Partner with industry experts your prospects trust to drive awareness and accelerate lead generation.




Connecting B2B Brands with Opinion Leaders
Partner with industry experts your prospects trust to drive awareness and accelerate lead generation.




Connecting B2B Brands with Opinion Leaders
Partner with industry experts your prospects trust to drive awareness and accelerate lead generation.




We
help
you
create
unique,
impactful
and
long
term
partnerships
with
the
leading
opinion
leaders
trusted
by
your
prospects.
Meanwhile,
the
B2B
buyer
journey
has
changed
and
professional
content
creators



have
exploded,
becoming
the
go-to
source of truth
for
your
prospects.
Traditional
B2B
acquisition
model
is
shifting.
Outbound
is
saturated,
advertising
CACs
grew
+220%
in
5
years,
SEO
will
lose
a
quarter
of
its
traffic
to
LLMs
(and
counting).
Traditional B2B acquisition model is shifting. Outbound is saturated, advertising CACs grew +220% in 5 years, SEO will lose a quarter of its traffic (and counting).
Meanwhile, the B2B buyer journey has changed and professional content creators have exploded, becoming the go-to source of truth for your prospects.
We help you create unique, impactful and long term partnerships with the leading opinion leaders trusted by your prospects.
Our clients are supported by worldwide leading investors
AI-based opinion leader sourcing
We developed our proprietary Multi AI Agent System to source, assess and select the most relevant industry experts your brand should partner with. Our agents have no borders. From Linkedin to Youtube and podcasts, they work 24/7 at the speed of light.

Yann Leonardi
Growth Marketing
Relevant outreach at scale
We reach out to influencers on your behalf, manage rates negotiations, creators briefing and onboarding. All you have to do is relax and supervise while we build long lasting business driven partnerships at scale.
Opportunities
0
0

Yann Leonardi
108k followers
Closed

Lenny Rachitsky
1,1M followers
Interested

Elena Verna
142k followers
Contacted

Ben Lang
173k followers
Contacted
Automated financial operations so you don't have to
The back‑office burden can stall campaigns. From contract generation to invoice validation and scheduled payment, our proprietary platform automates every step to avoid operational chaos.
Contract
Jun 2025
YouTube video
$650,00
Stripe
Spent
$650.00 USD
Accounting
Sponsorship proposal
Partnerships delivery
Content ideation, iterative back-and-forth, deadline management, we’ve got you covered. We manage small adjustments that make the difference between good and great.

Yann Leonardi
108k followers
Following
The Decathlon case
YouTube
400k views
22:22
Sponsored by Weglot
Performance analysis
You don’t improve what you don’t measure. We collect, gather and analyze performance data from micro (reach, clicks) to macro (EMV, CPM) and compare it with our internal benchmark to strengthen our decision making process.
Leads generated
4,000
3,000
2,000
1,000
0
Total daily impressions
47,6k
CPM ($)
$17
We build bridges
We built a catalogue of connectors to make sure our data flows within your marketing stack.







AI-based opinion leader sourcing
We developed our proprietary Multi AI Agent System to source, assess and select the most relevant industry experts your brand should partner with. Our agents have no borders. From Linkedin to Youtube and podcasts, they work 24/7 at the speed of light.

Yann Leonardi
Growth Marketing
Relevant outreach at scale
We reach out to influencers on your behalf, manage rates negotiations, creators briefing and onboarding. All you have to do is relax and supervise while we build long lasting business driven partnerships at scale.
Opportunities
0
0

Yann Leonardi
108k followers
Closed

Lenny Rachitsky
1,1M followers
Interested

Elena Verna
142k followers
Contacted

Ben Lang
173k followers
Contacted
Automated financial operations so you don't have to
The back‑office burden can stall campaigns. From contract generation to invoice validation and scheduled payment, our proprietary platform automates every step to avoid operational chaos.
Contract
Jun 2025
YouTube video
$650,00
Stripe
Spent
$650.00 USD
Accounting
Sponsorship proposal
Partnerships delivery
Content ideation, iterative back-and-forth, deadline management, we’ve got you covered. We manage small adjustments that make the difference between good and great.

