This article reports on research conducted in New Zealand that deals with early childhood education (ECE) centre working relationships with external organisations, including agencies, social services, and other education providers. The goal of the research was to identify the types of current collaboration, the nature of these relationships, and benefits that are being derived from them. A total of 79 online surveys, supplemented by follow-up interviews, confirmed that ECE centres presently work collaboratively with several external organisations. They include educational providers, social service agencies, health services, and cultural support organisations. However, the nature of these relationships is largely compartmentalised and ad hoc, resulting in the potential for incomplete information sharing, and a lack of consistent, integrated decision making. Truly transformative partnering relationships remain a largely aspirational goal in ECE education. Key impediments include time for relationship building, and insufficient funding. Recommendations for improvement are offered, which are likely to be consistent with the goals of the Ministry of Education's "Early Learning Action Plan 2019-2029."