Jolly Marketer
Cold Email Agency Berlin for B2B
Signal-based cold email outreach for SaaS, tech and B2B mid-market.
Standalone campaign or full revenue architecture: cold outreach leads that go nowhere are not an issue. We deliver the complete stack, from target audience to CRM handoff.
No SDR hire | no mass sending | no generic AI template
Real sales triggers, not guesswork
Deliverability setup, not burned domains
Hyper-personalization, not mass AI junk
We make sure the pipeline never runs dry, including automated nurturing for all leads that are not yet ready.
What does a cold email agency in Berlin do?
A cold email agency helps B2B companies win new qualified conversations and sales opportunities through targeted email outreach. Key factors: audience focus, deliverability, message relevance, clean CRM processes and ongoing optimization.
500+
Customer projects
50M+
Messages sent
20k+
SQLs generated
Leading Agency
B2B Outbound DACH
// Results, not promises
Case Studies
Hundreds of client projects across many industries have shown us which levers really work. And with every conversion and every new project, our agents keep learning.
Case Study
Aviloo: Signal-driven cold email outbound for automotive OEM, dealer and fleet-adjacent target accounts, based on data-driven research and rigorous hyper-personalization.
- Extensive scraping and data enrichment to reliably identify triggers, buying signals and relevant account context
- Hyper-personalization at company and persona level (use case, existing systems, events/signals) without operational friction at scale
SQL Leads p/M (1 market): 25 | Reply Rate: 8%
Case Study
Transco GmbH: Automated outbound engine plus HubSpot as the process system for predictable new-customer acquisition in B2B logistics, with data-based ICP and persona personalization.
- Deep scraping per target industry: pain points, triggers, use cases and ICP and buyer persona language, systematically extracted and distilled
- Hyper-personalization in copy and sequences derived from it, precisely tuned to context and role, enabling high reply rates
SQL Leads p/m: 50 | Opps p/M: 5 | Reply Rate: 9%
Case Study
Styla: from short-term sales push to a repeatable growth system. HubSpot as the central Revenue Engine, so demand, pipeline, and retention run as one steerable system.
- Repositioning along clear use cases and target segments, plus prioritized growth levers
- Built a growth team and automated processes for content, nurturing, conversion, and routing
- Product-led GTM (activation, lifecycle) and clear hand-offs between product, sales and marketing
SQL Leads: +70% | Sales: +35%
Case Study
CLAAS/365Farmnet: from campaigns to a demand system. Salesforce as GTM backbone for clearly measurable signals, fast tests and scalable customer acquisition.
- Sharpen target groups, use cases, value proposition; prioritize potential clearly.
- Channel setup: performance, content and CRM processes, messaging, clean sales handoffs.
- Funnel control via KPIs per stage, reviews, iteration; optimize budget and resources measurably, data-driven.
Active users +200% | CAC -50%
// More leads, more sales: we handle it.
How cold email outreach works in 2026
In 2026, four principles decide between replies and the spam folder: signal-based timing, hyper-personalization built on public data, technical deliverability, and value-first outreach instead of mass sending.
Cold email is not mass sending. It is precision work. B2B decision-makers do not respond to generic emails or AI templates. What works in 2026:
Signal-based timing: outreach only on a concrete trigger: leadership change, partnership, expansion, product launch. Based on real business signals, not guesswork.
→ Which relevant sales triggers really matter, explained here.
Hyper-personalization: our AI analyzes public data and industry patterns to identify the most relevant pain point for each recipient. No mail-merge fields.
→ Why cold emails often fail and personalization makes the difference, explained here.
Deliverability secured: warmed-up domains, strict volume limits, DNS setup (SPF/DKIM/DMARC), list hygiene, ongoing monitoring. Horizontal scaling instead of mass sending.
→ The technical requirements for cold email often decide between success and the spam folder.
Multichannel orchestration: email as the entry point. LinkedIn touchpoints and CRM workflows ensure no qualified lead is lost.
→ When cold email vs. LinkedIn in B2B sales works better, explained here.
Data-driven and transparent: every sequence is tested. Messaging, timing, and offers are optimized on real reply data. All metrics visible in real time.
→ We’ve spent 20+ years in GTM across enterprise and mid-sized companies, incl. Microsoft, IBM, Yahoo, and our own B2B startups
(ex:
)
// Proven in hundreds of client projects
Teams that scale with us
From startup to enterprise: DACH B2B teams build predictable pipeline with us, including SEMrush, Buhl, CLAAS and the Volksbanken Raiffeisenbanken.
// Details make the difference
Our process: from positioning to SQL
Sending without a signal is sending into the void. Most campaigns fail at three points: no clear buying trigger, weak infrastructure, generic messages. Our four-phase process solves exactly that, systematically.
→ Want to place the channel correctly? Find the key basics of B2B cold emailing here.
