65 6259 7480

















Ong Swee Keng LLC (OSK LLC) provides notarisation, Apostille, and legalisation services for individuals and businesses in Singapore. To better serve our clients, we offer these services at two locations: our office at Raffles Quay and our branch in Jurong East. Since 2020, our Jurong East office, located in the German Centre, has provided notarisation services within the International Business Park (IBP). This strategic location allows us to assist the business community and residents in the West of Singapore.
Witnessing of signatures / Certification of documents:


OSK LLC facilitates the notarisation, Apostille, and legalisation of documents for use in foreign jurisdictions. We assist individuals and SMEs in ensuring their documents meet the specific requirements of the foreign recipients. From visa applications to property transactions and setting up foreign subsidiaries, we help ensure that your documents are ready for global business.
Conveniently located in West Singapore, our office at the German Centre is easily accessible via public transport or car.
Jurong East Station (EW24 / NS1): Take Exit B (towards International Business Park). Walking: Use the sheltered pedestrian link-bridge/walkway heading toward the IBP. We are approximately a 10-minute walk from the station.
Our office is well-served by several bus routes.
Alight at the German Centre (Stop ID: 28229) or the opposite stop (Stop ID: 20271).
From Jurong East Interchange: 51, 78, 79, 97, 143, 197
Other Connecting Services: 49, 143M, 176, 178, 198, 79T, 868E
From AYE: Take Exit 13. From PIE: Take Exit 30. Parking: Ample parking is available in the basement of the German Centre.
Strictly aligned with the Oaths and Declarations Act 2000, Notaries Public Act 1959, and the Singapore Academy of Law (SAL) fee schedules.
Our administrative fees are competitive. For a clear, no-obligation quote, please contact us with your document details.
To minimise waiting time, all in-person signings and consultations at OSK LLC are by appointment only. This allows us to review your documents in advance and manage your visit with maximum efficiency.
OSK LLC, #04-103H, German Centre, 25 International Business Park Rd, Singapore 609916.
65 6259 7480
enquiries@oskllc.com
Mon–Fri: 9:30 AM – 6:00 PM
(in-person signings are by appointment only)
The distinction usually depends on the nature of the documents and where the final
documents will be used.
Yes. To ensure a Notary Public is available to deal with your documents and to minimise waiting time, OSK LLC operates strictly by appointment. Please call 65 6259 7480 or email enquiries@oskllc.com to schedule your slot.
To ensure a smooth process, please bring:
Most standard appointments are completed within 15 to 30 minutes. Every notarisation will require a further authentication (Apostille) by the Singapore Academy of Law (SAL). We usually need 2-3 working days to complete the entire notarisation, but we do provide a same day service for an additional fee.
Yes. Our office at the German Centre is a convenient 10-minute walk from Jurong East MRT station (Exit B) via a sheltered pedestrian link-bridge. For those driving, we are easily accessible via the AYE and PIE with ample parking available on-site.
Yes. We have experience in the notarisation, Apostille and legalisation of documents destined for Asia (India, China, Philippines, Vietnam, Indonesia) as well as various African countries and beyond.
Statutory Fees: These are fixed by the Oaths and Declarations Act 2000, Notaries Public Act 1959, and the Singapore Academy of Law (SAL) fee schedules.
Service Fees: Our administrative fees are competitive. For a clear, no-obligation quote, please reach out to us with your specific document details.
Please fill out the details below, and our team will get back to you shortly to confirm your slot.
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