Corporate Tax ServicesExpertBusinessTaxSolutions
Professional. Strategic. Compliant.
Our comprehensive corporate tax services provide businesses with expert guidance through the complex landscape of federal and state tax compliance. We specialize in maximizing tax efficiency while ensuring full regulatory compliance, helping corporations of all sizes navigate their tax obligations with confidence and precision.
Corporate Tax Forms & Compliance
Understanding and correctly filing corporate tax forms is crucial for maintaining good standing with tax authorities. Our team expertly handles all major corporate tax forms and ensures deadline compliance.
Form 1120 - Corporation Income Tax Return
Standard corporate tax return for C corporations. We prepare comprehensive returns including all schedules and supporting documentation.
Form 1120S - S Corporation Income Tax Return
Specialized return for S corporations with pass-through taxation. Includes Schedule K-1 preparation for shareholders.
Form 1065 - Partnership Return
Partnership tax returns with detailed partner allocation schedules and compliance reporting.
Form 990 - Exempt Organization Return
Tax-exempt organization filings including detailed public disclosure requirements and compliance monitoring.
Form 1041 - Estate & Trust Returns
Fiduciary tax returns for estates and trusts with specialized distribution calculations.
State Corporate Returns
Multi-state corporate tax returns with apportionment calculations and nexus analysis.
Compliance Timeline & Requirements
Staying compliant with corporate tax obligations requires careful attention to deadlines and requirements throughout the tax year.
January 31st
W-2 and 1099 forms must be provided to employees and contractors. Information returns filed with tax authorities.
March 15th
S Corporation (Form 1120S) and Partnership (Form 1065) returns due. Extensions available until September 15th.
April 15th
C Corporation (Form 1120) returns due for calendar year corporations. Extensions available until October 15th.
Quarterly
Estimated tax payments due on 15th of April, June, September, and January for the following year.
Year-Round
Ongoing payroll tax deposits, sales tax remittances, and state filing requirements based on business activities.
Our Comprehensive Services
Beyond basic tax return preparation, we provide strategic tax planning and advisory services designed to minimize your corporate tax burden while maintaining full compliance.
Strategic Tax Planning
We develop customized tax strategies that align with your business goals, including entity selection advice, transaction structuring, and long-term tax optimization planning. Our proactive approach helps identify opportunities for tax savings throughout the year.
Multi-State Tax Compliance
For businesses operating across state lines, we provide comprehensive multi-state tax services including nexus studies, apportionment analysis, and state-specific compliance requirements. We navigate the complex web of varying state tax laws to ensure full compliance.
Tax Controversy & Audit Support
When facing tax audits or disputes, our experienced team provides representation and support throughout the process. We handle correspondence with tax authorities, prepare audit responses, and work to achieve favorable resolutions.
International Tax Compliance
For corporations with international operations, we provide specialized services including transfer pricing studies, foreign tax credit optimization, and compliance with international reporting requirements such as Forms 5471, 8865, and FBAR filings.
Why Choose Our Corporate Tax Services?
With over two decades of experience in corporate taxation, our certified professionals deliver strategic tax planning and preparation services that protect your business interests while optimizing your tax position.
Expert Guidance
Navigate complex federal and state tax compliance with confidence and precision.
Tax Optimization
Maximize tax efficiency while ensuring full regulatory compliance.
Current Regulations
Stay current with ever-changing tax regulations for accurate, timely solutions.
Calculator
See how much you save by choosing ADYZER for your corporate tax needs. Compare costs between in-house staff and ADYZER's dedicated resources, and experience up to 70% savings while ensuring quality services.
Annual Income
$27,500
$100,000
$200,000Bookkeeping
Monthly financial record keeping and reconciliation
$1,200$600
15 hours/month
Tax Preparation
Annual tax returns and quarterly estimates
$2,500$1,200
20 hours/year
Financial Reporting
Detailed monthly/quarterly financial statements
$800$400
10 hours/month
Payroll Processing
Complete payroll management and tax filing
$1,000$500
8 hours/month
Your Potential Savings
Based on 0 selected services
$0
per year