now and will contin...
    WV
    William V.
    Google
    Verified
    Today I went to file my taxes, Christian helped me out with my taxes. I would recommend you guys to ask for him to do your taxes, Great guy. Go to him!
    BJ
    Bianca J.
    Google
    Verified
    Always an amazing time getting our taxes done here. Super fast, super friendly and super accurate tax preparation services. Have been doing our taxes here for years and definitely recommend them! Cris...
    JB
    J B.
    Google
    Verified
    Quick, accurate and always friendly service! Thank you to MM Tax Prep and Team
    Read all 834 reviews
    MM Online Tax Services

    Common Questions

    Straight answers before you file.

    Tax advisor shaking hands with a client after finalizing a tax plan
    MM Online Tax Services logo
    Free Strategy Session

    Let us plan this year's taxes before they happen.

    A 30-minute call with a senior advisor. Tell us your situation and we will show you where the savings are.

    Or call us