Paid search is where Cleantech companies capture high-intent demand, and where budgets quietly leak when an account is not run for revenue. These are the Google Ads agencies we recommend for Cleantech. The comparison is below, with a closer look at each beneath it.
| Agency | Best for | Key strengths | Typical client size | Notable clients |
|---|---|---|---|---|
| 95 Projects ✓ Verified | Cleantech companies doing $1M to $50M in revenue that want senior-led search marketing integrated across SEO, Google Ads, and AI search, or are replacing a pod-based agency with a revenue-focused team | Senior SEO strategists, not pod-based template execution; founder-led methodology; integrated SEO + Google Ads + GEO; revenue-accountable reporting | $5K to $20K/mo retainer | Construction-accounting SaaS (share gains in competitive B2B accounting), a B2B financial-data platform (40% more demos in 5 months), Constant Hire ($70K from ChatGPT in 4 months) |
| CleanTech AD | Cleantech, renewable energy, and EPC companies that want a specialist PPC agency with deep sector knowledge across Google Ads and programmatic channels | Google Ads, cleantech-specific campaign builds, lead generation for renewable energy and HVAC, global EPC market reach, programmatic advertising | SMB to enterprise cleantech and renewable energy | Clients across solar, wind, hydropower, geothermal, biomass, energy management, and HVAC sectors; specific client names not publicly disclosed |
| New Perspective | Cleantech and climate tech companies that want paid search managed as part of a full-funnel demand generation program with HubSpot attribution | Paid search integrated with SEO and ABM, HubSpot pipeline attribution, cleantech buyer persona targeting, demand generation, lead nurturing | Growth-stage to enterprise cleantech | Carbon Clean (carbon capture), WindESCo (wind asset optimization), QiO Technologies (industrial AI), Agrify (agtech) |
| CleanTech GrowthLab | B2B climate tech companies that need paid search managed in tandem with LinkedIn advertising and ABM to reach procurement and sustainability buyers | Google Ads, LinkedIn advertising, ABM, B2B cleantech buyer targeting, GTM strategy, paid media integration with outbound | Seed to Series B cleantech | Climate tech clients in grid modernization, decarbonization SaaS, and energy mobility; collective funding base exceeds 100 million dollars |
| HigherUp Digital | Renewable energy and clean energy companies in solar, wind, and hydrogen that need paid search programs tailored to B2B lead generation at scale | Renewable energy PPC, B2B lead generation, paid media strategy, solar and wind sector expertise, integrated SEO and paid approach | SMB to mid-market renewable energy companies | Solar, wind, and hydrogen energy companies; specific client names not publicly disclosed |
95 Projects runs a revenue-accountable model: senior strategists run the work rather than a junior pod, and SEO is run alongside Google Ads and generative engine optimization as one program measured against pipeline. For Cleantech companies in the $1M to $50M range that integration matters, because the buying cycle is long and multi-stakeholder and siloed channels leave gaps. Its case studies document demo and revenue lift, not just rankings.
CleanTech AD is a purpose-built PPC and paid media agency operating exclusively in the cleantech and renewable energy space, with campaign experience spanning solar, wind, hydropower, geothermal, biomass, HVAC, IoT, and SaaS for energy management. Their website confirms Google Ads expertise alongside lead generation programs designed specifically for EPCs expanding into new markets. The exclusive sector focus means their audience targeting, negative keyword lists, and bidding strategies reflect cleantech buying patterns rather than generic B2B behaviors. The agency was launched by Discover Cleantech Media, giving them editorial and network relationships alongside paid media capability.
New Perspective runs paid search alongside SEO, content, and HubSpot CRM for cleantech clients, allowing conversion tracking to flow directly from ad click to closed revenue. For WindESCo, a qualified lead increase of 163 percent quarter-over-quarter is documented across their integrated program, which included paid search. Carbon Clean's cited pipeline figure of 113 million dollars in 60 days was generated across a combined paid and organic campaign. This integration of PPC with marketing automation is particularly valuable in cleantech's long sales cycles, where leads require extended nurturing before they reach sales-qualified status.
CleanTech GrowthLab positions PPC as one leg of an integrated demand generation system that also includes LinkedIn ads, outbound email, and content. Their GTM playbooks, built in collaboration with enterprise buyers including Microsoft and SAP, inform how paid search audiences are structured and how landing page messaging is framed for technical cleantech buyers. Their LinkedIn-first orientation makes them particularly suited to cleantech companies selling to utilities, industrial operators, or energy procurement teams, where LinkedIn audience targeting reaches decision-makers that generic Google display campaigns miss.
