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    Offshore 1120 / 1120-S Preparation · CPA-Reviewed · From $119

    Corporate Tax Preparation for U.S. CPA Firms

    Form 1120 and 1120-S returns prepared with the M-1/M-3 reconciliations done and the workpapers documented, all under a CPA's eye.

    "Shareholder K-1s, reconciled and tied out, without a senior losing the weekend to them."

    You will speak with our CPA, not a salesperson. Response within one business day.

    $119
    Starting Per Return
    36–48 hrs
    Typical Turnaround
    5-Stage
    Quality Control
    CPA
    Final Sign-Off
    What We Prepare

    Technical Coverage for Corporate Returns

    Our team is equipped to manage the full technical scope of corporate tax returns.

    • Federal corporate returns with technical accuracy.

      • All income and deductions reported correctly
      • Compliance with current tax law
      • Audit-ready workpaper backup
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    Why Clients Trust Us

    CPA-SupervisedEvery engagement
    97% AccuracyQuality tracked
    36–48 hrs Typical TurnaroundTypical
    Dedicated TeamNot a rotating pool
    100+ ClientsServed
    NDA FirstBefore any data

    Ready to get started?

    Start with a 30-day risk-free pilot. No commitment required.

    Book a Free Call
    Why Firms Choose Us

    Corporate Tax Support Built for CPA Firms

    Scalable C-Corp and S-Corp preparation right in your software, with no drop in quality. Related: partnership returns, trust & estate returns, and sales tax.

    Why firms switch

    Every Schedule, Simple to Complex

    A single-W-2 1040 or a multi-state return for a high-net-worth client. We prepare the whole range.

    A CPA Reviews It Before You Do

    A licensed CPA signs off on every return, which gives your partners back their review hours.

    Pricing You Can Quote From

    Per-return pricing that starts at $119, so you know the cost before we start the work.

    We Already Know Your Software

    Drake, ProConnect, Lacerte, CCH Axcess. We work in your tools, so nobody on your staff has to train us.

    Capacity When April Hits

    High-volume batches come back on schedule, even on the ugliest weekend deadlines of the season.

    Your Client Data Stays Protected

    Signed NDA, encrypted transfer, role-based access.

    How It Works

    Getting Started Is Simple

    From discovery to delivery in a few straightforward steps, with zero risk to your firm.

    1. 01
      Process · 01

      Share Your Requirements

      Tell us what software you run, how much work comes through, and the kind of role you need. A short call covers it, whether you want someone full-time or just a few hours a week.

    2. 02
      Process · 02

      Resource Selection

      We hand-pick 2 to 3 candidates who already fit your stack and send you their profiles. You interview them and choose. Nothing is locked in until you approve the person.

    3. 03
      Process · 03

      NDA & Secure Access

      We sign your NDA before anyone sees a file. Then we set up secure VPN or VDI access, scope permissions to the role, and follow your existing SOPs and tools.

    4. 04
      Process · 04

      Guided Onboarding (Days 3–7)

      In the first week your specialist shadows your process, learns your standards, and runs a trial batch under CPA supervision. They are doing real work by day seven.

    5. 05
      Process · 05

      Steady-State Delivery

      From week two on, your resource handles the day-to-day. Every deliverable passes a 5-stage quality review with a CPA signing off, so the output stays consistent.

    6. 06
      Process · 06

      Peak-Season Scaling

      When busy season hits, we add hours and backup people to your account, then scale back down once it passes. You cover the crunch without hiring or layoffs.

    Software Proficiency

    Working Inside Your Tech Stack, Not Around It.

    Your firm has built its reputation on specific tools and workflows. Our team is experienced in all major U.S. tax, accounting, and practice management platforms, ensuring a zero-learning-curve integration from day one.

    Drake Software tax software logo
    CCH Axcess tax software logo
    Intuit Lacerte tax software logo
    UltraTax CS tax software logo
    Intuit ProConnect tax software logo
    Intuit ProSeries tax software logo
    TurboTax tax software logo
    My Tax Prep Office tax software logo
    OLT Online Taxes tax software logo
    QuickBooks Online accounting software logo
    QuickBooks Desktop accounting software logo
    Xero accounting software logo
    Sage Intacct accounting software logo
    Oracle NetSuite ERP and accounting software logo
    FreshBooks accounting software logo
    TaxDome practice management software logo
    Karbon practice management software logo
    Canopy practice management software logo
    Gusto payroll software logo
    ADP payroll software logo
    Paychex payroll software logo
    QuickBooks Payroll payroll software logo

    Don't see your software? We adapt to your stack.

    Let's Talk
    FAQs

    Questions About Corporate Tax Prep

    Everything you need to know about Form 1120 / 1120-S preparation for your firm.

    Still have questions? Contact us
    CPA Sign-Off
    5-Stage QC
    36–48 hr Turnaround
    From $119

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    Related Services

    Build a complete back-office stack, pair this service with the rest of our CPA-led offerings.

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    Add Tax-Season Capacity Without Hiring for It

    Let our team handle the data entry and first-pass preparation while your CPA does the final review. You get accurate, well-formatted returns on time, and you don't have to bring on a seasonal hire to get them.

    Business and personal returns handled by one team
    A CPA reviews every return before it reaches you
    Most returns back in 36–48 hours
    Client data moves through secure, encrypted portals
    We sign an NDA before we see a single document

    Schedule a Meeting

    Reply within one business day

    10 + 3 = ?

    No commitment. NDA available on request. We never share your data.