Building a Great B2B Sales Team is Hard. It’s slow, incredibly expensive, and one bad hire can set you back months. You spend a fortune on salaries, software, and training, all while your competitors are seemingly everywhere, snapping up market share. You need a predictable pipeline, but the path to getting one feels anything but.

What if you could skip the hardest parts?

That’s where B2B sales outsourcing comes in, bringing in a special forces team for your sales efforts with a group of specialists who already have the training, tools, and playbook to start delivering results from day one. They handle the gritty work of finding leads, setting appointments, and warming up prospects, so your reps can focus on what they do best – closing the deal.

But when you start looking for a B2B sales outsourcing partner, you’re faced with a crowded field. How do you pick the real players from the pretenders?

Here at Marketboats, we’ve spent over a decade in the trenches of B2B lead generation. We’ve seen what works, what doesn’t, and which companies truly deliver. So, we decided to put together a guide to the best sales outsourcing companies in the U.S. to help you make the right call for 2025.

What Makes a Great Sales Partner?

Before we jump into the list, let’s talk about what “good” looks like to us. When we evaluated these firms, we weren’t just looking at fancy websites but focusing on real substance.

• A Real Track Record: Do they have a history of success with companies like yours? We looked for genuine client reviews and case studies that showed they could move the needle.
• A Smart Approach: Anyone can blast out a thousand emails. The best B2B sales service providers use smart tech, data, and a human touch to connect with the right people at the right time.
• Flexibility: Your business isn’t a cookie-cutter template, so your sales strategy shouldn’t be either. We prioritized companies that offer industry-specific B2B sales outsourcing and can adapt as you grow.
• Transparency: You should know exactly what you’re paying for and what results to expect. No black boxes or vague promises. This is especially true when looking at sales outsourcing pricing in the US.

The Top 11 B2B Sales Outsourcing Companies in the U.S.

Here are the companies that consistently impress us with their results, innovation, and client focus.

1. MarketBoats

Full transparency: we’re putting ourselves at the top. Why? Because we live and breathe this stuff, and we’ve built the company we’d want to hire ourselves. We’re obsessed with the top of the funnel, i.e., the critical, foundational work of generating high-intent leads that your sales team will be excited to call. For companies deep in the world of B2B SaaS sales outsourcing, our tech focus is our superpower.

• Our Sweet Spot: We specialize in pipeline generation services through smart content syndication and account-based marketing. We find you people who are actively looking for a solution like yours.
• What Makes Us Different: We guarantee 90% lead accuracy, so your team stops wasting time on dead-end calls. Our proprietary playbook, the IITM™ Methodology, and our intent data tool, LeadsEye™, help us deliver engagement rates that are consistently 60% higher than the industry average. We’re also ISO 27001-certified, so you know your data is secure.
• Who We Help: We’re the perfect fit for tech and SaaS companies that are ready to scale and need a reliable engine for high-quality leads.

2. Belkins

What we admire about Belkins is their absolute mastery of appointment setting. These guys are killers at writing emails so personal and relevant, you’d swear they were handcrafted just for you. They boast a stellar 4.9/5 rating on Clutch for a reason.

• Their Superpower: Hyper-personalized outreach that gets meetings with hard-to-reach executives.
• Best For: Teams that have their closing process dialed in and just need their calendars filled with qualified conversations.

3. Callbox

Callbox has been in the game for a long time, and they’ve perfected a multi-channel approach. They don’t just rely on email but integrate phone, social media, and chat to connect with prospects wherever they are.

• Their Superpower: A true multi-touchpoint strategy with a global reach.
• Best For: Larger companies that need a comprehensive, international campaign to make an impact.

4. CIENCE Technologies

If you need to scale your outbound sales efforts and we mean really scale, CIENCE has the manpower and the process to do it. They provide dedicated outsourced sales teams for B2B that can become an extension of your company.

