The Essential
Starting at $275
- W-2 income
- Standard-deduction returns
- Single or married filing
- Common personal tax forms
- E-file and final review
Best for straightforward individual returns.
SIMS Tax & Accounting Services
Clear numbers.
Real life.
Approachable tax preparation and flexible accounting support, designed to help individuals, families, and business owners feel informed, organized, and ready.
Neurodivergent-friendlyBuilt for busy livesSe habla españolSupport without judgment
Meet the Founder & Owner
Hi, I’m Sierra.
I created SIMS to make taxes and financial information feel clearer, more personal, and less overwhelming. As a neurodivergent business owner and busy mother, I understand that everyone processes information differently.
That is why SIMS offers straightforward explanations, flexible communication, organized systems, and support without judgment. Whether you are an individual, a parent, a disabled or neurodivergent client, or a small-business owner, you are welcome here.
Clear explanations • Flexible communication • Human support
Packages & Pricing
Choose the support that fits.
Straightforward starting prices and clearly defined services. Your final quote reflects the forms, volume, complexity, and support your situation requires.
Tax Preparation
Professional preparation with an organized process, a careful final review, and explanations you can understand.
The Family
Starting at $325–$375
- Dependents included
- Child-related tax credits
- Childcare-expense forms
- Additional family tax forms as needed
- E-file and final review
For households with children and family-related credits.
Self-Employed
Starting at $475–$600+
- Schedule C business income
- 1099-NEC or 1099-K income
- Business-expense review
- Home office or mileage, if applicable
- E-file and final review
For freelancers, contractors, and business owners.
Tax add-ons
Additional services and pricing
- Extra state return: +$75
- Rental property, Schedule E: +$150–$250 per property
- Prior-year return: starting at $300
- Amended return: $175–$250
- Rush service: custom quote
- Disorganized or catch-up work: custom quote
Complexity-based pricing may apply for investment, itemized, or specialty returns.
Tax-preparation pricing is based on the forms, complexity, condition of records, and scope of work required. Investment, itemized, rental, multistate, and specialty returns may require additional pricing. A final quote is provided after an initial review.
Accounting Services
Organized accounting, reconciliations, and reporting for business owners who want a clearer view of their numbers. Monthly packages are shown below, with quarterly support available by custom quote.
The Essential
Starting at $300/month
- Monthly transaction categorization
- Up to two accounts
- Monthly reconciliations
- Profit-and-loss statement and balance sheet
- Monthly bookkeeping review
Best for simple service-based businesses.
The Growth
Starting at $450–$500/month
- Everything in The Essential
- Up to four accounts
- Higher monthly transaction volume
- Monthly financial reports
- Email support and questions
- Clean, organized books for tax season
For growing businesses ready for more support.
The Professional
Starting at $650–$750/month
- Everything in The Growth
- Up to six accounts
- Higher-complexity bookkeeping
- Priority monthly support
- Monthly review and custom reporting
- More visibility for better business decisions
For established businesses that need more depth.
Accounting add-ons
Additional services and pricing
- QuickBooks or Xero setup: starting at $150
- Cleanup or catch-up work: custom quote
- Sales-tax filing support: starting at $75
- 1099 filing support: starting at $100
- Payroll support: custom quote
- Extra account or higher volume: custom quote
Custom pricing may apply based on complexity and scope.
Accounting pricing may vary based on service frequency, transaction volume, number of accounts, complexity, software, reporting needs, and scope of work. A final quote is provided after reviewing the business’s needs.
The SIMS READY™ Method
Know what comes next.
A simple framework that keeps the important pieces visible without adding more mental clutter.
R
Records
Know what to save and where it belongs.
E
Estimated taxes
Understand what may be due and when.
A
Actions
Get clear, practical next steps.
D
Deadlines
Keep important dates from becoming surprises.
Y
Year-end readiness
Stay organized before tax season arrives.
Designed for real life
A process that works with your brain.
You should not have to process information a certain way to receive professional tax and accounting support. SIMS makes the work clear, flexible, and easier to follow.
Tell us how you work best
No diagnosis or explanation is required. During onboarding, you can tell us what would make the process easier.
One task at a timeThe full checklistWritten remindersVisual instructionsExplain why you need itExtra processing timePlease avoid phone callsSpanish materials
Choose how much you see
Some people want the entire picture. Others need the next step without the extra noise. We can organize communication either way.
Simplified
- What you need to do
- What SIMS is doing
- What happens next
Full detail
- Complete checklist
- Messages and deadlines
- Supporting explanations
Your return should never feel like a mystery.
We keep the process visible and tell you what stage comes next.
Documents received
Missing items
In preparation
Quality review
Ready for signature
E-filed
IRS accepted
Complete
Start where you are
There is no shame in needing a next step.
You do not need perfect records or tax knowledge before contacting SIMS. Tell us what is happening, and we will help you understand what comes next.
No-Shame Catch-Up
Behind on filing, missing documents, mixed business and personal spending, or unopened IRS mail? Start with what you know.
Ask for a catch-up reviewTell Us What Changed
Marriage, divorce, a new baby, a move, a home purchase, gig work, investments, disability benefits, an IRS letter, or a new business can affect your tax picture.
Tell SIMS what changedFirst Tax Return
We will explain the documents, identity checks, signatures, banking details, and filing process without assuming you already know how taxes work.
Start your first returnParents & Caregivers
Get a clearer way to gather childcare, dependent, household, benefits, school, and income information when you are already carrying a lot.
Ask about family supportAccessibility at SIMS
Support without making you ask twice.
Access needs are part of good service. You may request changes to how we communicate or work together without disclosing a diagnosis.
Available communication support
- Written or simplified explanations
- Larger text and lower-clutter materials
- Spanish-language materials
- Visual or step-by-step instructions
- Alternative communication methods
- A trusted support person, with proper authorization
Life happens
If illness, disability, caregiving, hospitalization, family crisis, or executive-function difficulties affect a deadline, contact us. We will explain the options that are still available while keeping tax and filing requirements clear.
Know what is safe to send.Appointment questions and general questions are okay by email. Social Security numbers, identification, W-2s, tax documents, and bank information should only be shared through the secure method SIMS provides to you.
Clear professional boundaries
What you can expect from SIMS.
Warm support and careful compliance belong in the same firm.
SIMS will
- Explain your return and why information is needed
- Ask questions when something does not make sense
- Protect sensitive information
- Give clear next steps and realistic expectations
- Treat questions, missed steps, and messy records without judgment
SIMS will not
- Fabricate income, expenses, or deductions
- Ignore tax-law or due-diligence requirements
- Guarantee a refund or a specific tax outcome
- Ask you to send sensitive tax documents through ordinary email
- Use confusion or pressure to move you forward
Launching in 2027
Stay SIMS READY™
Join the SIMS launch list and be the first to know when we’re officially SIMS READY™ for tax preparation and accounting services.
Join with your email (opens in a new tab)One field. Just enter your email address and you’re done. We will never ask for tax documents or sensitive financial information here.
Now accepting clients
Let’s make the numbers feel lighter.
Tell SIMS what kind of support you need. We’ll review your inquiry and help you understand the right next step.
Email: contact@simstaxaccounting.comPhone: (910) 250-8698
Contact SIMS