Contact

Direct to the Founder.

Conflict-checked within two business days.

Enquiries are received and responded to by the Founder directly.

All instructions begin with a formal conflict check across active and recently completed matters. Clearance is provided in writing.

No chatbot. No live chat. No newsletter.
Contact Us Hero Banner
CREDENTIAL
Credential Divider
Independent
Transparent
Technically grounded
Fact-driven
Credible
Reliable
Consistent
ENQUIRY  ·  MAKE AN ENQUIRY

Make an Enquiry.

All enquiries are received directly by the Founder.

No intermediaries, no intake teams, no automated routing.

Submissions should describe the nature of the matter and the organisation.

Do not include privileged or confidential matter information until written conflict clearance has been provided.
(Do not include privileged or confidential information until conflict clearance has been provided in writing)
Thank you — your enquiry has been received.

You will receive an acknowledgement from matheson@sentineladvisory.co within one business day. Conflict-check clearance follows separately, typically within two business days. Please do not send privileged or confidential matter information until written conflict clearance has been provided.
Oops! Something went wrong while submitting the form.
SPEAKING & MEDIA  ·  PROFESSIONAL APPEARANCES

Conference panels, keynotes, and practitioner comment.

Speaking and panel enquiries are accepted in writing.
Please include the event name, date, format, audience, and proposed topic.
01
Sentinel does not provide unattributed comment to media.
02
All attributed comment is subject to the Founder's review and written approval before publication.
03
Sentinel does not engage with social media platforms other than LinkedIn.
Conference panels
OFFICE  ·  SINGAPORE

Singapore.

Sentinel is headquartered in Singapore — the primary seat for international arbitration across Asia-Pacific, the domicile of SIAC, and the region's principal centre for infrastructure project finance and legal services.

Office

IOI Central Boulevard Towers
2 Central Boulevard
Level 32

Singapore 018916

Registered office (ACRA)

Sentinel Advisory Pte Ltd
160 Robinson Road, #14-04,
SBF Center

Singapore 068914

Office

Matheson Croyston
Founder & Managing Director
matheson@sentineladvisory.co

Office

Monday – Friday
09:00 – 18:00 SGT (GMT+8)
Tribunal and counsel matters: out-of-hours by arrangement

Languages

English  ·  Working knowledge of Bahasa Indonesia
ACRA registration
Sentinel Advisory Pte Ltd  ·  Singapore
(ACRA)  ·  Incorporated May 2026
GETTING HERE

Sentinel Advisory is located in the financial and legal district of Singapore.

2 min

Marina Bay MRT -  walk

10 min

Maxwell Chambers / SIAC — walk

Immediate Precinct

Major law firm offices

30 min

Changi Airport
LEGAL NOTICE

Legal Notice.

01
Sentinel Advisory Pte Ltd is registered in Singapore (ACRA).
02
Sentinel Disputes is a division of Sentinel Advisory Pte Ltd, not a separate legal entity.
03
Submissions through the contact form do not establish a client relationship and should not contain privileged or confidential matter information until written conflict clearance has been provided by the Founder.
04
Sentinel does not provide legal advice. Advisory and expert witness services are technical in nature.
05
All engagements are subject to Sentinel's standard engagement letter, available on request.
06
No engagement is established without a signed letter of engagement and written conflict clearance.