Private investigations emphasis Phase Four Investigations is a Michigan-based private investigations firm, licensed and insured with over 35 years of combined experience, signaling stability and reliability for security and due diligence engagements in both personal and corporate contexts.

Mid-market focus With 11-50 employees and reported revenue between 1M and 10M, Phase Four sits in the mid-market segment, presenting opportunities for scalable security services, surveillance projects, and evidence-gathering assignments for SMBs and local enterprises.

Security and surveillance leadership The firm markets itself as a leader in private investigations, surveillance, and evidence gathering, suggesting potential upsell to ongoing security assessments, risk audits, and retainer-based investigative support for ongoing client needs.

Technology usage Utilizes a diverse tech stack including tracking and analytics tools, cloud-based security measures, maps, and web infrastructure components, indicating avenues for modernization projects, data analytics partnerships, and enhanced digital security offerings.

Growth opportunities Recent emphasis on ongoing training and specialized teams implies capacity for expanded service lines, cross-sell to adjacent markets (e.g., corporate investigations, background screening, and executive protection), and collaborations with larger investment-backed firms seeking vetted local partners.