How to Find a Trustworthy M&A Advisor in Thailand

Thai SEC approval of a financial advisor matters only when a listed company is on one side of the deal. The Office of the SEC approves financial advisors and publishes the list of approved firms, and an independent financial advisor is required to give an opinion when a SET-listed company does a connected transaction, a material acquisition or disposal of assets, or receives a tender offer. If you own a private Thai company limited and you are selling shares to a trade buyer or a fund, none of that applies. Your advisor needs no approval from anyone, and the SEC list is a filter that tells you almost nothing about them. What does tell you something: the firm's own filings on the Department of Business Development's public database, three sellers who completed deals with them, and where the money sits in the engagement letter.

The SEC list is also misleading if you treat it as a shortlist. The firms on it are built for listed-company work: fairness opinions, IPO filings, shareholder circulars. That is a different job from finding a Japanese or Singaporean acquirer for a Bangkok logistics business at THB 400 million, running fifteen buyers against one another and keeping your drivers from hearing about it. Some firms do both. Plenty on the list have never run a private sale, and plenty that run private sales well are not on it because they never needed to be.

Does an M&A advisor in Thailand need a licence?

Not for private deals. Thai private company transactions run on the Civil and Commercial Code, and, as Tilleke & Gibbins puts it, a share acquisition in a private company "can be executed by the selling shareholders through a simple share transfer instrument". Listed companies pick up the Securities and Exchange Act, SEC and Capital Market Supervisory Board rules and the SET rules on top, and those are what pull in an approved financial advisor. The SEC and the Capital Market Supervisory Board finalised revised material transaction and connected transaction rules in December 2025 with effect from July 2026, so an advisor describing listed-side requirements should be citing the current version.

For the unregulated side, the only third-party credential in general use across the region is voluntary accreditation. The Asia Corporate Finance Institute (ACFI) accredits corporate finance firms across Asia-Pacific and publishes a directory; Nobridge is one of the accredited firms on it. Accreditation means a body outside the firm has looked at how it runs a mandate. That is a place to start and nothing more.

How do you check an advisor when the deals are all private?

Thailand's company registry is unusually generous, and most sellers never open it.

1. Look the advisory firm up on DBD DataWarehouse. The Department of Business Development, part of the Ministry of Commerce, runs DBD DataWarehouse+, where you can search a juristic person and see its registered capital, business type, shareholder information and filed financial statements. Read the advisory firm's own accounts. A firm claiming a dozen completed mid-market mandates a year with THB 2 million of annual revenue has a story that does not close.
2. Check the directors and the registered capital. The same search shows who the authorised directors are and when the company was registered. Match that against the people in your meetings and against the number of years they say they have been doing this.
3. Ask for three sellers who completed, then call them. Completed, not signed a letter of intent. Same size band, within three years. Ask each one what the first offer was, what the final price was, and what the advisor did in between. That question separates process managers from introducers.
4. Trace the buyers. Listed acquirers in Thailand, Japan and Singapore announce acquisitions and file them. If an advisor names a deal, find the buyer's announcement and then ask that buyer's corporate development team who ran the sell side.

Three Thailand-specific competence tests

Nominee structures. This is the one that matters most and the one where bad advice is still common. Section 36 of the Foreign Business Act B.E. 2542 makes it an offence for a Thai national or juristic person to hold shares on behalf of a foreigner so that the foreigner can operate a restricted business, with imprisonment of up to three years, a fine of THB 100,000 to THB 1,000,000, or both, and the court may order the arrangement terminated. Enforcement has tightened twice inside a year. Order No. 2/2568 brought in three months of bank statements for each Thai shareholder at incorporation from 1 January 2026, and Order No. 2/2569, issued by the Central Partnership and Company Registration Office on 14 July 2026, replaced it and Order No. 1/2569 from 1 August 2026 and extended the same evidence to amendment filings. Where a foreigner subscribes for less than half the registered capital, or the register is entirely Thai but a foreigner signs for the company, the registrar now wants a letter tabulating what each Thai shareholder paid, from which account and on what date, with the statements behind it. If a buyer's advisor proposes a Thai nominee as the answer to a foreign ownership restriction, the arrangement now leaves a documented paper trail. A Foreign Business Licence, a BOI promotion, a Treaty of Amity company or a restructured deal are what a competent advisor raises first.

Merger filing. Thailand has a two-tier regime under the Trade Competition Act. A merger creating a monopoly or a dominant business operator needs prior approval from the Trade Competition Commission, where dominance means a market share above 50% with at least THB 1 billion of turnover in the previous year, or being one of the top three with a combined share above 75% while holding at least 10% yourself. Everything else that substantially lessens competition and involves turnover of THB 1 billion or more must be reported within seven days of the merger. Seven days is short, and an advisor who has not planned for it will be scrambling in the week you are meant to be handing over.

Confidentiality when the buyer is listed. A SET-listed acquirer discloses on its own timetable. Ask when the buyer becomes obliged to announce, whether an independent financial advisor opinion is needed on its side, and how the sequence keeps your staff from learning about the sale from a market announcement. A firm that has sold to a listed buyer answers in specifics.

What to ask in the first meeting, and the red flags

Ask who does the work after you sign and how many other mandates that person carries. Ask how many sell-side processes the firm started in the last two years and how many closed. Ask what the anonymous teaser says about your business, which of your competitors they would approach and when, and what happens to the fee if the buyer walks away in diligence. Judge the answers on whether they contain numbers and names.

