Helen McDade, a Reform UK Scotland MSP, said other Holyrood parties were being "childish" for excluding her party from cooperation.

The clash highlights a deep ideological divide in the Scottish Parliament, as the newly elected Reform UK bloc finds itself isolated from the established political order in Edinburgh.

Five parties, the SNP, Labour, Conservatives, Liberal Democrats, and Greens, have ruled out cooperating with Reform UK [2]. This collective refusal leaves the party without formal allies in the legislature, despite their recent electoral gains.

McDade urged the leaders of those parties to stop "posturing" [1]. She said that the refusal to engage with her party hinders the function of the parliament and ignores the mandate of the voters who supported Reform UK.

Reform UK currently holds 17 MSPs in the Scottish Parliament [1]. This presence gives the party a significant footprint in Holyrood, yet the coordinated effort by the other five parties to maintain a distance suggests a strategy of containment.

McDade said the current atmosphere is detrimental to the legislative process. The standoff occurs as the new parliament attempts to establish its working relationships and priorities for the upcoming term.

"Stop posturing."

The isolation of Reform UK by five different political factions indicates a rare level of consensus among opposing parties in Holyrood. By treating the 17-member bloc as a political pariah, the established parties are attempting to limit Reform UK's influence on policy and legislative agenda, effectively creating a 'cordon sanitaire' around the party's platform.