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B2B marketing agency
B2B marketing agency & consultancy

B2B marketing that gets you shortlisted.

Industrial groups, financial institutions, tech integrators and construction players trust us to make complex offers clear, credible and easy to buy. From positioning to qualified leads.

30 min with the founders, no commitment.

25 years
leading B2B marketing and digital
6 years
partner of a European PPE leader
Board-level
strategies validated by executive committees
Trusted by

B2B marketing by industry: work we can show you.

Belly & Brain is a B2B marketing and digital consultancy founded in 2015, working in Belgium and abroad. We help industrial, financial, tech and construction companies with positioning, brand, customer journeys and lead generation. Long cycles, buying committees and offers that need explaining: we know them from the inside.

Financial & business services

Institutions, brokers, corporate buyers, professional services.

Multichannel support strategy: 1,000 cases analysed, 3 customer journeys redesigned.
AXA Belgium
Customer journeys and sales funnel for a new product range sold through brokers.
Portfolio strategy, including Corporate packages, tested before roll-out.
Brand, website and pitch proposals for a consultancy serving international associations.

Tech, security & distribution networks

Integrators, installers, multi-site B2B networks.

Omnisecur
From Alsec to Omnisecur: B2B security brand, identity and growth plan.
Doyen Auto
Rebranding of a 150-store auto-parts network serving garages.
Eezee-it
Brand and identity for an Odoo integrator.

Construction & built environment

Renovation innovators and public bodies working with the sector.

Bruxelles Environnement
Circular-economy maturity of construction companies: field research and 5 adoption profiles.
WonderWalls
A modular, renewable and circular kit to renovate and insulate buildings from the inside.

Underlined names open the full case.

Recognise your situation? Tell us about it in 30 minutes.

You talk to the founders, not a sales rep.

Book a 30-min call

B2B marketing challenges: what companies bring us.

Five briefs we hear again and again. Open the one that sounds like you.

“Our brand no longer matches the company we've become.”

After a merger, a pivot or years of growth. We reset the positioning, the name if needed, and the brand architecture, so one story carries every business line.

Aellia
Omnisecur
Doyen Auto
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“Prospects don't understand what we sell.”

A technical offer turned into one clear story that works for every member of the buying committee: the expert, the user, the buyer and the boss.

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“Should we open this new channel?”

E-sales, direct-to-customer, partner networks. We size the opportunity with evidence, then test it for real before you commit the budget.

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“Our customer and partner journeys are broken.”

Clients, brokers, installers. We redesign the journeys touchpoint by touchpoint, with your teams in the room, so the result actually gets adopted.

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“We need leads our sales team actually wants.”

Positioning, search and AI visibility, campaigns and landing pages, measured on qualified demand rather than clicks.

Omnisecur
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Vandeputte Safety
Vandeputte Safety, six years together
Humble curiosity, cross-industry experience and no-nonsense communication enabled Belly & Brain to gather a profound understanding of our needs in a short lapse of time.
Philippe Halsberghe, then Director Sales & Marketing, now CEO
4 mandates
vision, journeys, market study, foresight
3 markets
B2B e-sales sized in BE, NL and FR
Read the case
“
Rebranding is never a small undertaking, and your team's creativity, flexibility, and positive attitude made the process both enjoyable and successful.
Sharon Isaac, Marketing Manager, Aellia
“
We were looking for a partner that could mix strategy, real-life experience and data analysis: this is exactly what we found in Belly & Brain.
Jan Van Heel, Chief Marketing & Digital Transformation Officer, Europ Assistance Belgium

B2B marketing agency: questions companies ask first.

What does a B2B marketing agency do?

A B2B marketing agency helps companies that sell to other companies get understood, shortlisted and chosen. That covers positioning and brand, customer and partner journeys, content, search and AI visibility, campaigns and lead qualification, always in line with how the sales team works. Belly & Brain does this as a consultancy: senior people who set the strategy and stay for the execution.

How do I choose a B2B marketing agency?

Look for four things: experience in sectors with long sales cycles, proof you can check (named clients and published cases), a link between marketing and sales results rather than clicks, and a team that transfers skills to yours. Ask to see work in a comparable situation before you sign.

What makes B2B marketing different?

Longer sales cycles, several decision-makers and offers that need explaining. B2B marketing has to inform a buying committee, qualify demand rather than just generate it, and work hand in hand with sales. Buyers are still people: they choose the supplier they trust.

Which B2B sectors do you work in?

Mainly industry and manufacturing, financial and business services, tech and distribution networks, and construction. Clients include Lesaffre, AGC, SWIFT, AXA Belgium and Vandeputte Safety, as well as Belgian SMEs, in Belgium and abroad.

Do you work with SMEs or only large groups?

Both. The experience comes from large organisations; the approach is sized to your stakes and your budget. Not every company needs the full process.

A B2B project in mind? Let's talk.

An honest conversation about where you are and where you want to go. If we're not the right fit, we'll tell you.

30 min with the founders, no commitment.

1
You book 30 minutes
Pick a slot that suits you. No preparation needed.
2
We listen and challenge
Your market, your sales cycle, what's blocking growth.
3
You get a clear proposal
Scope, approach and a fixed price, sized to your stakes.