• Paid mostly upfront. An advisor whose income does not depend on completion has no financial reason to push a hard deal over the line in month ten.
• "We already have a buyer." Sometimes true, and still the wrong way to sell, because one bidder sets the price. A properly run process engages 50 to 150 potential buyers to produce five to ten serious bidders.
• A valuation at the first meeting. Offered before anyone has normalised the accounts or looked at customer concentration, it is a pitch, and it becomes the anchor you spend nine months being talked down from.
• No NDA discipline. Ask to see a redacted teaser. If it names your province, your two largest customers and your exact revenue, it names you.
• A buyer list that is never written down. Withholding names early is correct. Refusing to schedule them in writing even after you sign is how a tail clause turns into a fee on a buyer nobody contacted.

How should the fees be structured?

No survey of Thai advisory fees is published, so nobody can honestly quote you a local market rate. The closest reference is Firmex's M&A Fee Guide, 2023-24 US edition, published in July 2024 from the 189 United States respondents to a December 2023 survey of 456 middle-market advisors in 40 countries: average success fees of about 6.3% on a USD 5 million deal, 3.9% at USD 20 million and 2.0% at USD 100 million, with two-thirds of advisors charging a monthly work fee of USD 5,000 to USD 10,000. Those figures are United States practice. The structure carries across better than the percentages do.

Term	What to expect	Where to push
Retainer	Monthly, or milestone payments tied to the information memorandum and the letter of intent	Credit it against the success fee. In the Firmex survey 54% of firms credit engagement fees
Success fee	The bulk of the economics, payable on completion	The minimum fee, which three-quarters of firms impose, and whether the rate declines as price rises
Exclusivity	Nine to twelve months	Termination on notice, plus a carve-out for buyers you introduce
Tail period	Twelve to twenty-four months after termination	Limit it to a written schedule of buyers actually approached during the mandate
Expenses	Travel, data room, third-party reports	A cap above which you approve in writing. In the same survey 43% of advisors charge no expenses at all

Two terms deserve more attention than they get. The minimum success fee, on a small deal, can turn a headline 3% into an effective 8%. The tail, drafted loosely, entitles the advisor to a full fee on any sale for two years after you part ways; ask for the buyer schedule in writing and ask what it looks like if you terminate in month four. Nobridge charges on a success-fee basis, with the bulk payable only on completion and a monthly retainer on paid plans, and those are the right two questions to put to us as well. Our piece on whether mid-market advisors are worth their fees sets out the case from the other side.

Advisor, broker, or marketplace?

A listing marketplace sells visibility and you keep the work: confidentiality, negotiation, structure. A broker sells an introduction and takes a commission when it converts. An advisor sells the process, which is preparation, a targeted buyer list, competing bids and someone in the room when the buyer's counsel proposes an earnout worth 30% of consideration in month seven. Earnouts commonly run 10% to 40% of consideration, and careful handling of earnout, escrow and working-capital terms adds 5% to 15% to seller proceeds. Nobridge runs advisory mandates and also operates an Open Deals Platform of pre-screened opportunities. How Thai mid-market deals actually get done is covered in our guide to M&A advisors in Thailand.

What to do from where you are standing

• Two years out. Appoint nobody. Spend the time on financial statements that match what the DBD holds, personal expenses out of the company, customer contracts in the company's name, and a second person who can run the business without you. On the figures we publish, six to eighteen months of that work lifts exit valuations 20% to 40%.
• Six to twelve months out. Interview three firms inside a fortnight, put the same questions to each, and read the engagement letters side by side. Ask each for the logic of its buyer list before you ask for a price. A mid-market sale runs six to twelve months from launch to close, so start the interviews earlier than feels necessary.
• Already approached by a buyer. A single unsolicited bidder has every reason to keep the process bilateral and to ask for exclusivity early. Get an independent read before you sign anything, including non-binding heads of terms. Our guides to what buyers look for in due diligence and why deals fall apart describe what the next six months hold.

If you want a view on the market before appointing anyone, start a confidential, no-obligation conversation about what your business looks like to a buyer.

Frequently Asked Questions

Does a Thai M&A advisor need SEC approval?

Only for listed-company work. The Office of the SEC approves financial advisors and publishes the list, and an independent financial advisor opinion is required for a SET-listed company's connected transactions, material acquisitions and disposals, and tender offers. A private company share sale carries no such requirement, so the advisor you hire to sell a family business is unsupervised and the vetting falls to you.

How do I check a Thai advisory firm before hiring it?

Search the firm on DBD DataWarehouse+ at datawarehouse.dbd.go.th. It shows registration date, registered capital, authorised directors, shareholder information and filed financial statements. Compare the filed revenue against the volume of deals the firm claims, and confirm that the people in your meetings are the registered directors.

Is a nominee shareholder ever an acceptable answer for a foreign buyer?

No. Section 36 of the Foreign Business Act carries up to three years' imprisonment and a fine of THB 100,000 to THB 1,000,000 for holding shares on a foreigner's behalf to evade the restrictions, and the DBD has been tightening documentary checks: under Order No. 2/2569, in force since 1 August 2026, an incorporation or amendment involving foreign participation needs a letter accounting for each Thai shareholder's payment plus three months of that shareholder's bank statements. A Foreign Business Licence, BOI promotion, a Treaty of Amity company or a restructured deal are the legitimate routes.

Do I have to file my sale with the Trade Competition Commission?

Only above the thresholds. Prior approval is needed where the merger creates a monopoly or a dominant operator, and a post-merger report is due within seven days where turnover of THB 1 billion or more is involved and competition is substantially lessened. Most mid-market deals fall below that, but confirm it with counsel rather than relying on an advisor's assurance, because the reporting window is only a week.