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"The Cleantech go-to-market experts."
15+ happy clients

Cleantech marketing works.
Just slower than it should.

We shorten the time B2B marketing takes to produce results, while freeing up your team.
Book a ConsultationSee client results
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more qualified leads
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higher lead conversion rate
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pipeline generated

Trusted by B2B cleantech globally

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Client results

“Tremendous value in a remarkly short time.”

"CleanTech GrowthLab delivered tremendous value in a remarkably short time. Their knowledge of what's actually working in go-to-market strategy is ahead of the pack."

Aron Lazarchik
VP, Marketing

“Proactive tactics and unparalleled communications. Digital advertising, search optimization, lead management and inbound strategy with meticulous management and data-driven results.”

Kelly Doody
Chief Marketing Officer

“Eben and his team are go-to-market experts with a wealth of experience working with climate tech companies.”

Chip Horton
Chief Executive Officer

“The Cleantech Growthlab team are highly professional and provided a very slick solution. I would definitely recommend working with them.”

Mark Julien
Managing Director

"If you have a viable product and need to break out, CleanTech Growthlab will give you consistency, a real go to market strategy and the foundation for a results driven future."

Seth Hallam
Managing Director
The problem

B2B Cleantech doesn’t grow like ordinary tech.

Utilities, infrastructure owners and corporates buy on fixed procurement timelines.

In-market buyers make up only 2-3% (quarterly) and 8-10% (annual) of the total addressable market.

Long sales cycles create longer time-to-revenue
Slow campaigns are cut based on low return
Less pipeline is generated, revenue targets are missed
↺ Performance decreases until the 2-3% aligns
You can't change procurement timelines, but you can change who you target.
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The opportunity

In-market buyers close faster.

Acquisitions, grants, compliance events and new hires open buying windows, so deals move and growth investment sees return faster.

Real buying signals, found in public records.

Solar asset monitoring

$627M acquisition closed. Fleet jumps to 4 GW, 12 GW+ in pipeline.

Inox Clean EnergyCompany filings, Aug 2026
PFAS water treatment

$14.6M low bid opened on new PFAS plant, PFAS in all six city wells,

City of Hastings, MNPublic records, July 2026
Building electrification

60 days to comply after a deficiency notice. Fines are now being collected.

NYC Local Law 97 ownersNYC DOB, Sept 2026
Shorter time-to-revenue requires 4 steps
1

Shortlist in-market accounts

Rank accounts by trigger and buying window.

Ranked this week
Inox Clean Energy92
City of Hastings88
LL97 building owner81
2

Surround accounts

Add in-market accounts to marketing and retargeting.

enSights LinkedIn ad: 1 GW, $750K a month unclaimedUrban Connect ad: Charger down. Who shows up?Kathairos ad: 45M+ hours run, zero grid power
Deliver message across channels.
3

Deliver leads rapidly

Push engaged leads to CRM with full trigger and context.

Acquisition
HOVAPL
Call Head of Ops
4

Track impact and iterate

Measure marketing contribution to pipeline and revenue.

OutboundInbound
Pipeline by sourceOpen
$2.6M
$2.1M
Revenue by sourceWon
$260K
$220K

"Last week we had a lead thru Hubspot, this week we had a lunch and learn with them in their office. We expect to get site data shortly. The lead heard about us through a LinkedIn ad, which drove him to the website."

Chief Commercial Officer
$550k revenue generated in first year of the closed deal.
Learn how
Our difference

We simplify growth and shorten time-to-revenue.

Most agencies sell you more channels, reports, and recommendations, adding to your workload.

We handle every action that cuts time between your investment and your revenue.

Software that finds active windows

Our proprietary technology finds and ranks the 2-3% of your in-market buyers during a 90 day window.

No time lost teaching another agency

From SB253 to PFAS rules, we know the regulation, procurement and committees behind your deals.

We build systems that you own

We set up targeting, content engines, and attribution systems with board-ready reporting.

Rapid marketing execution tied to results

Proactive strategy and execution that shows marketing's contribution to pipeline and revenue every 30 days.

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"This is 10 leaps ahead of where we’ve been. Thank you guys for all of your hard work and your responsiveness. Going above and beyond."

Director of Strategic Marketing
Series A Energy Management System
Meet the team
Our process

Our Framework saves you time and drives projects forward.

White glove project management with full ownership, measurable checkpoints, and board-ready reporting.

Day 0
Intake and Playbook Kick-Off
Day 5
In-market accounts sourced
Day 10
Creative and Performance Live
Day 17
Weekly Growth Loop
Day 30
Monthly Performance Sprint
Day 90
Quarterly
Business Review
Intake and Playbook Kick-Off
In-market accounts sourced
Creative and Performance Live
Weekly Growth Loop
Monthly Performance Sprint
Quarterly Business Review

"I can't thank you enough for all you've done to keep us moving forward."

Chief Marketing Officer
Kathairos Solutions
Our specialization

Learn more about our
‍growth stack

Reach

Make sure buyers find you before the competition
SEO
AEO
Paid Search
Paid Social
Outbound Email

Engage

Builld a content engine that accelerates decision
Content
Website & CRO
Design

Convert

Generate leads and qualified opportunities
Full-Funnel ABM
Lead Generation
Buying Signals

Close

Equip your sales team with tools to win faster
Sales Assets
Case Studies
Revenue Attribution
Explore services

Own a growth target? Let's talk about your goals.

A free 30 minute session to share what's working for B2B cleantech teams like yours.
Book a Consultation
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Case studies

Dig into our client stories

Get lessons from the field and see the difference a zero-waste approach makes.

Case studiesSchedule a call

106 AI Citations and 126% SEO Growth. Here's How Kathairos Won AI Visibility in 6 Months.

Read
Read case study

How we drove 13 high-value ABM sales meetings for Wind Blade Monitoring

Read
Read case study

How CleanWatts built a Scalable GTM through Fractional Consulting

Read
Read case study
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Contact
North America
1017 E 23rd Ave, Denver, CO 80205

Portugal
‍
Rua D. Afonso Henriques, número 132, 4950-854 Cortes
eben@cleantechgrowthlab.com(351) 911 913 322
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