Yann Leonardi
108k followers
Following
The Decathlon case
YouTube
400k views
22:22
Sponsored by Weglot
Performance analysis
You don’t improve what you don’t measure. We collect, gather and analyze performance data from micro (reach, clicks) to macro (EMV, CPM) and compare it with our internal benchmark to strengthen our decision making process.
Leads generated
4,000
3,000
2,000
1,000
0
Total daily impressions
47,6k
CPM ($)
$17
We build bridges
We built a catalogue of connectors to make sure our data flows within your marketing stack.







What B2B brands say about partnering with thought leaders your prospects trust
Eugene Ernoult
Chief Marketing Officer at Weglot
"Thanks to Kast, we’ve saved valuable time and executed far more influencer campaigns, with expert support from start to finish."

Arthur Regnier
Head of Growth at AB Tasty
"Kāst's first-party technology as well as their operational expertise helped us achieve things that would have taken much longer if we'd had to do them on our own."

Romain Torres
CEO at Arcads
"We went from $0 to $6M ARR in a year thanks to B2B creators. Kāst helped us launch and scale a highly efficient network of influential leaders."

Dan Elkaïm
CEO at Topo
"+200 leads in 48 hours. This is what Kāst made of our product launch when partnering with relevant sales experts at the appropriate time."

What B2B brands say about partnering with thought leaders your prospects trust
Eugene Ernoult
Chief Marketing Officer at Weglot
"Thanks to Kast, we’ve saved valuable time and executed far more influencer campaigns, with expert support from start to finish."

Arthur Regnier
Head of Growth at AB Tasty
"Kāst's first-party technology as well as their operational expertise helped us achieve things that would have taken much longer if we'd had to do them on our own."

Romain Torres
CEO at Arcads
"We went from $0 to $6M ARR in a year thanks to B2B creators. Kāst helped us launch and scale a highly efficient network of influential leaders."

Dan Elkaïm
CEO at Topo
"+200 leads in 48 hours. This is what Kāst made of our product launch when partnering with relevant sales experts at the appropriate time."

What B2B brands say about partnering with thought leaders your prospects trust
Eugene Ernoult
Chief Marketing Officer at Weglot
"Thanks to Kast, we’ve saved valuable time and executed far more influencer campaigns, with expert support from start to finish."

Arthur Regnier
Head of Growth at AB Tasty
"Kāst's first-party technology as well as their operational expertise helped us achieve things that would have taken much longer if we'd had to do them on our own."

Romain Torres
CEO at Arcads
"We went from $0 to $6M ARR in a year thanks to B2B creators. Kāst helped us launch and scale a highly efficient network of influential leaders."

Dan Elkaïm
CEO at Topo
"+200 leads in 48 hours. This is what Kāst made of our product launch when partnering with relevant sales experts at the appropriate time."

Grow with trust and credibility
Kāst leverages the power of thought leadership to build unique and authoritative brands
Produce authoritative content
Content Marketing
Secure top-tier influential speakers
Event marketing
Leverage pre-qualified audiences
Lead generation
Build trust and credibility through expert voice.
Demand generation
Target pre-qualified audiences
Growth marketing
Reach targeted accounts decision-makers
Lead generation
Co-build lead magnets
Growth marketing
Spark strategic conversations on future-facing topics
Demand generation
Activate accounts before sales outreach
Lead generation
Attract high quality attendees
Event marketing
Increase brand awareness in your target market
Demand generation
Distribute content to pre-qualified audiences
Content Marketing
Frequently asked questions
Considering working with us? Explore our FAQ section for answers to common questions about Kāst.
How do you identify the right influencers for our industry?
What's a realistic timeline to see results?
How do we measure ROI from B2B influencer marketing?
What should we budget for B2B influencer marketing?
How is B2B influencer marketing different from B2C?
Do we need dedicated internal resources to manage this?
What happens if a campaign underperforms?