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Client agreement requirements in Hong Kong

Compiled by the Sitonce editorial team from the HKSI and SFC sources listed belowUpdated 6 min readFacts verified 5 September 2026
The short answer

An SFC-licensed firm must enter a written client agreement before providing services. It must identify the parties, state the firm's licence status and CE number, describe the services and remuneration, and contain a suitability clause plus a statement that nothing else in the agreement derogates from it.

The client agreement heading looks like paperwork. It is really a rule about what a firm is not allowed to promise its way out of, and that is why the paper keeps returning to it.

Source
SFC Code of Conduct
Form
Written, and in place before services are provided
Must identify
Both parties, plus the firm's licence or registration status and CE number
Must contain
A suitability clause and an anti-derogation statement
Related
Risk disclosure statements, in a language the client understands

What must a client agreement contain?

Required contentWhy it is there
Full name and address of the firm and the clientIdentifies who is contracting with whom
The firm's licence or registration status, and its CE numberLets the client verify the firm on the SFC public register
A description of the nature of services to be providedFixes the scope of what the firm has agreed to do
The remuneration payable, and the basis for itPrevents undisclosed charges and surfaces conflicts
A suitability clausePuts the suitability obligation into the contract itself
An anti-derogation statementStops any other clause, or anything said by the firm, undercutting suitability

Learn the last two as a pair. They were introduced together and they only make sense together.

What is the suitability clause, in plain terms?

It is a contractual promise that if the firm solicits the sale of or recommends a financial product to the client, that product will be reasonably suitable for the client having regard to their financial situation, investment experience and investment objectives. In other words, the suitability obligation stops being only a regulatory duty owed to the SFC and becomes a term of the contract owed to the client.

That shift matters commercially. A regulatory breach gets you a disciplinary letter. A breach of contract gets you sued by the client.

Why does the anti-derogation statement exist?

Because of what firms used to do. Before the reform, a client agreement could carry a suitability commitment on page two and a set of disclaimers on page eleven saying the firm gave no advice, made no representation, and that the client relied on their own judgement. Signed at account opening, those clauses were then produced whenever a client complained.

The mandatory statement closes that off. The agreement must say that no other provision of it, and no statement made by the firm, derogates from the suitability clause. So the small print cannot win. A clause purporting to exclude suitability is not merely bad practice, it is ineffective.

How this is examined

Expect a stem quoting a plausible non-reliance or no-advice clause and asking whether it works. It does not. The same answer applies whether the client is sophisticated, whether they signed willingly, and whether they had legal advice.

What about risk disclosure statements?

They travel with the agreement but they are a separate requirement. Risk disclosures must be provided in a language the client understands, and the client must be invited to read them, to ask questions, and to seek independent advice if they wish. Providing an English-only document to a client who reads only Chinese is a defect, however comprehensive the document is.

Note what disclosure does not do. It informs. It does not perform a suitability assessment, and it does not convert a recommendation into an execution-only trade.

When must the agreement be in place?

Before services are provided. Not after the first trade, not at the end of the month. Where the relationship changes materially, the agreement needs to reflect that change rather than sitting unamended for years while the firm quietly adds services.

A worked question

Client agreement example

A client agreement contains the mandatory suitability clause. A later clause states that the client acknowledges that the firm has not advised on the merits of any transaction. The client sues over an unsuitable recommendation. What is the position?

  1. The later clause prevails, because it is more specific than the suitability clause
  2. The later clause is ineffective, because no other provision may derogate from the suitability clause
  3. The later clause prevails if the client is a corporate professional investor
  4. Both clauses are void and the agreement must be re-signed
Answer: B. The agreement must state that no other provision, and no statement made by the firm, derogates from the suitability clause. A non-reliance clause therefore has no effect against it. The rest of the agreement remains valid, so option D is wrong; the professional investor tiers do not rescue the clause either.

How much of this do you need to memorise?

The content list, yes. The exact drafting, no. If you can name the six categories of required content and explain the anti-derogation statement in your own words, you have covered what the syllabus asks. Paragraph numbers are not the point, and I would not spend a minute on them.

Worth conceding: this heading is narrow, and it is tempting to skip it because it feels administrative. Resist that. It is one of the few places in Topic 5 where a question can be answered with total certainty, and certain marks are the ones that carry you over the 70% pass mark. Test yourself against Topic 5 practice questions rather than re-reading the list.

Common questions

When must a client agreement be signed?

Before the firm provides services to the client. A firm cannot trade first and paper the relationship afterwards. Where the scope of the relationship changes materially, the agreement should be updated to reflect it.

What is the anti-derogation statement in a client agreement?

A required statement that no other provision of the agreement, and no statement made by the firm, derogates from the suitability clause. It exists to stop firms disclaiming suitability in the small print, and it makes any such disclaimer ineffective.

Does the client agreement have to state the firm's CE number?

Yes. The agreement must give the firm's full name and address together with its licence or registration status and CE number, so the client can check the firm on the SFC public register before committing.

Are risk disclosure statements part of the client agreement?

They are a related but separate requirement. Risk disclosures must be provided in a language the client understands, and the client must be invited to read them and ask questions. Providing them does not satisfy the suitability obligation.

Can a professional investor agree to a client agreement without a suitability clause?

The waivers available depend on the tier. Institutional professional investors attract the widest set. For individual professional investors, suitability is not waived in the way it is for institutional clients, so a firm cannot assume the clause can simply be dropped.