Phase I
Audience, message,
offer — the foundation
that converts
Message-market fit: audience messaging
ICP/persona definition: precise audience analysis
No-brainer offer: compelling proposal
→ A strong B2B messaging strategy is the basis for relevant outreach.
Phase II
Inbox, not spam folder:
infrastructure and
sender reputation
Domains: optimized for deliverability
Accounts: configured to avoid spam
Warm-up strategy: sender reputation setup
Phase III
Real signals, precise
lists, messages
that have a reason and convert
Audience Building & Scraping
Pain Point Discovery & Sales Triggers*
1:1 hyper-personalization for every single message
→ Relevant sales triggers often decide timing and response.
Phase IV
Go live, test,
optimize — every email
trains the system
Sequencing: structured sending
Split testing to boost performance
Ongoing optimization of open, click and reply rates
// You’ve tried this before…
Why Jolly Marketer, not the next outbound agency?
Outbound only works when the offer is right. Most agencies still start with the email. We don’t. Before a single sequence goes live, we work with you on the offer: what do you solve, for whom, and why should anyone act now? That usually takes 1-2 weeks, not months. Then the campaign runs.
We work with agentic AI, not glorified mail merge. Autonomous AI agents monitor prospects, detect signals, and write 1:1 messages, without your team having to grow. Scale without headcount.
We build revenue architecture, not campaigns. For us, outbound is not an isolated channel. Audience definition, CRM setup, lead routing, pipeline reporting, it all works together. No leads lost between marketing and sales.
20+ years of B2B marketing & sales. Both sides of the table. Microsoft, IBM, Yahoo, our own startups, hundreds of client projects. We know your problem, and we know exactly where other agencies burn money.
// Real-world results
More case studies
More selected projects showing how strategy, systems, and execution create measurable growth, better conversion, and a more predictable pipeline.
Case Study
TissueGnostics: specific ICP (Researchers) with AI scraping and listbuilding as a context layer for highly relevant, hyper-personalized, pain-point-driven outreach messages.
SQL Leads p/M: 25
Case Study
Caseware: Signal-driven Outbound Engine for a regulation-adjacent ICP. AI scraping and account context for highly relevant conversation openers, plus a clean process to sales-ready handoff.
SQL Leads p/M: 20
Case Study
Ferendin Software: new business line = AI for industrial quality assurance, with 20 high-quality SQL leads per month, 65% via cold email outreach and 35% via cold LinkedIn outreach.
SQL Leads: +500%
Case Study
LeGuide Noir, an influencer marketing agency, greatly expanded its reach in the hotel sector and now generates 20 B2B leads per month.
SQL Leads: +60%
// New
Signal-Based Outreach Meets Permissionless Value
(also: Predictive Pain Point Discovery + Reverse Lead Magnet)
Generic emails no longer work. Neither do AI-written templates – your prospect spots them in three seconds. What works in 2026 is the exact opposite: we deliver real, instantly usable value before we even ask for anything.
The principle is Permissionless Value: you don’t ask permission, you don’t pitch, you don’t ask for a meeting. You show up with something finished that solves this one prospect’s specific problem. Instantly. Without them having to implement or read anything.
Combined with our Predictive Pain Point Discovery – AI that analyzes public signals, company context, job postings, partnerships, and industry patterns — the result is outreach that doesn’t feel like cold outreach. It feels like a relevant nudge at exactly the right time, with value the prospect gets nowhere else.
The result: reply rates far above industry average – even in industries considered cold-email-resistant.
→ Buyer intent data helps make outreach more relevant and timely.
Cold email or classic cold outreach: which fits you?
Cold email is cold outreach via email, just with a different lever than the phone: instead of 80 dial attempts a day, a clean system reaches hundreds of fitting decision-makers per week, asynchronous and measurable. Phone outreach stays strong when few accounts carry most revenue and the call itself is the qualification step. Email wins when you want to cover a larger market segment systematically and the reason for contact comes from real signals, not a call list. Most of our clients combine both: email opens the door, the phone closes. Our guide cold outreach system shows how a reproducible outbound system is built; this article explains warm vs. cold outreach.
Is cold email outreach allowed in B2B?
The honest answer: these are two separate legal questions, and both must be answered. Data sourcing is governed by the GDPR; in B2B it can be cleanly justified and documented via legitimate interest (Art. 6(1)(f)). Sending falls under § 7 of the German UWG (Act Against Unfair Competition), and there is no blanket B2B exemption for email. That is why we do not work with mass sends but with tightly tailored one-to-one outreach: a concrete business reason, clear relevance for this exact recipient, transparent sender identity, instant opt-out. Anyone promising “100 % legally safe cold mailing” is selling you something. We shape the risk deliberately and documented, and tell you before launch where the limits are.
