The Basics
Starting at $275
- W-2 income
- Standard-deduction returns
- Single or married filing
- Common personal tax forms
- E-file and final review
SIMS Tax & Accounting Services
Clear numbers.
Real life.
Approachable tax preparation and monthly 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
Personal and business tax packages
Professional preparation with an organized process, a careful final review, and explanations you can understand.
The Family
Starting at $325–$375
- Dependents
- Child-related tax credits
- Childcare expense forms
- Family tax forms as needed
- E-file and final review
Self-Employed
Starting at $475–$600+
- Schedule C business income
- 1099-NEC or 1099-K income
- Business-expense review
- Home office or mileage review
- E-file and final review
Tax add-ons
- Additional 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
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.
Monthly Accounting
Clarity that continues all year
Organized monthly records and reporting for business owners who want a clearer view of their numbers.
The Essential
Starting at $300/month
- Monthly transaction categorization
- Up to 2 accounts
- Monthly reconciliations
- Profit and loss and balance sheet
- Monthly bookkeeping review
The Growth
Starting at $450–$500/month
- Everything in The Essential
- Up to 4 accounts
- Higher monthly transaction volume
- Monthly financial reports
- Email support and questions
The Professional
Starting at $650–$750/month
- Everything in The Growth
- Up to 6 accounts
- Higher-complexity bookkeeping
- Priority monthly support
- Custom monthly reporting
Accounting add-ons
- 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
- Additional accounts or volume: custom quote
Monthly pricing may vary based on 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.
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.
Contact SIMS