MM — Mauricio MidenceMauricio MidenceTax Practice
    Client Portal
    Two Latino business owners reviewing an LLC versus S-corporation comparison chart with a tax advisor in a bright Bay Area officeDiverse Black woman entrepreneur signing corporate formation documents and an operating agreement at a clean deskOverhead close-up of newly filed LLC formation documents, EIN confirmation, and operating agreement on a warm wood desk
    Two Latino business owners reviewing an LLC versus S-corporation comparison chart with a tax advisor in a bright Bay Area officeDiverse Black woman entrepreneur signing corporate formation documents and an operating agreement at a clean deskOverhead close-up of newly filed LLC formation documents, EIN confirmation, and operating agreement on a warm wood desk

    Entity Structuring & Formation

    The right entity
    saves you thousands.

    LLC, S-corp, or holding structure chosen for your real numbers. Formation, documents, and ongoing optimization that keeps your business working for you.

    Call Us

    Entity Structuring & Formation

    The right entity
    saves you thousands.

    LLC, S-corp, or holding structure chosen for your real numbers. Formation, documents, and ongoing optimization that keeps your business working for you.

    Call Us
    LLC, S-Corp & C-CorpFormation & Operating Agreements25+ Years Structuring Entities15.3% SE Tax Savings Possible
    MM Online Tax Services

    What We Handle

    From first formation to full restructuring.

    We handle the full spectrum of entity structuring, from choosing the right entity on day one to restructuring a multi-entity setup years in.

    Entity Selection & Strategy

    Sole proprietor, LLC, S-corp, C-corp, or partnership. We model the tax impact of each option against your income, goals, and growth plans so you choose the structure that keeps the most money in your pocket.

    Formation & Registration

    We handle the formation paperwork end to end, from articles of organization to state registration, EIN application, and initial filings. Your entity is set up correctly the first time.

    Operating Agreements

    Clear, enforceable operating agreements and bylaws that define ownership, profit splits, decision rights, and exit terms. We draft them to protect you before a dispute ever happens.

    S-Corp Election & Optimization

    We evaluate and file the S-corp election that can cut self-employment tax, then set the right reasonable compensation and distribution balance to keep you compliant and efficient.

    Multi-Entity & Holding Structures

    For owners with multiple businesses, real estate, or investment holdings, we design holding company and multi-entity structures that separate liability and optimize tax across the whole picture.

    Restructuring & Conversion

    Already in business but in the wrong entity? We handle conversions, mergers, and restructuring that fix the structure without triggering unnecessary tax or disrupting operations.

    MM Online Tax Services

    Who We Help

    Built for owners whose structure should match their ambition.

    New owners starting from scratch, growing businesses that have outgrown their structure, and multi-business owners who need a coordinated setup. If your entity affects your tax, your liability, or your growth, we can help.

    New Business Owners

    Starting out and unsure whether to be an LLC, an S-corp, or something else. We help you choose the right entity before you file anything, so you start structured for tax efficiency from day one.

    Growing Businesses

    Owners whose income has outgrown their current structure and who need to elect S-corp status, add an entity, or restructure to handle growth, protect assets, and reduce self-employment tax.

    Multi-Business & Asset Owners

    Owners running several businesses or holding real estate who need a coordinated entity structure that isolates liability, simplifies reporting, and optimizes tax across every entity.

    MM Online Tax Services

    The Structuring Process

    A clear path from decision to formation.

    We model your options, design the structure, file everything, and keep it optimized. You know the savings and the fee before we start.

    01

    Entity Assessment

    We review your income, assets, goals, and growth plans. You see exactly how each entity option affects your tax, liability, and compliance so the decision is based on your numbers, not a template.

    02

    Structure Design

    We design the optimal structure, single entity or multi-entity, and document the tax savings, liability protection, and compliance it delivers. You know the plan and the fee before we file anything.

    03

    Formation & Filing

    We file the formation paperwork, obtain your EIN, draft the operating agreement, and handle every state registration. Your entity is established correctly and completely, with nothing left to chance.

    04

    Ongoing Optimization

    Entity structuring is not one-and-done. We review your structure each year as your income, ownership, and goals change, and adjust it so it keeps working for you instead of against you.

    Tax advisor presenting an entity structure decision tree on a whiteboard to two diverse business partners in a bright Bay Area conference room
    MM Online Tax Services

    Outcomes That Matter

    The numbers behind the right structure.

    We measure success the way you do, by tax saved, liability protected, and a structure that still works as your business grows.

    15.3%Self-employment tax saved with proper S-corp election
    500+Entities structured for Bay Area owners (4.9 stars)
    25+Years designing entity structures
    0Formation errors — we file it right the first time
    MM Online Tax Services

    834 Reviews · 4.9 Stars

    Real structures. Real savings.

