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TAX SERVICES IN SINGAPORE

Maximise Your Business Growth with Expert Tax Solutions

Avoid paying fines, enjoy more incentives, and rest easy with an audit‑ready tax strategy. Pay less by filing on time and avoiding a deadline slip‑up.

Avoid costly IRAS penalties and interest charges by outsourcing tax services

Pay less tax legally with claims and exemptions

Be audit‑ready all year with transfer pricing and voluntary disclosure

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Google Reviews | Corporate Tax, GST, IRAS Compliance

The Importance of Tax Expertise for Business Growth

Strong tax management plays an important role in supporting long-term business success. With the right professional guidance, companies can stay compliant with Singapore tax regulations, reduce unnecessary tax exposure, improve cash flow planning, and make smarter financial decisions that support sustainable growth.

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Ensure Full IRAS Tax Compliance

Meet all IRAS filing deadlines accurately and on time

File tax accurately, with valid supporting documentation

Prevent late filing and reporting errors penalties

Keep up-to-date with Singapore tax laws

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Reduce Risks with Strategic Tax Planning

Reduce tax risks through proactive tax strategies

Identify available exemptions, reliefs, and deductions

Enhance cash flow through accurate tax estimates

Prevent costly issues with early tax guidance

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Access Full-Spectrum Tax Support

Get full business and personal tax advice

Support for corporate tax, GST and filings

Customised solutions for your business needs

One stop for tax guidance and planning

Our Accounting Services

SMEs, start-ups and expanding businesses in Singapore rely on our accounting services to provide them with end-to-end financial management, which includes bookkeeping, financial reporting, GST filing and corporate tax compliance. We make sure that your accounts are in compliance with Singapore Financial Reporting Standards (SFRS) and the requirements of the IRAS and ACRA.

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Corporate Income Tax Filing

Ensure compliance with Singapore corporate tax filing and requirements through planning and timely returns filing.

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ECI filing support – Submit Estimated Chargeable Income within deadlines

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Annual tax returns – Preparation of Form C, Form C-S, or Form C-S Lite

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Tax computations – Accurate calculations based on your financial records

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Deduction review – Identify allowable business expenses and claims

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Deadline management – Avoid penalties from late or incorrect filing

Tax Advisory & Planning

Tax planning allows businesses to minimise tax liabilities while still remaining compliant. We assist businesses to make tax-efficient financial decisions.

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Tax exemption planning – Maximise startup and partial exemption schemes

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Deduction opportunities – Identify eligible claims and allowances

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Cash flow planning – Forecast tax liabilities in advance

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Business structuring – Improve tax efficiency for growth plans

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Ongoing advisory – Practical guidance for better decisions

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GST Registration & Compliance

We help businesses manage Goods and Services Tax obligations efficiently and accurately.

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GST registration – Assistance with compulsory or voluntary registration

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Quarterly GST filing – Prepare and submit GST returns on time

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Input tax review – Ensure eligible claims are properly recorded

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GST compliance checks – Reduce risk of filing errors or omissions

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IRAS support – Assistance with GST queries and notices

Personal Tax Services

We also assist individuals with personal tax filing and related matters in Singapore.

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Income tax filing – Accurate annual tax return preparation

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Relief claims review – Identify eligible personal tax reliefs

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Expat tax support – Guidance for foreign employees and residents

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Tax residency matters – Assistance with residency-related queries

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Efficient submissions – Save time and avoid filing mistakes

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Why Choose One Tax for Tax Services in Singapore?

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Efficient and Hassle-Free Tax Setup

We make tax setup in Singapore easy with a seamless onboarding process, providing quick setup and execution, precise documentation and compliance with all current IRAS tax regulations.

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Comprehensive Tax Support Services

Our experts offer holistic tax services in Singapore, including filing personal tax returns, corporate tax, GST, and cross-border tax requirements for businesses of all sizes.

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Maximise Singapore’s Tax Incentives

Take advantage of tax exemptions, rebates and deductions, including startup tax exemptions and deductible claims to increase cash flow and boost business growth.

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Expert Compliance and Advisory Guidance

We help businesses navigate IRAS compliance, reduce tax risks, and implement practical tax planning strategies for better stability in business.

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Customised Solutions for Your Business

Our Singapore tax solutions are tailored to your business industry, company structure, operational needs, and long-term financial goals for better efficiency.

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Ongoing Tax Filing and Audit Support

Stay compliant with regular tax filing services, audit support and timely advisories on Singapore tax laws and tax reporting changes.

How to Easily Secure Tax Services with One Tax

Tax support should be hassle-free. Our approach simplifies the process for businesses and individuals to access trusted tax support in Singapore, remain compliant with IRAS, and get timely advice as you need it.

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Consultation

We begin with a consultation to understand your tax compliance and corporate planning needs.

 

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Select the Right Tax Services

Choose from individual returns, corporate tax planning, or custom packages based on business size.

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Submit Financial Documents

Send us your reports—we’ll handle tax computation and IRAS filing with full regulatory compliance.

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Filing & Submission to Authorities

We prepare and submit all tax documents to IRAS, ensuring timely and accurate submissions.

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Year-Round Advisory & Support

We monitor tax regulation changes to help avoid penalties and optimize your tax strategy continually.

We Handle the Paperwork,
You Build the Business

From company incorporation to accounting, tax, and work pass applications, One Tax CM ensures everything runs smoothly. Focus on what matters, we’ll handle the rest.

