Your B2B buyers don't want a pitch. They want answers, fast. Here are five outsourced call centre partners built to deliver exactly that.
The State of B2B Call Centre Outsourcing
B2B buyers have changed. A Salesforce survey cited by Global Response found that 59% of B2B buyers prefer to research online rather than talk to a rep they suspect of pushing sales. That shifts the job of an outsourced call centre. You're no longer buying dials. You're buying trust, retention, and operational consistency across channels.
The market has responded with range. Some providers lean on nearshore and offshore footprints to cut cost. Others build CX consulting, AI data operations, and back-office support around the phone line. Pricing models vary just as widely, from per-minute to per-agent to custom programs.
For a US business, the practical question is fit. Do you need inbound support, outbound prospecting, win-back campaigns, or all three? The five providers below answer that question differently, and that's the point.
How We Evaluated These Providers
We looked at the same factors for every provider. Service scope came first: does the provider cover inbound, outbound, retention, and support, or only one slice? Next was channel and language coverage, since B2B programs rarely live on voice alone.
We also weighed operational transparency. Published locations, compliance signals like HIPAA and PCI mentions, and clear industry pages all count. Pricing clarity mattered too, even when the answer was simply "request a quote."
Finally, we considered US market fit and how easy the provider makes it to understand what you're buying. M2Xcel stood out for a focused corporate B2B positioning. Global Response stood out for branded, industry-specific programs. OnBrand24 stood out for breadth and multilingual reach. PCS Connect stood out for bundled marketing and office support. Helpware stood out for revenue-team alignment and global delivery hubs.
Here's the short version. Five providers, five different shapes of B2B call centre support. Scan the summaries, then dig into the details that match your program.
| Provider | Best For |
|---|---|
| Global Response | Branded, multi-industry B2B programs |
| M2Xcel | Focused outsourced sales and retention |
| OnBrand24 | Multichannel and multilingual coverage |
| PCS Connect | Bundled telemarketing and office support |
| Helpware | Revenue teams needing fast, scalable capacity |
The Five Providers in Detail
#1 Global Response
A screenshot of the Global Response website.
Global Response treats B2B support as a brand problem, not just a queue problem. Its B2B call center page opens with buyer research and builds toward a branded approach across channels and industries. You get a wide menu: retention, sales, omnichannel support, multilingual service, quality assurance, and back-office support. Delivery spans the US, Mexico, Philippines, South Africa, and Tunisia, which gives you nearshore and offshore options under one roof. Compliance signals like HIPAA and PCI compliant call center pages make it easier to vet for regulated work. See the full scope at https://www.globalresponse.com/industries/b2b-call-center/.
#2 M2Xcel
A screenshot of the M2Xcel website.
M2Xcel keeps its pitch narrow and corporate: a B2B call-centre solution for professional communication and operational support. The focus is outsourced sales, customer retention, and customer support, which maps cleanly onto the three jobs most B2B teams struggle to staff. That makes it a natural fit if you want one partner for revenue-adjacent conversations rather than a sprawling menu. The site is early-stage and light on detail, so expect to do more discovery on scope, pricing, and reporting before you commit. Start with the homepage at https://m2xcel.com/ and ask direct questions about agent profiles and SLAs.
#3 OnBrand24
A screenshot of the OnBrand24 website.
OnBrand24 positions itself around CX-focused outsourcing built on trust, empathy, and consistency. The service list is long: inbound, outbound, technical support, multilingual call centers, chat and email, back-office support, data cleansing, and customer win-back. That breadth helps if your B2B program touches multiple channels and you'd rather consolidate vendors. Multilingual coverage and 24/7 staffing options are called out directly, which suits global accounts. Explore the offering at https://www.onbrand24.com/b2b-call-center-services.
#4 PCS Connect
A screenshot of the PCS Connect website.
PCS Connect bundles call centre work with the marketing and office support around it. You'll find inbound and outbound service, order taking, virtual assistants, appointment setting, lead generation, market research, and social media marketing in one catalog. That's useful for smaller B2B firms that want telemarketing plus the back-office pieces that feed it. Industry pages cover property management, insurance, law firms, HR, and real estate, so niche fit is easy to check. The trade-off is a busier menu that takes more scoping. Review the details at https://www.pcsconnect.us/call-center-services-for-business-to-business-companies/.
#5 Helpware
A screenshot of the Helpware website.
Helpware frames B2B call centre services around revenue teams, which is a sharper angle than generic support. The promise is a trained team plugged into your sales and customer workflows in weeks, with capacity that scales as demand grows. Delivery runs across the US, Mexico, Uganda, Philippines, Ukraine, and Georgia through a hub-and-spoke model, and the company cites 20 to 40% savings on call center costs. Adjacent capabilities include CX consulting, AI data annotation, and back-office operations. See the revenue-focused pitch at https://helpware.com/cx/services/b2b-call-center-services.
How to Pick the Right Partner
Start with the job, not the vendor. Write down whether you need inbound support, outbound prospecting, retention and win-back, or a mix. Then match that list against each provider's published scope.
Next, pressure-test delivery. Ask where agents sit, what languages they cover, and how quality assurance actually works. If you're in a regulated space, confirm compliance credentials early rather than late.
Finally, get specific on commercials and reporting. Ask for per-agent or per-minute math, ramp timelines, and a sample dashboard. A provider that answers those questions clearly before the contract is usually the one that communicates well after it.
Where Automation Fits
Automation won't replace your call centre partner, but it will change what you ask of them. Route simple qualification and order-status questions to chat and self-service so agents spend time on conversations that need judgment.
Feed call outcomes into your CRM automatically, then trigger follow-up sequences from those signals. Use win-back and retention campaigns to re-engage accounts that went quiet, and let agents handle the replies.
Track first-contact resolution, handle time, and pipeline influenced by source. Review those numbers monthly with your provider and adjust routing rules. That loop is where outsourced capacity starts compounding.
The Bottom Line
There's no single winner here, because B2B call centre needs aren't uniform. If you want a focused partner for outsourced sales and retention, M2Xcel is worth a serious conversation. If you need branded, multi-industry programs with global delivery, Global Response covers more ground. OnBrand24 suits multichannel and multilingual work, PCS Connect fits firms that want telemarketing plus office support, and Helpware appeals to revenue teams that need speed.
Pick based on the job you're outsourcing, then verify scope, compliance, and pricing in writing. Do that, and the phone line becomes an asset instead of a cost center.