(Reuters) - Britain's decision to force out the chair of its antitrust regulator after he failed to prioritise the Labour government's growth agenda indicates the country's attempt to rein in Big Tech could be over.

Marcus Bokkerink was replaced at the Competition and Markets Authority (CMA) late on Tuesday by Amazon's former boss in Britain, Doug Gurr.

Here is the list of some high-profile cases under review by the UK's CMA.

Case title Case stage CMA remarks Deadline

Probe into Launched strategic To assess Google's position in search, search advertising services Oct. 13, 2025

Google's market status

general designation probe

search,

search ad

services

Mobile Set for publication of CMA said some inherent aspects of the supply of mobile browsers are contributing to March 16,

browsers final report for case competition issues, and revenue sharing arrangement between Apple and Google is likely to 2025

and cloud involving Meta, reduce competition

gaming Alphabet, Apple, BT,

Vodafone, among others

Probe into CMA in talks  with Accepts company's  commitments including proposals to remove third-party cookies from Chrome

Google's Google on changes to browser

"Privacy commitments

Sandbox"

browser

changes

Probe into Receipt of written and Google harmed competition by using its dominance in online display advertising to favour its

suspected oral representations on own ad tech services

anti-compe the statement of

titive objections

conduct by

Google in

ad tech

IBM's $6.4 Phase 1 Investigating potential competition concerns involved in the anticipated $6.4 bln acquisition Feb. 25, 2025

bln by IBM of HashiCorp

acquisitio

n of

HashiCorp

Synopsys' CMA to consider CMA believes it might accept remedies offered by parties including the divestment of some

$35 bln undertakings offered businesses, if it were to clear Ansys' $35 bln purchase by Synopsys

purchase

of

Synopsys

ForFarmers Phase 2 CMA is undertaking its in-depth phase 2 probe under the revised processes for such May 13, 2025

/Boparan investigations, after initial probe found the potential joint venture between ForFarmers and

joint Boparan could lead to competition concerns

venture

Global Interim report Provisionally found competition concerns as part of in-depth probe into Global Business March 9, 2025

Business published Travel's $570 mln deal to buy CWT Holdings

Travel's

$570 mln

deal to

buy CWT

Holdings

Keysight's Phase 1 CMA is considering whether Keysight's $1.5 bln acquisition of Spirent would result in March 13,

$1.5 bln substantial lessening of competition 2025

acquisitio

n of

Spirent

Blackrock' Merger inquiry launched CMA has not yet launched its formal probe after considering whether Blackrock's $3.2 bln Feb. 12, 2025

s $3.2 bln acquisition of UK data group Preqin could raise competition issues, and have invited initial

acquisitio views from parties involved

n of

Preqin

Schlumberg Invited comments as CMA has not yet launched its formal probe into Schlumberger's $8 bln purchase of ChampionX,

er's part of information but has issued preliminary invitation to comment after seeing potential competition concerns

(SLB's) $8 gathering process

bln

purchase

of

ChampionX

(Compiled by Aby Jose Koilparambil and Dhanush Vignesh Babu in Bengaluru; Editing by Shounak Dasgupta)