Engage Us
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Who We Help

One Tax Supports Local and Foreign
Business Owners

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Local Directors or Shareholders

We offer tailored tax services in Singapore to help locals stay compliant with IRAS regulations.

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Foreign Directors or Corporate Shareholders

We simplify international tax compliance and deliver expert corporate tax planning for global efficiency.

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Company Profile

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Download Our
Company Profile

Enter your email to receive all the details about One Tax CM


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    TESTIMONIAL

    How Our Clients Experience One Tax

    jing wei from one tax cm profile image
    5 stars
    "Exceptional accounting services, attentive support, and budget-friendly software solutions for lasting results." I have been using their accounting and secretarial services since 2014 and not only they have been top-notch, their team is accommodating, patient and gives good advice on maintaining proper accounting records. One Tax has also provided my firm with cost-effective accounting software solutions which helps me solve my accounting woes for the long haul.

    — Jing Wei s

    john and cassie from one tax cm team photo
    5 stars
    "Expert accounting services, responsive team, and tailored solutions for SMEs." We have never been let down or kept waiting for an answer. As an SME, we feel we are in good hands with One Tax CM, who thoroughly understand our complex business structure and requirements, keep us up to date with Singapore’s tax regulations and have helped us with forward planning.

    — John & Cassie

    photo of wiliam from one tax
    5 stars
    "Reliable accounting services, supportive team, and efficient business solutions for entrepreneurs." Lancaster provided a legitimate avenue for me to leave my 9 to 5 job and start my own business. The opening of bank account, EP application, accounting and taxation were well handled through this team. I am now my own boss and I have a team to thank for assisting me on that journey. Trustworthy, reliable, and responsive; I have since recommended him to many of my peers who wanted to pursue their own business as well.

    — William Ng

    photo of mick spier from one tax
    5 stars
    "Professional accounting services, responsive support, and tailored business solutions for optimal results." If anyone is looking for a corporate service provider to incorporate a company in Singapore, you must talk to the team at One Tax CM. I Spoke with Multiple organizations but none of that compared to the amazing support and responsiveness of Lancaster and his team. The truly understand is what required and have a great “can do” attitude to helping you setup your business optimally.

    — Mick Spiers

    photo of sandy tan from one tax
    5 stars
    "Efficient accounting services, proactive support, and customized solutions to meet business needs." Having multiple engagements with One Tax CM, they impressed me by their speed and quality of service. Their handling of the company incorporation and corporate account opening were seamless. They are always so helpful to share their professional advice and I certainly have no qualms recommending them to my..

    — Sandy Tan

    Tax Services in Singapore Tailored for Your Business Growth

    Managing taxes in Singapore can be overwhelming for business owners. From IRAS compliance to strategic tax planning, navigating the regulatory landscape requires expertise. At One Tax CM, we offer professional tax services in Singapore designed to help you stay compliant, reduce liabilities, and focus on business growth.

    Why You Need Tax Services in Singapore for Compliance & Growth

    Singapore’s fast-evolving tax environment requires businesses to stay updated and compliant with IRAS and ACRA standards. Missing deadlines or inaccurate filings can result in costly penalties. Our tax experts help you avoid these pitfalls while identifying tax-saving opportunities that allow you to reinvest confidently.

    – Personalized Tax Solutions: Tailored strategies based on your business structure and industry.
    – Regulatory Expertise: Our team is well-versed in IRAS rules, GST, corporate and personal tax regulations.
    – Timely & Accurate Filings: Avoid late penalties with on-time submissions and transparent reporting.

    1. Corporate Tax Services

    – Filing & Compliance: We handle tax filings to meet IRAS requirements while optimizing your tax liability.
    – Tax Planning: Strategic guidance aligned with your business goals for long-term savings.
    – Audit Support: Assistance in tax audits and dispute resolution with authorities.

    2. GST Services

    – Registration & Filing: We ensure your business registers and files GST accurately and on time.
    – GST Advisory: Insights into GST impact and efficient structuring for compliance.

    3. Personal Tax Services

    – Individual Filing: Services for locals, business owners, and expatriates to ensure compliance.
    – Tax Planning: Personalized strategies to manage cross-border and local income obligations efficiently.

    1. Regulatory Compliance

    We proactively monitor changes in tax regulations and update your strategies to meet all IRAS standards.

    2. Risk Mitigation

    Our team reviews filings and calculations in detail to prevent errors and minimize audit risks.

    3. End-to-End Service Delivery

    From corporate tax to international filing, we offer a comprehensive solution tailored to your business model.

    4. On-Time Submissions

    We prioritize early filing and accurate reporting, providing regular updates on your tax status.

    – Assured Compliance: Expert knowledge of IRAS standards ensures your business remains fully compliant.
    – Tax Savings: Access incentives, tax relief, and deductions to lower your tax liability.
    – Peace of Mind: We handle the entire tax process so you can focus on growing your business.

    Take the stress out of tax management by partnering with One Tax CM. From GST support to corporate tax planning, we’ve got you covered.

    Steps to get started:
    1. Click “Add to Quote” on our website.
    2. Fill in your details.
    3. We’ll contact you to confirm requirements.
    4. Let us handle the rest—accurately and efficiently.

    Contact us today for a free consultation and let our expert team optimize your tax strategy.