Services we provide
- CRM Implementation
- Custom API Integrations
- Customer Marketing
- Email Marketing
- Programmable Automation
- Sales and Marketing Alignment
- Website Development
Industries we specialize in
- Consumer Products
- Manufacturing
- Marketing Services
- Retail
- Tourism/Travel
Budgets we work with
$5,000+Languages we support
EnglishRegions we serve
- APAC
- North America
Overview
Reviews
- Jun 30, 2026
Maps the whole journey from first touch to closed deal
I worked with Marcel during my time at Factor, where he built our inbound forms and lead generation platform from the ground up on HubSpot. I watched him wire the whole thing together. Forms, routing, integrations, the systems behind it all connected and actually working. Nothing was duct-taped. What stood out is that he thinks in full customer journeys. He did not just capture leads. He designed the path from first touch through nurture to conversion, so prospects moved through the funnel instead of stalling in it. Lead gen, qualification, handoff to sales, all of it mapped and built to convert. He also uses AI for real business growth, not as a talking point. He knows where it moves the needle and where it does not. And he gets the commercial side. He thinks in pipeline and revenue, not just the build. That mix is rare. Most people are strong on the tech or the business. He is good at both. If you want a HubSpot partner who can architect the full journey from lead to revenue and connect it to growth, he is who I would call.
Smith, C.
- Apr 7, 2026
Finally, a HubSpot partner who actually builds things
We came to Black Box Digital with a HubSpot setup that looked fine on the surface but wasn't doing anything useful. Marcel and the team didn't just tidy it up — they rebuilt it with AI workflows that actually run the commercial side of the business. Lead enrichment, follow-up sequences, pipeline automation — it all just works now without someone babysitting it. What sets them apart is that they've done this for their own businesses first. You're not getting theory; you're getting a system that's already been proven at scale. The free AI Playbook alone was worth the conversation — genuinely useful, no pitch attached. If you want your CRM to generate revenue instead of just storing contacts, these are the people to call.
MacCulloch, K.
