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As local and international tax regulations become more prescriptive, dealing with them in a cross-border context presents you with a significant challenge. The number and complexity of tax investigations conducted by authorities is rapidly escalating and the need for tax adjustments is rising accordingly. Our 350 tax lawyers are supported by strong technical tax intelligence teams that identify developments in tax law and policy affecting your business. This multi-disciplinary approach helps you develop robust structures that maximise tax effectiveness in alignment with your commercial strategy.

Whether you are a financial institution, multinational, fund, investor or high net worth individual, we understand your business and the tax pressures you face. Our teams work together across Europe and beyond in the key areas affecting your business including VAT, international taxation, transfer pricing, e-commerce, M&A and investment funds, tax planning and financing. Our experts can help you manage tax control cases and deal with tax authorities as well as manage tax litigation cases. The right tax advice can make a material difference to transaction costs and, in some cases, avert serious consequences.

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"The firm is responsive, practical and takes into account the specifics of our case."

Feedback from a client - Chambers Europe, 2017

"CMS gives high-quality tax advice in relation to mergers, restructurings, transfer pricing, and structured finance. Head of department Olivier Querinjean ‘gets straight to the point’."

Legal 500, 2017
June 2019
CMS Tax Glob­al Bro­chure
19 Mar 19
What about cap­it­al gains on shares after Brexit?
Al­though the UK par­lia­ment ruled against the pos­sib­il­ity of a No-deal Brexit and voted for an ex­ten­sion of the Brexit dead­line, the out­come of the cur­rent UK polit­ic­al con­tro­versy re­mains far from cer­tain. Both busi­nesses and gov­ern­ments in the UK and the EU...
14 Mar 19
What about VAT after Brexit?
Al­though the UK par­lia­ment ruled against the pos­sib­il­ity of a ‘no deal’ Brexit, the out­come of the cur­rent UK polit­ic­al con­tro­versy re­mains un­cer­tain. Both busi­nesses and gov­ern­ments in both Great Bri­tain and EU are pre­par­ing for every even­tu­al­ity, in­clud­ing...

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June 2019
CMS Tax Glob­al Bro­chure
12 Dec 19
Bel­gian le­gis­lat­or ad­opts Act trans­pos­ing Dir­ect­ive 2018/822 on cross-bor­der...
The new Act, ad­op­ted on 10 Decem­ber 2019, trans­poses Dir­ect­ive 2018/822 of 25 May 2018 on man­dat­ory auto­mat­ic ex­change of in­form­a­tion in the field of tax­a­tion in re­la­tion to re­port­able cross-bor­der ar­range­ments...
19/06/2019
European Com­mis­sion study on taxes in the field of...
29 Nov 19
Gibral­tar’s status with­in the EU
AG opin­ion ad­voc­ates strict in­ter­pret­a­tion of EU dir­ect­ive, but con­firms dis­crim­in­at­ory nature of Bul­gari­an le­gis­la­tion con­trary to free­dom of es­tab­lish­ment The opin­ion of Ad­voc­ate Gen­er­al Hogan (the...
11/04/2019
CMS Bel­gi­um as­sisted Trans­port Fer­rovi­aire Hold­ing...
18 Oct 19
Bel­gian Con­sti­tu­tion­al Court an­nuls tax on se­cur­it­ies ac­counts. What...
In a judg­ment rendered on 17 Oc­to­ber 2019, the Bel­gian Con­sti­tu­tion­al Court ruled that the na­tion­al tax on se­cur­it­ies ac­counts is un­con­sti­tu­tion­al and then an­nulled the tax, al­though this an­nul­ment did...
26/10/2018
Oc­to­ber 2018 News­let­ter
19 Aug 19
The ins and outs of Brexit – em­ploy­ment and tax as­pects
As the Brexit pro­cess ap­proaches its ex­ten­ded 31 Oc­to­ber 2019 dead­line, UK and EU com­pan­ies and their em­ploy­ees are fo­cus­ing on the key em­ploy­ment law and tax ques­tions that will shape busi­ness and the...
28/09/2018
Septem­ber 2018 News­let­ter
16 Jul 19
An in­tro­duc­tion to the law of block­chain and dis­trib­uted ledger tech­no­lo­gies...
Data Pro­tec­tion The European Gen­er­al Data Pro­tec­tion Reg­u­la­tion raises at least two is­sues in par­tic­u­lar in this con­text. First: is pseud­onym­ous in­form­a­tion per­son­al data? Second: how can a “right...
CMS Ex­pert Guide to In­ter­na­tion­al Trans­fer Pri­cing...
11 Jul 19
An in­tro­duc­tion to the law of block­chain and dis­trib­uted ledger tech­no­lo­gies...
Rem­ed­ies: In Prin­ciple The ori­gin­al Bit­coin White Pa­per stressed the im­port­ance of trans­ac­tions not be­ing re­vers­ible. Ir­re­vers­ib­il­ity is a func­tion of Bit­coin, de­lib­er­ately de­signed to re­duce trans­ac­tion...