• Their Superpower: Massive scale and a highly structured process for outbound sales outsourcing.
• Best For: Businesses looking to quickly build a large SDR function without the headache of hiring.

5. EBQ

EBQ looks at the bigger picture. They understand that sales don’t happen in a vacuum, so they offer services that span marketing, sales, and even customer success.

• Their Superpower: A “full-funnel” approach that ensures a smooth customer journey from lead to loyal advocate.
• Best For: Companies that want a single partner to help connect the dots across their entire revenue team.

6. JumpCrew

JumpCrew is an interesting hybrid, blending digital marketing savvy with sales execution. They can help you generate demand with SEO and paid ads, and then provide the team to convert that demand into customers.

• Their Superpower: Fusing marketing and sales into one cohesive, revenue-driving machine.
• Best For: Businesses that need help with both generating and converting leads.

7. Martal Group

For complex B2B tech and SaaS products, you need a team that speaks the language. Martal Group specializes here, providing North American sales talent that understands technology and can talk shop with CTOs and VPs of Engineering.

• Their Superpower: Deep expertise in the technical B2B sales cycle.
• Best For: Tech companies with a complex product that requires a more nuanced sales conversation.

8. MarketStar

When the biggest names in tech like Google & Microsoft need to manage their sales channels, they often turn to MarketStar. This firm is a heavyweight in enterprise sales outsourcing.

• Their Superpower: Managing complex, large-scale direct and partner sales channels.
• Best For: Global enterprises that need a strategic partner to run major sales programs.

9. MemoryBlue

MemoryBlue has a smart model for B2B inside sales outsourcing. They provide top-notch SDRs to generate pipeline, but they also offer a “try-before-you-buy” option, allowing you to hire the reps who perform best for your team.

• Their Superpower: Acting as both a lead gen engine and a talent pipeline for your future sales stars.
• Best For: Companies that need leads now but also want to build their in-house team over time.

10. SalesRoads

SalesRoads is all about quality and professionalism, with a focus on US-based appointment setting. Their reps are highly trained and excellent at representing premium brands in conversations with C-level executives.

• Their Superpower: A domestic, highly polished team for making a great first impression.
• Best For: Businesses that want a high-touch, professional outreach team based in the U.S.

11. Acquirent

If you need a team to manage the entire sales process, from the first call to the final signature, Acquirent is a strong choice. They are pros at navigating long, complex sales cycles.

• Their Superpower: Handling the full, end-to-end sales process, especially for large enterprise deals.
• Best For: Companies looking to outsource their entire sales function or need expert closers.

Is Outsourcing Your Sales the Right Move for 2025?

The playbook from a few years ago is already outdated. Here’s why partnering up makes more sense than ever.

First, the cost of hiring an in-house rep now hovers between $80k and $120k a year when you factor in everything. Outsourcing turns that massive, fixed cost into a more manageable, predictable operating expense.

Second, the tech landscape is changing fast. You must think about:

• Generative AI: The secret isn’t just using AI; it’s about using it to sound more human and less robotic. The right partner knows how to use these tools for personalization that works.
• Data Privacy: Navigating compliance and data privacy in B2B sales outsourcing is a minefield. Working with an ISO-certified partner means you’re covered.
• Real-Time Intent: The biggest shift is knowing who is ready to buy right now. Our LeadsEye™ tool, for example, helps us spot companies actively researching solutions, allowing us to reach out when the timing is perfect.

So, What’s Your Next Move?

Finding the right partner isn’t just about offloading work but finding a team that genuinely clicks with your mission and can become a core part of your growth story. We hope this guide helps you understand the landscape and figure out how to choose a B2B sales outsourcing partner that’s right for you.

If our no-nonsense, results-driven approach to filling the top of your funnel resonates with you, let’s talk. No hard sell, just a real conversation about your pipeline and whether we can help.

Ready to see what a predictable pipeline feels like? Contact us to schedule a quick demo to see our process in action or to start a no-pressure conversation about your goals.