Outsourced Corporate Tax Return Services for CPA Firms
White-label 1120 & 1120S tax return services for S-Corporations and C-Corporations. Offshore team delivers IRS-compliant corporate tax filings and advisory support, seamlessly under your firm’s brand.
80.9%
IRS-compliance accuracy in corporate filings
80-75% faster
cost savings compared to in-house tax prep
80%
Faster turnaround on complex 1120/1120S returns
80/5
Access to senior corporate tax professionals


Outsourced IRS-Compliant Corporate Tax Services
At Globus Finanza, our IRS-compliant corporate tax filing services provided via outsourcing are designed specifically for CPA firms that are attending to the client’s needs of C-Corp and S-Corp with complex issues. We take care of the whole 1120 and 1120S tax process, data intake, preparation, review, compliance checks, and e-filing, without affecting your internal operations or losing your firm’s brand identity.
By means of our tax preparation outsourcing for CPAs, we offer your practice expert-level support without the need to hire additional staff. Our experienced tax professionals become part of your systems and timelines, thus ensuring collaborative work without losing sight or control. Whether it is multi-state corporate tax return preparation, tax planning alignment, or K-1 reconciliation for shareholders, we are here to facilitate your team as a strategic extension.
We realize that tax compliance for S corporations and C corporations goes far beyond mere filing of forms; it is rather a matter of smart planning, proper documentation, and continuous implementation. Thus, 1120 outsourcing services and 1120S outsourcing services represent tasks carried out in full compliance with regulations and capable of adjusting to your changing seasonal or recurring needs.
- Full preparation and e-filing of Form 1120 and 1120S corporate tax returns
- Advisory-led corporate tax reporting aligned with financial statements
- Generation and reconciliation of K-1 forms with partner distribution analysis
- Multi-tier review processes for corporate tax return review and reconciliation
- Native integration with Drake, Lacerte, ProConnect, and UltraTax
- Tailored tax treatment for S-Corp elections, fiscal-year filings, and entity-specific credits
With our virtual tax compliance solutions for corporations, CPA firms gain the confidence to serve larger, more complex clients without compromising accuracy, branding, or client trust.
Confident Corporate Tax Filing, Under Your Name.
Let us shoulder your corporate tax prep so your team can focus on advising. See the difference with a free trial.

End-to-End Corporate Tax Preparation for CPA Firms
For our corporate tax preparation outsourcing for CPAs, we provide institutional-level execution that supports your firm’s tax service delivery. We manage high-volume returns with accuracy for federal 1120/1120S submissions and multi-state coordination while your team focuses on client strategy and advisory.
The company and our group offer an extensive session on financial strategy to recognize growth drivers. Next, according to the evaluations, we build vibrant models that can not only predict results but also simulate different situations, from product development to economic crisis, so that the dashboards, executive commentary, and monthly briefings are generated to energize your team for leading rather than following.
Entity Diagnostic and Data Collection
A custom intake process designed for C-Corp and S-Corp structures, which also includes audits of prior-year returns.
Form 1120/1120S Return Construction
Computer-generated return constructions that comply with GAAP and use tax codes.
Dedications, Credits, and Optimization
Find and validate all eligible tax-saving opportunities that are based on the type of entity.
Multi-State Filing and Amendment Support
State-level compliance with assistance for the apportionment of the taxes, the payment of the franchise taxes, and the filing of the amendments.
E-Filing and IRS/State Confirmation Handling
Prompt delivery, together with instant confirmation tracking and problem solving.
Post-Filing Summaries and Financial Statement Matching
Tax impact analysis with clean summaries for internal use or client delivery.
Secure Documentation and Audit-Ready Archives
Organized return files with encrypted access and full backup for audits

Streamline Complex Filings. Deliver with Confidence
Grow your firm’s corporate tax capacity without hiring more staff or missing compliance windows.


