Connect With Us

We’re based in central locations in and around Singapore. Meet us at our office at Bukit Merah or we can arrange to meet you at your preferred place.

Call us to arrange a chat. We’d love to hear about your business and how we can build your business together.

We welcome inquiries. Please allow us to get in touch within 2 working days after submitting any inquiries.

Alternatively, you can call +65 6873-2886 or Call/SMS +65 9889-4776 to speak with our friendly  accountant.

O.S.1 Pte. Ltd.
2 Leng Kee Road
#04-09 Thye Hong Centre
Singapore 159086
T +65 6873-2886
M (+65) 9889-4776

[email protected]

Transportation details
Nearest MRT station – Redhill MRT (EW18) Walking is 5 to 7 mins to our office
Nearest Bus Stop – Bus 32, 33, 64, 120, 132, 145 Walking is 5 to 7 mins to our office