F4 Champions · Season 1
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F4 Champions · Season 1
You're researching investors. We want to see what you're building.
Join the open accelerator where your standing changes with what you ship. Enrollment closes August 2.
7 VC firms investing in hr tech & future of work and climate & clean energy at the Series B stage.
F4 Fund tracks 7 VC firms that actively invest in hr tech & future of work + climate & clean energy at the Series B stage, with check sizes ranging from $100K – $150M (median: $8M – $8M). As of August 2026, and 100% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,556+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ Tola Capital Every industry will be transformed by software. Tola practices hypothesis-based investing targeting the 'enterprise scaffolding' of AI — domain-specific models, AI/ML tooling, AI SaaS applications, AI governance, and AI security — rather than foundational AI infrastructure. They back companies driving long-term, transformational change in large markets. Seattle | $1M – $15M | 52 | Leads | Active | ~1 mo | Open |
| 2 | ▶ Suffolk Technologies The $12 trillion built environment sector is ripe for digital transformation. Suffolk Technologies deploys capital, resources, and networks to help founders scale technologies in construction, architecture, engineering, real estate, and infrastructure. Uniquely positioned as the venture arm of Suffolk Construction, they provide operational test beds, jobsite access, and deep domain expertise that pure financial investors cannot. Boston | $150K – $10M | 59 | Leads | Active | ~2 mo | Open |
| 3 | ▶ Vamos Ventures Invest in visionary founders from Latinx and diverse backgrounds building disruptive tech solutions. Capitalize on demographic trends and founder quality in systematically underestimated segments. Create alpha through early-mover advantage in overlooked founder networks. Los Angeles | $500K – $2.5M | 18 | Leads | Active | ~1 mo | Open |
| 4 | ▶ Acurio Ventures Partner with visionary European founders at seed and Series A, leveraging the team's own operator experience and a network of 150+ international co-investors. Sector agnostic (excluding life sciences and crypto) with ~50 companies per fund. Strong focus on capital efficiency, unit economics, and realistic paths to profitability. Co-investor by default; will lead when it adds value. Bilbao, Spain | $100K – $3M | 95 | Both | Active | N/A | Open |
| 5 | ▶ One Peak We back exceptional founders and management teams building defensible, market-leading software businesses in high-growth categories, sourced in part through our proprietary PULSE data platform, and support them with a dedicated value-creation team. London | $15M – $150M | 23 | Leads | Active | ~1 mo | Open |
| 6 | ▶ SJF Ventures High-growth companies creating a healthier, smarter, and cleaner future; cross-sector impact investing across climate, health, supply chain, education, employment, and government workflows. Durham, NC | $3M – $15M | 15 | Leads | Active | ~1 mo | Open |
| 7 | ▶ Revaia Revaia champions sustainable leaders in technology and innovation, partnering with mission-driven, growth-stage founders who bridge private growth financing through to public markets, with sustainability and governance built into the business rather than bolted on. Paris | $10M – $35M | 15 | Leads | Active | N/A | Req'd |
What other stages do these firms also invest in?
Investors on this page also frequently invest in these sectors
What other sectors do these firms also invest in?
F4 Fund tracks 7 VC firms that actively invest in hr tech & future of work + climate & clean energy at the Series B stage. These firms are ranked using a composite score that weighs data completeness (30%), portfolio depth (30%), investment recency (25%), and stage alignment (15%).
Based on F4's analysis, the median check size for series b hr tech & future of work + climate & clean energy investors is $8M – $8M, with a full range from $100K – $150M. The distribution breaks down as: 2 firms in the $1M-$2M range, 3 firms in the $5M-$10M range, 2 firms in the $10M+ range.
Among the 7 firms tracked, 100% lead or co-lead rounds. Founders seeking a lead investor should filter for firms marked "Leads" or "Both" in the rankings table above. Lead investors typically set deal terms and anchor the round.
The best series b hr tech & future of work + climate & clean energy investors combine domain expertise with an active portfolio in the space. Among these firms, 14% prefer warm introductions, and the average firm has 40 portfolio companies. Look for firms whose check size matches your raise, whose stage preference aligns with yours, and who have a track record of supporting companies in your sector through multiple growth phases.
Firm profiles are continuously updated through F4's research pipeline, which combines LLM-powered web research, portfolio analysis, and transcript extraction. The ranking data refreshes every 12 hours. Editorial analysis is reviewed weekly. Individual firm profiles are re-researched on a 30-day cycle or when new information surfaces.