    Pulled live from Google and Yelp. These are clients who came to us to form or restructure their entity, not just file a return.

    4.9from 834 verified reviews
    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.
    RJ
    Rony J.
    Google
    Verified
    This place is the best. They helped open my corporation. Over the years they have always been so helpful given I was a new small business owner. If you need to open your company you should come and he...
    PF
    Peter F.
    Google
    Verified
    I cant express how happy I am with Maurico and his team he recommended to me last year to open my S-corporate just saved a lot of money on taxes I was a sole prop before now I can't belive the tax sav...
    EH
    Erika B.
    Google
    Verified
    We have been doing our taxes with Mauricio for couple years now and we still received the same great service we did in our first visit. Mauricio is very knowledgeable he is always willing to help with...
    RL
    Rebeca L.
    Google
    Verified
    I love this place just came in and went over all my corporation taxes and my personal taxes Mauricio and his team are amazing
    EC
    Erick C.
    Google
    Verified
    Came with Mauricio to open up my LLC couldn’t be happier with him and his team highly recommend him for all your company needs
    AF
    Antonio F.
    Google
    Verified
    Mauricio is amazing. He helped and guided me in the process of opening and establishing my S corporation for my new HVAC company highly recommend him.
    SP
    Sage P.
    Google
    Verified
    Mauricio set up my llc for buying homes, creative finance/ wholesale, short term rental management, real estate consulting. It was a great experience. Thank you Mauricio.
    SJ
    Sonia J.
    Yelp
    Verified
    I highly recommend Mauricio's services! My partner and I were in need of getting a ein number for his starting up business and Mauricio went the extra mile for us to make sure it happens for us ASAP....
    MP
    Maria P.
    Yelp
    Verified
    Mauricio started helping us last year with our accounting for our S Corporation. He and his team have been professional, attentive, and careful to the small details. Mauricio has taken the time to sha...
    PG
    Perla G.
    Google
    Verified
    Just came in for a review to go over my taxes and opening up a new company. Highly recommend this place.
    VF
    Vaillen F.
    Yelp
    Verified
    Mauricio was great! Needed him to deal with Oakland Tax Officers. Contacted him on a Thursday. Got a quote on Friday. Two weeks later, all paperwork in and done. Highly Recommended
    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.
    RJ
    Rony J.
    Google
    Verified
    This place is the best. They helped open my corporation. Over the years they have always been so helpful given I was a new small business owner. If you need to open your company you should come and he...
    PF
    Peter F.
    Google
    Verified
    I cant express how happy I am with Maurico and his team he recommended to me last year to open my S-corporate just saved a lot of money on taxes I was a sole prop before now I can't belive the tax sav...
    EH
    Erika B.
    Google
    Verified
    We have been doing our taxes with Mauricio for couple years now and we still received the same great service we did in our first visit. Mauricio is very knowledgeable he is always willing to help with...
    RL
    Rebeca L.
    Google
    Verified
    I love this place just came in and went over all my corporation taxes and my personal taxes Mauricio and his team are amazing
    EC
    Erick C.
    Google
    Verified
    Came with Mauricio to open up my LLC couldn’t be happier with him and his team highly recommend him for all your company needs
    AF
    Antonio F.
    Google
    Verified
    Mauricio is amazing. He helped and guided me in the process of opening and establishing my S corporation for my new HVAC company highly recommend him.
    SP
    Sage P.
    Google
    Verified
    Mauricio set up my llc for buying homes, creative finance/ wholesale, short term rental management, real estate consulting. It was a great experience. Thank you Mauricio.
    SJ
    Sonia J.
    Yelp
    Verified
    I highly recommend Mauricio's services! My partner and I were in need of getting a ein number for his starting up business and Mauricio went the extra mile for us to make sure it happens for us ASAP....
    MP
    Maria P.
    Yelp
    Verified
    Mauricio started helping us last year with our accounting for our S Corporation. He and his team have been professional, attentive, and careful to the small details. Mauricio has taken the time to sha...
    PG
    Perla G.
    Google
    Verified
    Just came in for a review to go over my taxes and opening up a new company. Highly recommend this place.
    VF
    Vaillen F.
    Yelp
    Verified
    Mauricio was great! Needed him to deal with Oakland Tax Officers. Contacted him on a Thursday. Got a quote on Friday. Two weeks later, all paperwork in and done. Highly Recommended
    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...
    T
    teresa
    Google
    Verified
    I love this place. My husband and I Came in for a business consultation, and Mari was so knowledgeable. If you have a Business, and you need help setting up your Business whether it’s an LLC corporati...
