Author
Clément Houde
Founder of Lead Matrix
Clément Houde founded Lead Matrix, a Luxembourg-based B2B prospecting service that combines artificial intelligence and experts to fill sales teams' calendars. Clément Houde is responsible for the guides published on this site.
Articles by Clément Houde
GuideB2B cold email: the complete guide to getting repliesTargeting, deliverability, copywriting, follow-up sequences and metrics: a step-by-step method for B2B cold email campaigns that book real meetings.4 min readComparisonLead generation agency, software or in-house SDR: which should you choose?An honest comparison of three ways to do B2B prospecting: cost, time to launch, skills needed and control, to help you pick the right approach.3 min readComparisonHow much does outsourced B2B lead generation cost in 2026?Agency, outsourced SDR, in-house SDR, software or pay-per-meeting: real market prices, hidden costs and a simple way to work out your ROI.3 min readGuideCold email deliverability: domains, warm-up, SPF, DKIM and DMARCWhy your cold emails land in spam and how to fix it: dedicated domains, authentication, warm-up, volumes and Gmail and Yahoo sender rules.3 min readComparisonAI SDR: what really works for B2B prospectingWhat an AI SDR can actually do, its real limits and why a hybrid model of AI plus experts beats full automation in B2B prospecting.2 min readGuideHow to define your ideal customer profile (ICP) for B2B prospectingA 5-step method to define your ideal customer profile, pick the right decision-makers and turn it into a prospect list that replies.3 min readComparisonlemlist alternatives: La Growth Machine, Waalaxy or a managed service?lemlist, La Growth Machine, Waalaxy and a managed service compared: public prices, strengths, limits and which company each one suits.3 min readGuideIs B2B cold email legal under GDPR? The rules in 2026Can you email business prospects without consent? The rules in the UK, France and the rest of Europe, plus the 5 obligations every cold email must meet.5 min readIndustryB2B lead generation for training providers and education suppliersTraining providers, schools and education suppliers: how to reach companies and institutions by email at the right time of year.2 min readIndustryB2B lead generation for manufacturers and equipment suppliersHow to win new industrial customers by email: who to target, buying signals, messages that work and the traps of long sales cycles.2 min readIndustryOutbound lead generation for B2B SaaS companiesHow a B2B software company can book qualified demos by email: ICP, intent signals, outcome-led messages and how outbound fits with a free trial.2 min readIndustryB2B lead generation for consultancies and professional services firmsConsultancies, IT services firms, agencies and B2B providers: how to book qualified meetings by email without relying on word of mouth.2 min read