The Legal 500

Tax boutique LawAlliance Limited remains the go-to firm in Thailand for all contentious and non-contentious tax issues. Piphob Veraphong acts on matters ranging from corporate income tax to international tax planning. Thanasak Chanyapoon is also highly recommended.

Baker & McKenzie's large team acts for an impressive roster of national and international clients. Kitipong Urapeepatanapong leads the team, and advised Thai Airways on tax planning and structuring matters relating to its financing of 13 aircraft and acquisition of 37 aircraft. Pornapa Thaicharoen is also recommended. Chinawat Assavapokee handles tax litigation cases, and in 2012 successfully represented Nike Thailand in the Supreme Court in a dispute with the Customs Department over trade mark royalty payments. Other clients include Minebea (Thailand), Macquarie Securities Group, PTT Global Chemical and Bangkok Airways.

Tilleke & Gibbins advises on corporate tax, excise tax, and tax planning matters. Sriwan Puapondh advised Fujitsu affiliate Transtron (Thailand) on Thai tax issues, and also advised Hutchinson Technology Operations (Thailand) on tax implications relating to the tax agreement between Thailand and the US. The firm continues to assist Petronas Group (Thailand) on transfer pricing, income tax and VAT matters, and also acts for General Motors (Thailand).

Bangkok International Associates has experience advising foreign companies on tax issues related to inbound investment.

Chandler & Thong-ek Law Offices Limited's experience in energy and infrastructure projects places the firm in a strong position to assist in all manner of related tax issues. Representative clients include KrisEnergy and Tana Oil & Gas Group.

Lorenz & Partners provides a separate tax and accountancy service alongside its legal services. The firm provides tax planning and counselling advice to foreign clients (particularly from Europe), and also advises on international and domestic tax law, including German law.

Siam Premier's tax team provides key support to the firm's M&A and banking and finance groups. In 2011 it assisted Fisher & Paykel Appliances on a stamp duty matter. Tawee Khositjiranun is the key contact.

The Legists Ltd advises inbound investors on tax planning, tax auditing, immigration, project financing and technology transfers. It also assists on transfer pricing, tax elements of M&A, and foreign tax credit issues.

Dej-Udom & Associates Ltd regularly assists foreign banks on the tax implications of cross-border transactions. The firm also advises on personal tax, corporate tax and VAT.

International Legal Counsellors Thailand has experience in tax planning, income tax, VAT, customs and excise matters and stamp duty, as well as in tax litigation.

Rödl & Partner's expertise spans indirect tax and compliance matters to M&A, transfer pricing and tax due diligence. The firm also acts for foreign clients on their investments in Thailand.

The group at Siam City Law Offices Limited (SCL) provides tax support to the firm's corporate team. Picharn Sukparangsee has experience in M&A, tax litigation, and in creating tax-efficient structures for clients.