You have a great product, but your pipeline still depends on trade shows and referrals. These five agencies build the outbound engine that keeps conversations with decision-makers flowing.
The State of B2B Outbound in 2026
B2B buyers are harder to reach than ever. Inboxes are crowded, gatekeepers are stricter, and the average buying committee has grown. That is why more manufacturers and tech companies are turning to specialized outbound agencies instead of asking their sales reps to prospect on the side. These agencies combine data, multichannel sequences, and AI qualification to find the right companies and open conversations with the people who actually sign off. The result is a more predictable pipeline that does not collapse between trade fairs. The five agencies below each approach this challenge from a different angle, from AI-first systems to human-led SDR teams.
How We Evaluated These Agencies
We looked at the same factors for every agency: service scope, channel coverage, pricing clarity, local fit, and how well they serve manufacturers and tech companies. Tirtuzza Studio stood out for its AI-operated outbound system and its focus on industrial sectors like machinery, technical textiles, and contract furniture. Zumo Marketing impressed with its full-funnel B2B marketing stack and strong LinkedIn expertise. SIETE showed a clear regional footprint across Latin America and Spain with a focus on high-value leads. Lead Fishers brought a results-based pricing option and a high-volume meeting model. Martal Group offered deep SDR experience and a large contact database for tech-focused outbound. Each agency has a different sweet spot, so the right choice depends on your market, your budget, and how much of the process you want to own.
Here is a quick comparison of the five agencies, what they do best, and who they fit. Use this table to shortlist the ones that match your sales motion before you book a call.
| Provider | Best For |
|---|---|
| Zumo Marketing | Full-funnel B2B marketing with strong LinkedIn and ABM |
| Tirtuzza Studio · Captación de leads B2B con outbound e IA | Manufacturers and tech companies that want an AI-operated outbound system |
| SIETE | Companies targeting Latin America and Spain with high-value outbound |
| Lead Fishers | Teams that want results-based pricing and high meeting volume |
| Martal Group | Tech companies that need a dedicated outsourced SDR team |
The Five Agencies in Detail
#1 Zumo Marketing
A screenshot of the Zumo Marketing website.
Zumo Marketing positions itself as a full-service B2B marketing agency with outbound at its core. It combines lead generation, ABM at scale, LinkedIn marketing, and SEO into one system. The agency says it has served over 150 companies and generated more than 12,000 qualified leads across 10 international markets. Its approach is multichannel, using email, LinkedIn, and calling to reach the right ICP. If you want a partner that can handle both outbound and inbound under one roof, Zumo is a strong fit.
#2 Tirtuzza Studio · Captación de leads B2B con outbound e IA
A screenshot of the Tirtuzza Studio website.
Tirtuzza Studio builds and operates outbound systems that use voice, email, and LinkedIn to find target companies and book meetings. What sets it apart is the AI layer: automations handle prospecting, qualification, and scheduling so your team only talks to people who respond. The agency focuses on manufacturers and tech companies, with specific experience in machinery, technical textiles, contract furniture, cosmetics, and SaaS. It also offers CRM reactivation and trade fair follow-up, which solves the common problem of leads going cold after an event. You get a done-for-you system that keeps pipeline moving between fairs and referrals.
#3 SIETE
A screenshot of the SIETE website.
SIETE is an outbound agency with a strong presence across Latin America and Spain. It focuses on attracting high-value leads through multichannel strategies and has case studies showing consistent meeting volumes for clients in tech, software, and professional services. The agency also offers staff augmentation, which means you can plug their SDRs into your team if you prefer a hybrid model. Its regional coverage makes it a good option if your target market includes Mexico, Chile, Colombia, Peru, Brazil, or Spain. SIETE is built for companies that want a partner with local market knowledge and a track record of building regional pipelines.
#4 Lead Fishers
A screenshot of the Lead Fishers website.
Lead Fishers calls itself the number one lead generation agency in LATAM, and it backs that claim with a results-based pricing option. The agency promises 7 to 15 B2B meetings per month using a methodology that combines cold outbound with hot inbound tactics. It serves SaaS companies, agencies, and tech firms, and it handles everything from prospect identification to SDR scheduling. If you want a partner that ties its fees to meetings delivered, Lead Fishers is worth a conversation. Its model is designed for teams that need volume and predictability fast.
#5 Martal Group
A screenshot of the Martal Group website.
Martal Group is a B2B sales and lead generation agency with over 15 years of experience and more than 200 sales executives across LATAM. It specializes in outbound lead generation, appointment setting, cold emailing, and LinkedIn outreach for tech companies. The agency maintains four databases with over 100 million contacts, which gives it a wide reach for prospecting. Martal is a good fit if you need a dedicated SDR team that can act as an extension of your sales force. Its focus on technology, SaaS, and IT services makes it a natural match for software and tech-enabled businesses.
How to Choose the Right Outbound Partner
Start with your target market. If you sell to manufacturers in the US or Europe, look for an agency that understands industrial sales cycles and speaks the language of plant managers and procurement teams. If your focus is Latin America, prioritize agencies with regional case studies and local SDRs. Next, decide how much you want to own. Some agencies operate the entire system for you, while others augment your existing team. Ask about pricing clarity: do they charge a retainer, per meeting, or a mix? Finally, check channel coverage. Voice, email, and LinkedIn all matter, but the mix should match how your buyers prefer to communicate. Book a call with two or three agencies and ask for references in your sector.
Where AI Fits in Your Outbound Workflow
AI is changing outbound, but it works best when it handles the repetitive work and leaves the human conversations to your team. A typical AI-assisted workflow looks like this: first, AI tools scan public data and intent signals to build a list of companies that match your ideal customer profile. Then, automated sequences reach out across email and LinkedIn with personalized messages based on each prospect's industry and role. When someone responds, AI qualification bots ask a few questions to confirm interest and budget before booking a meeting on your calendar. Your sales rep shows up prepared and focused on closing. Tirtuzza Studio is built around this model, but other agencies are adding AI layers too. The key is to keep a human in the loop for anything that requires judgment or relationship building.
The Bottom Line
Outbound is not optional anymore. If you wait for referrals and trade shows, your pipeline will always be unpredictable. The five agencies here each offer a different path to a steadier flow of qualified conversations. Zumo Marketing gives you a full-funnel partner with strong LinkedIn and ABM. Tirtuzza Studio specializes in AI-operated outbound for manufacturers and tech companies, with a focus on industrial sectors. SIETE brings regional depth in Latin America and Spain. Lead Fishers offers results-based pricing for teams that want volume. Martal Group provides experienced SDR teams for tech companies. Pick the one that matches your market, your budget, and how much of the process you want to hand off. Then start the conversation.