The agencies below were selected because they have publicly verifiable experience working with climate-tech, renewable energy, or clean energy companies. Each company on this list has demonstrated sector expertise through named client work, awards, or published case studies.
If you’re evaluating a marketing partner for a growth-stage climate tech startup or an established clean energy company, these agencies represent strong options across different specialties.
How We Selected These Agencies
To be included, each agency met the following criteria:
- Public evidence of B2B climate tech, cleantech, or renewable energy experience.
- Verifiable case studies, named clients, or dedicated industry practice pages.
- Full-service marketing or specialized B2B capabilities relevant to climate companies.
- Demonstrated experience supporting complex technical products and long enterprise sales cycles.
- U.S. presence with experience serving North American organizations.
1. twentytwo & brand
Best for: Full-service cleantech and renewable energy marketing communications
twentytwo & brand. focuses exclusively on climate tech, renewable energy, and clean energy companies. Unlike agencies that specialize only in public relations, digital marketing, or creative branding services, the firm integrates communications strategy, media relations, brand design, digital marketing, SEO/GEO, and lead generation all in-house.
This approach is particularly valuable for growth-stage climate tech startups with lean internal marketing teams in need of true strategic counsel and support across the marketing and sales funnel.
The agency reports 100+ cleantech companies served, with outcomes ranging from market repositioning to successful exits.. Its publicly available portfolio includes a four-week North American market entry program for FranklinWH and communications support that helped Castillo Engineering secure its first utility-scale project exceeding 100 MW. These are supported by verifiable case studies, and award recognition from PR Daily.
Services include:
- Brand strategy.
- Public relations and communications.
- Media relations.
- Graphic design.
- Website development.
- Digital marketing.
- Paid advertising.
- Lead generation.
- SEO & GEO.
- Content marketing.
- Social media.
Why choose twentytwo & brand
- Built specifically for climate tech and renewable energy companies.
- Integrated communications, creative, and digital marketing.
- Extensive portfolio of verifiable case studies.
- Strong experience supporting product launches and market expansion.
2. Stein IAS
Best for: Enterprise B2B marketing for industrial and energy organizations
Stein IAS is a global B2B agency serving industrial, manufacturing, technology, infrastructure, and energy organizations. While not exclusively focused on cleantech, the agency has extensive experience supporting complex technical businesses through integrated marketing programs.
Its capabilities include demand generation, account-based marketing, brand strategy, content development, and digital transformation initiatives for organizations selling into enterprise markets.
Services include:
- Brand strategy.
- Demand generation.
- Account-based marketing.
- Content marketing.
- Marketing technology.
- Performance marketing.
Ideal for
- Enterprise clean energy companies.
- Industrial technology providers.
- Infrastructure businesses.
3. Stratabeat
Best for: SEO and demand generation for B2B technology companies
Stratabeat specializes in organic growth, SEO, conversion optimization, content strategy, and demand generation for complex B2B organizations.
The agency has worked across several technology sectors, including companies operating within climate technology and industrial innovation. Its emphasis on search visibility and revenue-focused digital marketing makes it suitable for companies investing heavily in inbound acquisition.
Services include:
- SEO.
- Content strategy.
- Conversion optimization.
- Demand generation.
- Website optimization.
- Analytics.
Ideal for
- Climate software companies.
- Industrial SaaS platforms.
- Technology businesses building inbound pipelines.
4. Bay Leaf Digital
Best for: B2B SaaS marketing with climate technology experience
Bay Leaf Digital is a B2B marketing agency focused primarily on SaaS companies while also supporting organizations operating within environmental technology and climate software.
The agency combines content marketing, paid media, SEO, HubSpot implementation, and marketing automation to support lead generation for technical products.
Services include:
- SEO.
- Paid search.
- Marketing automation.
- HubSpot implementation.
- Content marketing.
- Digital strategy.
Ideal for
- Climate SaaS.
- Energy software.
- Growth-stage B2B software companies.
5. Native Digital
Best for: Brand strategy for established clean energy companies
Native Digital is a branding and marketing agency with documented experience across the clean energy sector. The agency has published research covering US cleantech marketing firms and has completed work with organizations operating in renewable energy and industrial markets.
Its strengths include positioning, messaging, website strategy, and integrated digital campaigns.
Services include:
- Brand strategy.
- Website design.
- Messaging.
- Creative development.
- Digital marketing.
Ideal for
- Renewable energy companies.
- Established B2B brands.
- Organizations undergoing repositioning.
Choosing the Right Cleantech Marketing Agency
The best agency depends on your business objectives rather than company size alone.
| Business Need | Recommended Agency Type |
|---|---|
| Product launch | Full-service cleantech marketing communications |
| Market expansion | Integrated PR, branding, and digital marketing |
| Organic lead generation | SEO and content-focused agency |
| Enterprise demand generation | B2B growth marketing agency |
| Brand repositioning | Brand strategy and creative specialist |
When evaluating agencies, look beyond service lists. Ask for verifiable case studies that demonstrate measurable outcomes in climate tech, renewable energy, or related B2B industries.
Key evaluation criteria include:
- Experience with technical products.
- Industry-specific messaging expertise.
- B2B stakeholder engagement capabilities.
- Named client references.
- Cross-functional marketing capabilities.
- Experience supporting long enterprise buying cycles.
Why Industry Experience Matters
Climate tech companies often market products that require technical credibility, regulatory awareness, and communication across multiple stakeholder groups.
Generalist agencies may need significant onboarding before they understand the market. Agencies with established experience in climate technology typically understand industry terminology, buyer expectations, and the communications challenges that accompany emerging technologies.
This familiarity can reduce ramp-up time and help marketing teams maintain momentum during fundraising, product launches, or expansion into new markets.
Frequently Asked Questions
What does a cleantech marketing agency do?
A cleantech marketing agency develops marketing strategies for companies operating in climate technology, renewable energy, clean energy, energy storage, electrification, and related sectors. Services commonly include branding, content marketing, digital marketing, public relations, website development, and demand generation.
How is cleantech marketing different from traditional B2B marketing?
Cleantech companies often sell highly technical products to multiple stakeholders over extended sales cycles. Marketing must communicate technical value while supporting commercial decision-making across engineering, procurement, finance, and executive teams.
What should I look for when hiring a cleantech marketing agency?
Look for public evidence of relevant client work, verifiable case studies, B2B stakeholder engagement experience, and a track record supporting climate tech or renewable energy organizations.
Are full-service agencies better than specialized agencies?
It depends on your needs. If your team requires branding, communications, design, digital marketing, and public relations working together, a full-service agency may provide greater consistency. If your primary objective is SEO or paid acquisition, a specialist agency can also be a strong fit.
How long does it take to see results?
Timelines vary by channel. Paid campaigns may generate leads within weeks, while SEO, content marketing, brand awareness, and public relations typically require several months to build measurable momentum.
