Corporation Tax Services Built for Irish Compliance

 

Corporation tax compliance in Ireland is a technically challenging field of practice. Correct preparation of CT1 should involve thorough profit reconciliation, proper treatment of capital allowance, use of losses in the most careful manner, and application of reliefs under Irish Revenue rules. As finance acts change and revenue directions evolve, even more experienced teams are becoming increasingly complex.

In-house CT1 compliance is frequently problematic in Irish accounting firms due to tight filing deadlines, the presence of senior staff in routine calculations, and repeated review cycles brought about by capital allowance or group relief errors. These difficulties increase with the increase in the volume of clients and group structures.

Aone Outsourcing Solutions offers Irish Corporation Tax outsourcing services, which are process-based and inject structure, technical accuracy, and consistency to the preparation of CT1. We are a superb continuation of your tax division—you are sure of bills of corporation tax prepared accurately, reviewed efficiently, and submitted confidentially.

 

What Our Irish Corporation Tax Services Include

 

Profit Before Tax Analysis and Adjustments.

We conduct a systematic investigation of accounting profitability to have a correct computation of taxes.

• Examination of the financial statement and trial balance.
• Determination of non-allowable and deductible expenses.
• Accounting profit, taxable profit reconciliation.
• Accounting complied with revenue expectations.

 

Capital Allowances Review & Optimisation

One of the worst examples of CT risk in Ireland is capital allowance errors. Our department guarantees proper categorisation and claim compliance.

• Recognition of qualifying plant and machinery.
• Correct treatment of 12.5% writing-down allowances vs 100% special rate assets
• Calculations on disposal and balance charges.
• Tracking and supporting resources, then using carry-overs.

 

Trading Loss and Group Relief Computations

We believe in compliant and well-documented utilization of losses in accounting periods and across subsidiaries of the same group.

• Calculations and restrictions of trading losses.
• Loss carry-forward analysis and offset analysis.
• Claimant matching and group relief surrender.
• Protective schedules to CT1 disclosures.

 

Reliefs, Credits and Technical Computations of Tax

We deal with complicated jurisdictions that require skilled tax practitioners.

• Calculations and documentation of R&D tax credit.
• Close the company surcharge inspection.
• Tax information support through deferred tax assets.
• Computations on capital gains and losses are offset.

 

Complete CT1 Preparation & Filing Support

We have them ready-prepared and populated CT1 returns that are ready to be reviewed according to Irish Revenue requirements.

• Specific Form CT1 and schedules completed.
• Separate tax statement(s) of calculation (10+ pages).
• Computation of corporation tax and preliminary tax.
• ROS-receptive e-filing preparation.
• The partner review papers must be clear.

 

Why Irish Accounting Firms Choose Aone for Corporation Tax Outsourcing

The outsourcing of Corporation Tax to Aone is a solution to control quality and visibility without the need to load internal work.

1. Structured CT Workflows: Our Corporation Tax Services adhere to standard processes, and this minimizes variability and enhances uniformity in CT1 returns.
2. Less Compliance Pressure: We assist companies to cope with peak filing without overloading the old personnel and postponing the advisory service.
3. Review-Friendly Documentation: The computations, schedules, and reconciliations are well organized so that the partners can be reviewed faster.
4. White-Label Service Delivery: Any CT work is to be prepared in the firm's name, and it will be confidential and owned by the client.

Scalable Support Model: Our services are easily scaled to volume, complexity, and file season demand.

Revenue-Focused Compliance: Our team focuses on the legislation of the Irish Corporation Tax, the revenue practice, and the updates of the Finance Act.

 

How Our Corporation Tax Outsourcing Process Works

The delivery model is seamlessly incorporated into the Irish accounting firm's work at the time.

• Step 1: Onboarding & Scope Alignment: 

We know your customer base, the complexity of taxes, documentation, and the time of delivery.

• Step 2: Secure Data & System Access: 

Encryption is achieved and is in line with the confidentiality and protection of data.

• Step 3: Computation of Taxes and CT1 Preparation: 

Computations in CT are done in accordance with the Irish tax law and Revenue directions.

• Step 4: Internal Quality Review: 

Systematic internal checks are carried out on every CT1, after which they are shared with you.

• Step 5: Review & Finalization:

The return is reviewed by your team and sent back to you as needed with the feedback and approved to be filed.

• Step 6: Ongoing Support: 

We help with corrections, revenue inquiries, and subsequent filing periods.

 

Tools & Systems We Work With

We integrate with the tools and platforms that are typically utilized by the accounting and tax practices in Ireland. We fit into your current systems to make sure there is no disruption to your working process by our team.

• ROS (Revenue Online Service)
• myAccount
• Excel-based Corporation Tax computation models
• Cloud-based document management systems
• Practice-specific tax and compliance software

Our flexibility ensures secure data handling, consistency in outputs, and efficiency in turnaround.

 

Who We Support

Our Irish corporation tax services are geared towards achieving a broad scope of accounting practices and client profiles.

• Irish accounting and tax practices
• Sole practitioner firms
• Mid-size accounting firms
• Firms handling high-volume CT1 filings
• Practices requiring seasonal or peak-period Corporation Tax support
• Firms managing Irish subsidiaries and group structures