
FieldFlo, a Denver, Colorado–based provider of project and safety management software for specialty subcontractors, has raised a $35 million growth investment.
Investors
The round was led by Mainsail Partners, a growth equity firm focused on vertical SaaS businesses. The firm invests in bootstrapped B2B software companies, helping them scale into market leaders. Its hands-on support and best practices are delivered through a collaborative approach that respects founder-led cultures and helps build on each company’s commitment to its people and customers. Mainsail has raised nearly $4 billion and invested in over 100 companies across more than 22 years, operating from offices in Austin and San Francisco.
FieldFlo Use of Funds
The company will use the funds to accelerate product innovation, enhance its safety and compliance solutions, and expand operations across North America.
About FieldFlo
FieldFlo provides project and safety management software designed specifically for specialty subcontractors in high-risk industries. Its cloud-based platform simplifies project management, safety, and compliance workflows from time tracking and certifications to incident reporting and inventory management. FieldFlo’s mobile-first design empowers both field and office teams to work efficiently while maintaining compliance with OSHA, EPA, and state-level safety regulations. Headquartered in Denver, Colorado, FieldFlo’s mission is to make life easier for subcontractors by eliminating inefficiencies that slow down projects and increase risk.
Funding Details
Company: FieldFlo
Raised: $35.0M
Round: Growth Investment
Funding Date: October 2025
Lead Investor: Mainsail Partners
Additional Investors:
Company Website: https://fieldflo.com/
Software Category: Construction Tech / Project & Safety Management Software
Source: https://www.businesswire.com/news/home/20251024275593/en/