Hire a Corporate Tax Preparer with Globus Finanza
Expertise On Demand. Branded. Scalable.
Boost your tax capabilities with offshore professionals skilled in complex corporate returns. Our corporate tax preparers integrate seamlessly into your staff, ready for seasonal peaks and ongoing engagement.
- Specialists trained in Form 1120 and 1120S compliance
- Full-time, part-time, or seasonal support models
- SOP-driven processes matching your internal standards
- Expert in major tax platforms (UltraTax, ProConnect, Lacerte)
- Branded deliverables, consistent with your client’s experience

Why Choose Globus Finanza for Corporate Tax Outsourcing?
Your clients expect accuracy, tax compliance, and strategic clarity, and that is exactly what we provide. Our corporate tax outsourcing team is like an invisible extension of your firm, offering IRS-compliant corporate tax filing services that are not only timely, branded, and audit-ready but also delivered with care and concern that meet your expectations. With a review-driven approach and end-to-end visibility, we enable CPA firms to outsource 1120 and 1120S tax return services in the USA without taking on extra overhead or risk.
Every engagement is centered around your firm’s operations, be it a single entity, a complicated corporate group, or a seasonal volume spike. We change ourselves to fit into your review processes, make sure that we are consistent with the financial statements and scale on-demand so you will always be ahead of client expectations and deadlines.
- Tax professionals having experience at all levels in the preparation, review, and reconciliation of corporate tax returns for CPAs
- The corporate tax preparation is available for CPA clients under your name through white labeling
- Multi-level review systems are set up according to your firm's QA protocols
- Multi-state corporate tax return preparations with apportionment assistance
- Integration with tax platforms such as UltraTax, Lacerte, ProConnect, and Drake
- Strategic treatment of S Corp elections, fiscal year variations, and tax credits
- Flexible scope, ranging from outsourcing just a single 1120 service to full corporate tax partnerships on an ongoing basis


Smart, Branded Tax Returns Without the Hassle.
Let our team prepare your corporate returns under your name, risk-free trial ready.


How We Deliver the Best Corporate Tax Filing Services
At Globus Finanza, we are a team of people who combine technical accuracy with strategic tax knowledge. Our corporate tax outsourced preparation for the CPAs is designed for speed, accuracy, and scale; developed to comply with the IRS without being in conflict with the financial statements, and still keeping the filing deadlines. No matter if you are filing for an S corporation, C corporation, or a multi-entity structure, we provide you with consistent GAAP-aligned results in your brand.
From the very beginning of data collection, up to the final submission, we are working together with your firm and aligning workflow, calendar, platforms, and review protocols. Conducting this kind of service with us means that you and your clients can do document validation, real-time progress tracking, and post-filing analysis together, so that your clients will get clean and IRS-compliant corporate tax filing services, and your team will be in control and not getting exhausted.
- Customized onboarding and tax calendar mapping
- Standard operating procedure (SOP) driven workflows for 1120 and 1120S tax return outsourcing in the USA
- Safe connection with your tax stack: Drake, ProConnect, UltraTax, Lacerte
- Instant collaboration portals and document tracking
- Support dedicated to multi-state corporate tax return preparation
- Income tax returns matching financial reports for smooth year-end closing
- From the first draft to the final submission




Frequently Asked Questions


We focus on Form 1120 (C Corporations) and Form 1120S (S Corporations) as part of our outsourced corporate tax return preparation for CPAs. Our tax experts see every step through from first intake to e-filing, both federal and state levels. Every return is customized according to your firm's SOPs and branded to boot for a white-label experience.
Yes. We integrate smoothly with software such as ProConnect, UltraTax, Drake, and Lacerte.
Absolutely. We offer multi-state tax filing coordination, including compliance and apportionment for businesses operating within many states. Our staff keeps track of state-specific changes and ensures that each return is up to date with the latest regulations. This is particularly useful for CPA firms with growing or expanding clients.
Every return is reviewed through a multi-level process, including diagnostic tests, credit optimization, and financial statement reconciliation. We specialize in IRS-approved corporate tax filing services, making returns audit-ready and accompanied by supporting records. Accuracy is integrated at each phase of our process.
Yes. Our white-label 1120 outsourcing solutions are completely customizable to your company's branding and client communication protocols.
We provide scalable outsourced tax return processing to meet high-volume requirements without compromising turnaround or accuracy.
Yes. As part of our corporate tax return review and reconciliation services for CPAs, each return is checked for conformity with your client's GAAP-based financials. It is accurate and minimizes audit risk.
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