Peacock Sinning Public Relations

Based in Mission Viejo, California, Peacock Sinning Public Relations (PSPR) serves clients across the United States from its headquarters in Orange County. Founded in 2017, the firm operates at the intersection of public relations, community outreach, and creative development, with a particular focus on infrastructure and construction projects. The agency’s location in Mission Viejo places it within a region known for complex transportation and environmental initiatives, giving it a natural vantage point for serving public agencies and private developers alike.

Core Services and Specialties

Peacock Sinning Public Relations offers a full suite of public relations and communications services, with a strong emphasis on public involvement and community outreach. The firm is especially active in sectors such as transportation, water, energy, and wastewater, where it helps clients navigate the often-sensitive process of engaging with stakeholders and the public. Key capabilities include messaging strategy, crisis communications, branding, and storytelling. The agency also provides creative development and graphic design, producing websites and other visual materials that support broader communications campaigns. The principals—Sarah Peacock, Michelle Sinning, and Creative Director Eric Carlisle—bring over 25 years of experience each, with backgrounds that include senior roles at large PR and advertising agencies in California and the Midwest, as well as public affairs management for state-level Departments of Transportation.

• Public meetings and public involvement facilitation
• Messaging and positioning strategy
• Construction outreach and community engagement
• Crisis communications
• Branding and storytelling
• Environmental outreach for natural resources projects
• Creative development and graphic design
• Website development and digital communications

Industry Focus and Client Experience

Peacock Sinning Public Relations concentrates on industries where public perception and regulatory approval are critical. The firm’s work in construction outreach, energy, water, transportation, and environmental outreach reflects a deep understanding of the challenges faced by infrastructure projects. The agency’s team has hands-on experience managing public affairs for major transportation agencies, giving it practical knowledge of how to build trust and maintain transparency during large-scale initiatives. This background makes PSPR particularly adept at handling the communication needs of projects that require extensive public meetings, environmental impact assessments, and ongoing stakeholder dialogue. The firm also serves clients in the information technology and services sector, applying its communications expertise to technology-related public relations challenges.

Approach and Expertise

The agency’s approach is grounded in the combined experience of its leadership. With roots in both public affairs and private-sector advertising, the team at Peacock Sinning Public Relations brings a pragmatic, results-oriented perspective to each engagement. The firm emphasizes the importance of clear, consistent messaging, whether for a crisis situation or a long-term branding initiative. Its expertise in storytelling helps clients humanize complex projects, making them more accessible to the general public. The creative development and graphic design capabilities allow PSPR to produce polished, professional materials that reinforce core messages across multiple channels. This integrated approach—combining strategic communications with creative execution—distinguishes the agency in the competitive Southern California market.

Peacock Sinning Public Relations is a strong fit for public agencies, engineering firms, construction companies, and private developers involved in infrastructure and environmental projects. The firm is particularly well-suited for organizations that need to manage public involvement, navigate regulatory hurdles, or communicate effectively about complex topics like wastewater treatment, energy development, or transportation upgrades. With its headquarters in Mission Viejo, United States, the agency is positioned to serve clients throughout California and beyond, offering a blend of local market knowledge and broad industry experience. For teams seeking a partner with a proven track record in community outreach and strategic communications, Peacock Sinning Public Relations provides a reliable, experienced option.