US Tax Return Preparation
Accurate preparation of individual and business tax returns with strict adherence to IRS regulations — reviewed by experienced CPAs before submission.
Find Out More
Optimus Tax & Accounting
Scale
Beyond
Borders
Scale
Beyond
Borders
with
Trusted
U.S.
& Canada
Experts.
At Optimus Tax & Accounting, we bridge borders with expertise — offering specialized U.S. and Canadian tax compliance, advisory, and bookkeeping solutions tailored for a global economy. Operated under the leadership of a U.S.-licensed CPA, we bring deep technical expertise and global tax precision to every engagement.
Credibility you can trust. Compliance you can rely on.
Built around a CPA-led practice and disciplined offshore execution — every engagement is structured for accuracy, security, and on-time delivery.
- US-focused tax and accounting specialists.
- CPA-reviewed workflows for every filing.
- Integrated bookkeeping & tax preparation advantage delivered under most competitive pricing in industry — without compromising quality.
- Transparent, flexible pricing structure and a simple client onboarding process customised to client requirements.
- Secure systems aligned with US compliance standards.
- Experienced team supporting individuals and businesses nationwide.
How can we help you?
From individual filings to full-cycle bookkeeping — every service is delivered under structured, CPA-reviewed workflows designed for accuracy at scale.
CPA-Reviewed Filings
Every return goes through a structured CPA review process to ensure accuracy, compliance, and risk mitigation.
Offshore Bookkeeping
Services
Reliable, scaleable bookkeeping support for growing businesses. Monthly reconciliations, reporting, and compliance-ready records — without the overhead.
Find Out MoreYour data. Fully protected. Always confidential.
At Optimus Tax & Accounting LLP, client data security is our top priority. We follow strict internal controls, secure systems, and confidentiality protocols to ensure all financial and tax data remains protected at every stage.
- Secure file-sharing & access controls
- Encrypted data storage & transmission
- Dedicated systems for each client
- Strict employee NDAs & access restrictions
- Compliance-driven security practices
Our CPA-Reviewed Process
Expert-built. CPA-verified. Client-trusted.
Structured Data Collection
We gather financial and tax data using secure, standardized workflows.
Expert Preparation
Experienced tax professionals prepare your filings with IRS compliance in mind.
CPA Review & Validation
Every return is reviewed by qualified CPAs for accuracy, completeness, and risk mitigation.
Built for accuracy. Designed for US compliance.
Every engagement follows a structured, CPA-reviewed process to ensure precision, consistency, and regulatory alignment. Our secure systems and experienced professionals support individuals and businesses across the US with confidence.
Accuracy
Compliance
Security
Expertise
Trust
Aarthi Ravikumar
Owner / PartnerAarthi Ravikumar is a Licensed US CPA with over 5 years of hands-on experience across the full U.S. tax lifecycle, covering tax accounting, tax compliance, tax audits, and advisory services.
Senthil Kumar Ravisekar
Owner / PartnerSenthil Kumar Ravisekar is a seasoned entrepreneur and business leader with over 19 years of diversified business experience, spanning Financial Controller and leadership roles.
Is Optimus the right partner for your firm?
Not every firm benefits from an offshore team — and that's okay. We're the right fit if your firm:
Talk to Our Team- Is growing fast and needs reliable capacity — without burning out your team.
- Values accuracy, compliance, and on-time delivery above everything.
- Handles high-volume tax seasons and needs a trusted overflow partner.
- Serves complex clients — multi-state, cross-border, trusts, or business entities.
- Needs crypto, real estate, or non-profit bookkeeping expertise on demand.