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2026 Edition
Energy
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11 firms ranked
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Arntzen Grette
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BAHR
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EY
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KPMG
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PwC
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Selmer
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Thommessen
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DLA Piper
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Deloitte
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Wiersholm
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Tier 3

CMS Kluge
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General corporate tax
Tier 1
20 firms ranked
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Arntzen Grette
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BAHR
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Deloitte
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EY
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PwC
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Thommessen
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Wiersholm
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Tier 2

Advokatfirmaet Bull AS
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Brækhus
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DLA Piper
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KPMG
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Schjødt
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Selmer
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Tier 3

BDO
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CMS Kluge
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Haavind
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Ræder Bing
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Wikborg Rein & Co
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Tier 4

SANDS Advokatfirma DA
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Simonsen Vogt Wiig
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Indirect tax
Tier 1
15 firms ranked
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BAHR
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Brækhus
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Deloitte
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EY
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KPMG
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PwC
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Selmer
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Thommessen
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Tier 2

Arntzen Grette
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BDO
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DLA Piper
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Schjødt
3 practice areas
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Wiersholm
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Tier 3

Advokatfirmaet Bull AS
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Haavind
6 practice areas
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Shipping
Tier 1
10 firms ranked
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Arntzen Grette
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BAHR
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EY
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PwC
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DLA Piper
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Deloitte
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KPMG
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Thommessen
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Wiersholm
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Tier 3

Ræder Bing
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Tax controversy
Tier 2
15 firms ranked
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BAHR
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Selmer
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Thommessen
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Wiersholm
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Tier 2

Advokatfirmaet Bull AS
5 practice areas
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Arntzen Grette
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Brækhus
5 practice areas
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Deloitte
9 practice areas
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EY
9 practice areas
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Haavind
6 practice areas
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KPMG
9 practice areas
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Tier 3

CMS Kluge
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DLA Piper
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PwC
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Ræder Bing
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Transactional tax
Tier 1
15 firms ranked
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Arntzen Grette
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BAHR
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Deloitte
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EY
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PwC
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Selmer
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Thommessen
8 practice areas
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Wiersholm
8 practice areas
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Tier 2

Advokatfirmaet Bull AS
5 practice areas
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DLA Piper
8 practice areas
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Haavind
6 practice areas
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KPMG
9 practice areas
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Ræder Bing
7 practice areas
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Tier 3

BDO
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Brækhus
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Transfer pricing
Tier 1
11 firms ranked
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BAHR
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Deloitte
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EY
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KPMG
9 practice areas
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PwC
9 practice areas
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Thommessen
8 practice areas
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Wiersholm
8 practice areas
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Tier 2

Arntzen Grette
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DLA Piper
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Tier 3

BDO
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Selmer
8 practice areas
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EY
Linked Reviews
Tax

EY is one of Norway’s largest practices with more than 261 practitioners, 27 partners and 83 lawyers. It provides corporate counsel, business tax services, transaction tax, transfer pricing, human capital tax, indirect tax, and VAT compliance. The firm is headed by partner Øystein Arff Gulseth. Partner Gjert Melsom is a renowned blockchain specialist, while partner Maris Leivestad is a renowned transfer pricing specialist.

The firm acted for a food wholesaler in VAT controversy and restructured a maritime company to mitigate capital gains tax risk.

Associate partner Axel Nikolai Naustdal Cooper joined the practice in June 2022. Outgoing associate partners Elin Backer-Grøndah, Sigurd Garmann Tuntland and Anna B. Scapa Passalacqua departed in 2022.

Client feedback

“They are very knowledgeable and good at arguing against the municipality so that we are often successful in our property tax appeals.”

“Pragmatic and hands-on approach to the issues at hand. They are very skilled at breaking down complex issues into easily understandable actions.”

“High on understanding and knowledge. Great design on TP documents.”

“Easy to understand files.”

“Quick feedback, profesionally skilled, broad expertise, solution orientated.”

Tax advisers should revisit India secondment arrangements after the EY US ruling strengthened the Centrica precedent and raised fresh withholding concerns
The ability of tax authorities to receive and analyse data is becoming ‘quite advanced’, warns Stuart Lang, head of EY’s compliance co-sourcing solution
Ethics seems to be playing a subservient role to an entitlement culture borne out of a pervasive ‘revenue at all costs’ mentality at the big four
It continues a prolific spree of investment for the firm, after it launched in Indonesia, Thailand, Saudi Arabia and Japan in 2025
Following Richard Houston’s switch to the newly formed Deloitte EMEA, Graves has the opportunity to bring Deloitte’s tax practice up to speed with its rivals
New reforms represent the most seismic shift in Canadian TP legislation since its enactment and a clear inflection point for MNEs, ITR has heard
As recent surveys suggest a disconnect between AI adoption and employee engagement, the big four risk digging themselves into a strategic hole
Partners are divided on Italy vs PDM D’s analytical depth, evidentiary standards, and what the judgment signals for future intra-group financing cases
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