Collaborative design practices are often marked by conflict, requiring negotiation to resolve them. Negotiation is used as a first attempt in interaction and dispute resolution for decision-making. The diversity of different negotiation styles causes differences of opinion among researchers, so various negotiation styles in design and construction must be studied and researched for successful collaboration. This study used a questionnaire survey method in data collection, resulting in 132 respondents being involved. Data analysis using canonical correlation to measure the relationship between negotiation style (independent variable) and negotiation outcomes (dependent variable) in design and construction collaboration practices. The study found that negotiation style significantly influenced various aspects of negotiation outcomes in the design and construction collaboration stage with a high and significant canonical correlation figure of 0.778. Negotiation styles include problem-solving, conflict escalation, and relationship maintenance, while effective negotiation outcomes can be improved by selecting the right negotiation style strategy, namely collaboration, accommodating, and compromising.