ACRA Registered CSP
Formally licensed as a Corporate Service Provider by the Accounting and Corporate Regulatory Authority of Singapore, authorizing us to execute BizFile+ filings, secretarial appointments, and nominee services.
ACRA Licensed
Our Practice & People
Accredited Singapore Chartered Accountants & Fiduciary Advisors
Headquartered at International Plaza along Anson Road in Tanjong Pagar—the heart of Singapore's central commercial corridor—OneStop Professional Services delivers institutional governance and double-entry precision to over 500 regional enterprises.
Established 2011
15+ Years of Corporate Regulatory Excellence
OneStop was founded in 2011 as a boutique accounting and corporate advisory practice composed of Chartered Accountants and Certified Public Accountants.
In 2018, the practice completed a comprehensive corporate repositioning and brand consolidation under OneStop Professional Services Pte Ltd. This restructuring integrated our specialized statutory audit, corporate secretarial, tax optimization, and cloud bookkeeping wings into a seamless single-source enterprise.
Today, OneStop is recognized as one of Singapore's fastest-growing corporate services providers, maintaining an audited 5.0-star rating across 141 Google reviews and trusted by regional market leaders across Southeast Asia.
Guiding Principles
Our Corporate Vision, Mission & Values
Unshakeable fiduciary trust, ledger discipline, and institutional precision guide every engagement.
Corporate Vision
"We solve all your onestop corporate services to the highest satisfying professional level."
Corporate Mission
"To be the top of onestop corporate service provider for all businesses operating in Singapore."
Collaboration
Cultivating deep, long-term partnerships with clients, legal associates, and regional business networks.
Technical Mastery
Relentless focus on Singapore corporate law (Companies Act), SFRS accounting standards, and IRAS tax frameworks.
Authoritative Credentials
Institutional Accreditations & Practice Licences
Our firm and senior practitioners are actively accredited with leading statutory bodies and international accounting institutes.
ISCA / ICPAS Accredited
Member firm of the Institute of Singapore Chartered Accountants (ISCA), maintaining adherence to strict Singapore Standards on Auditing (SSA) and professional ethics.
Chartered Accountants
CPA Australia
Certified public accounting credentials delivering recognized cross-border governance and international financial reporting rigor.
CPA Australia
SCTP Accredited Tax Practitioners
Accredited by Singapore Chartered Tax Professionals (formerly SIATP) for corporate income tax, GST compliance, and dispute resolution.
SCTP Accredited
Official Xero Silver Partner
Certified cloud accounting practice with advanced expertise in automated bank reconciliations, multi-currency ledgers, and InvoiceNow e-invoicing.
Xero Silver Champion
ICAEW Authorised Training Employer
Recognized by the Institute of Chartered Accountants in England and Wales to train and nurture the next generation of chartered accountants.
ICAEW ATE
Dedicated Support
Schedule a Consultation at Our Office
Personal Fiduciary Care, Not a Call Center
When you partner with OneStop, you aren't routed through an anonymous ticketing system. You are assigned a named senior corporate advisor who knows your business, your shareholders, and your filing calendar.
Specialists like Xin Rou and Siao are repeatedly recognized in client reviews for their prompt WhatsApp communication, deep domain mastery, and dedication to resolving stressful compliance matters smoothly.
"Greatly appreciate their staff, Xin Rou, she has been very responsive and helpful in guiding us! She always responds promptly to our questions and provides clear and accurate advice whenever needed."
— Ms Zeng, Verified Google Review
Tanjong Pagar Headquarters
Our Office at International Plaza
Centrally located in Singapore's financial district, directly connected to Tanjong Pagar MRT (Exit C).