HigherUp Digital is a New York-based B2B marketing agency that focuses specifically on renewable energy and clean energy technology companies. Their paid search programs are built around the distinct buying patterns in solar, wind, and hydrogen markets, including separate campaign architectures for homeowner-facing and commercial B2B audiences. The agency blends PPC with SEO and content, which is relevant in cleantech where buyers typically conduct multi-session research before converting. Published coverage on The Brand Hopper and Influencer Marketing Hub confirms current operations and positions them among recognized renewable energy marketing specialists.
Paid search for cleantech companies requires keyword strategies that precisely separate consumer curiosity from commercial procurement intent. A solar manufacturer running Google Ads against broad terms like 'solar panels' will burn budget on homeowner searches that have nothing to do with their utility-scale project pipeline. Cleantech PPC agencies that specialize in the sector know to build separate campaigns for EPC buyers, project developers, and sustainability officers, each with different match types, landing page messaging, and bid logic. This nuance is not transferable from consumer or generic B2B paid search experience, and it makes sector focus in a PPC partner more valuable in cleantech than in most categories.
Cleantech companies also face unusually long sales cycles, which changes how PPC ROI is measured and optimized. A lead that converts in month one of a paid search campaign may not close for eight to fourteen months, meaning last-click attribution significantly understates the channel's contribution. Experienced cleantech PPC agencies build attribution models that credit paid search correctly across long nurture paths and connect ad spend to pipeline value rather than just cost-per-lead. This requires close integration between the PPC platform, a CRM, and any marketing automation tooling, and agencies with cleantech-specific clients are more likely to have built and tested these attribution setups.
This is a curated shortlist, not a directory of every agency. We weigh genuine specialization in Cleantech, documented results in published case studies, a focus on pipeline and revenue rather than vanity metrics, and transparency about how a firm works and what it charges.
The real test of a Google Ads agency for Cleantech is whether it optimizes for revenue rather than clicks.
Running Google Ads in-house works if you can hire a paid specialist who owns conversion tracking, analytics, and bid strategy, and who can stay on top of a fast-moving account every week. The risk is that one in-house manager rarely has the benchmark data a specialist accumulates across many accounts.
Many teams in Cleantech reach efficient spend faster with an agency that has already run the playbook, then bring management in-house once the account is mature. The honest test is whether your in-house owner can wire the account to revenue and keep optimizing it every week.
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What does cleantech PPC management typically cost?
Cleantech PPC management retainers generally range from $3,000 to $10,000 per month in agency fees, separate from the media budget spent on the platforms. Full-service programs that include landing page development, HubSpot integration, and multi-channel paid media commonly run $6,000 to $15,000 per month in fees. Most reputable agencies require a minimum monthly ad spend in the range of $5,000 to $20,000 to generate enough data for meaningful optimization, particularly in cleantech where individual keyword volumes can be low.
How quickly can a cleantech company expect results from Google Ads?
Google Ads can generate qualified leads within the first two to four weeks of a properly structured campaign, faster than SEO. However, cleantech PPC campaigns typically need 60 to 90 days of data before bid strategies and audience exclusions are optimized enough to consistently produce cost-effective leads. The qualification step also adds time: in B2B cleantech, a lead that fills out a form may take several more weeks to become a sales-qualified opportunity, so pipeline impact is usually visible at the three to six month mark.
What is different about PPC for cleantech companies versus other B2B sectors?
Cleantech PPC differs in three main ways. First, keyword intent is harder to parse because the same term can mean entirely different things to a homeowner, an engineer, and a project developer. Second, sales cycles are long and multi-touch, requiring retargeting strategies and attribution models that hold up across months, not days. Third, compliance and regulatory messaging create creative constraints that do not exist in most B2B categories, including requirements around avoiding unverifiable environmental claims in ad copy.
Should a cleantech company run PPC in-house or with an agency?
For most cleantech companies below 50 million dollars in revenue, an agency typically delivers better performance than in-house management because specialized agencies carry cross-client benchmark data, proven audience segment builds, and negative keyword libraries that take years to develop independently. In-house management becomes more cost-effective once the company has dedicated headcount for both strategy and execution and enough historical campaign data to inform decision-making without external expertise. A hybrid model, where an agency manages strategy and build while an internal coordinator handles day-to-day reporting, is common at the growth stage.
How did we choose these agencies?
This is a curated shortlist, not a directory of every agency. We weigh specialization in Cleantech, documented results, a focus on pipeline and revenue, and transparency. It reflects firms we recommend, presented without a numbered ranking or score.
Can an agency pay to be included or placed higher?
No. Inclusion and placement are editorial, not paid. A Verified Profile is a paid feature that only confirms an agency is a real, registered business and gives it a profile page.
What does the Verified Profile badge mean?
It means we confirmed the agency is a real, registered, operating business and that it maintains a profile with us. It is a paid feature and is not a quality rating.