    NL
    Noah L.
    Google
    Verified
    EASIEST tax filing in my adult life! I did my personal taxes with Luis. He was extremely helpful and informative throughout the process. Mauricio assisted me with the taxes for my S-corp and he made t...
    VB
    Veronica B.
    Google
    Verified
    I have had the pleasure of working with Mauricio Midence Tax Preparation & Financial Services for over 15 years. I’ve entrusted him with all of my personal and business financial needs and am extremel...
    KD
    KanGo D.
    Google
    Verified
    Leave a tip in the dryer. I’ve been using Mauricio in his team for over five years now love this place. They just set up my new S corporation for me couldn’t recommend him.
    EB
    Estela B.
    Google
    Verified
    Vine hoy con Mauricio y necesitaba ayuda con mi nuevo negocio que forme el año pasado. No sólo me ayudó con todos los papeles pero también me ayudó a hacer el pago de mi nueva compañía que es una LLC....
    CH
    Charles H.
    Google
    Verified
    Mauricio is amazing. Our business keeps growing and he is always so helpful. He recommended opening up an S-corp to save on taxes. I can’t thank him enough for all his help through all the years.
    RI
    R
    Google
    Verified
    Mauricio and his team are the best they currently oversee my Payroll, Book Keeping, Tax Preparation and my company formation.
    JF
    John F.
    Yelp
    Verified
    Mauricio and his team have really taken care of us. For the last 10 years we have had a series of bad experiences, many of them as a result of bad recommendations to tax preparers. That is why I am so...
    BD
    Brunieh D.
    Google
    Verified
    I’ve been coming here for years. Geovanna helps me out and she is so amazing. She takes her time and explains this complex tax issues and makes it so much simpler for me to understand.
    CH
    Christine H.
    Yelp
    Verified
    I came to Mauricio after I felt like my last accountant wasn't up to par. Mauricio literally saved the day and was so accommodating to my last minute requests. He did my taxes within 1 day and saved m...
    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.
    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...
    T
    teresa
    Google
    Verified
    I love this place. My husband and I Came in for a business consultation, and Mari was so knowledgeable. If you have a Business, and you need help setting up your Business whether it’s an LLC corporati...
    NL
    Noah L.
    Google
    Verified
    EASIEST tax filing in my adult life! I did my personal taxes with Luis. He was extremely helpful and informative throughout the process. Mauricio assisted me with the taxes for my S-corp and he made t...
    VB
    Veronica B.
    Google
    Verified
    I have had the pleasure of working with Mauricio Midence Tax Preparation & Financial Services for over 15 years. I’ve entrusted him with all of my personal and business financial needs and am extremel...
    KD
    KanGo D.
    Google
    Verified
    Leave a tip in the dryer. I’ve been using Mauricio in his team for over five years now love this place. They just set up my new S corporation for me couldn’t recommend him.
    EB
    Estela B.
    Google
    Verified
    Vine hoy con Mauricio y necesitaba ayuda con mi nuevo negocio que forme el año pasado. No sólo me ayudó con todos los papeles pero también me ayudó a hacer el pago de mi nueva compañía que es una LLC....
    CH
    Charles H.
    Google
    Verified
    Mauricio is amazing. Our business keeps growing and he is always so helpful. He recommended opening up an S-corp to save on taxes. I can’t thank him enough for all his help through all the years.
    RI
    R
    Google
    Verified
    Mauricio and his team are the best they currently oversee my Payroll, Book Keeping, Tax Preparation and my company formation.
    JF
    John F.
    Yelp
    Verified
    Mauricio and his team have really taken care of us. For the last 10 years we have had a series of bad experiences, many of them as a result of bad recommendations to tax preparers. That is why I am so...
    BD
    Brunieh D.
    Google
    Verified
    I’ve been coming here for years. Geovanna helps me out and she is so amazing. She takes her time and explains this complex tax issues and makes it so much simpler for me to understand.
    CH
    Christine H.
    Yelp
    Verified
    I came to Mauricio after I felt like my last accountant wasn't up to par. Mauricio literally saved the day and was so accommodating to my last minute requests. He did my taxes within 1 day and saved m...
    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.
    MM Online Tax Services

    Common Questions

    Straight answers before you form.

    Relieved diverse business owner shaking hands with a tax advisor after completing entity formation paperwork in a sunlit Bay Area office
    MM Online Tax Services logo
    Free Structure Assessment

    Starting or restructuring? Get the structure right first.

    A 30-minute call with a senior advisor. Tell us your business and your goals, and we will show you which entity keeps the most money in your pocket.

    Or call us