Best Ad Agencies for Clean Energy

#1

MONSOON

★5.0

Berlin, Germany · Team 11-50 · 6 services · 27 reviews

MONSOON is an award-winning digital marketing agency helping ambitious brands turn complexity into measurable growth. We work with companies that lead their categories - including Trade Republic, Wikimedia Foundation, Kingston Technology, MONIN, Silver Cross, lavera, TF Bank, MONDO Möbel, Clearlight, Swan, Pomelo+Co, JdM, and Ein guter Plan - supporting them in scaling across competitive European markets. With deep expertise in Europe, especially Germany, we design and execute bespoke marketing strategies that connect brands with the right audiences, at the right moment, with the right message. When you partner with MONSOON, you don’t just hire an agency - you gain a dedicated growth team focused on long-term business impact. Proven trust: 150+ global clients 4.9/5 average client satisfaction 3x winner in top agency award contests 75% long-term client retention What we do best: Digital Marketing & Paid Media: from Google, Meta, TikTok, LinkedIn, and Amazon Ads to native, Reddit, Quora, and X advertising - we build full-funnel performance systems that convert attention into revenue. Content Creation: high-impact copy, visuals, UGC videos, email marketing, and social content—powered by human creativity and AI efficiency to keep your brand relevant, memorable, and profitable. Digital Strategy: marketing, localisation, GTM, and brand positioning strategies designed for European expansion and sustainable growth. Research & Audits: market entry analysis, analytics, competitive research, and deep audits that uncover the insights your business needs to move faster and smarter. Industries we scale: FinTech, MedTech, clean energy, e-commerce & D2C, mobile apps, fashion & beauty, wellness, real estate, food & beverage, home decor, and more - both B2C and B2B. If you’re looking for a partner that combines strategic thinking, creative execution, and performance discipline - MONSOON is ready to drive your next stage of growth.Read more

#2

Warner Communications

★5.0

Boston, United States · Team 11-50 · 10 services · 10 reviews

Warner is an integrated marketing communications agency specializing in B2B brand and executive visibility for companies supporting the supply chain from end-to-end, including clean energy production, manufacturing, automation, logistics, transportation, AEC, and waste management. Our core services: Integrated brand awareness strategy across earned, owned and paid media. Proactive media relations and B2B publicity.  Executive visibility and thought leader brand building.  Corporate communications, reputation management, and crisis communication.  B2B Social media strategy and execution.  Why Warner? We are not just experts in PR and marketing, we are experts in our clients’ industries. We meet our clients where they are, building bespoke processes, strategies and campaigns to align with each client’s needs, preferences, and objectives. Our team is composed of senior practitioners with brand and agency side experience. We have been in our clients’ seats and understand their needs and expectations. From our managing director to our most junior team members, we are doers not delegators. We act as both strategic counsel and do the work. Read more

#3

(W)right On Communications

★5.0

San Diego, United States · Team 11-50 · 6 services · 8 reviews

San Diego-based full-service agency offering advertising, public relations, branding, and digital design solutions. (W)right On Communications combines strategic content marketing with graphic and web design expertise to support client growth.