Comparison
Sopro Alternatives: Other Outbound Agencies to Consider in 2026
October 13, 2026 · 7 min read
Compare Sopro with Belkins, Callbox, Intelemark and JMS Elite by outreach approach, buyer fit and available pricing information for October 2026.
How to pick a tool
Sopro Alternatives: Other Outbound Agencies to Consider in 2026
Buyers considering Sopro can compare Belkins for standalone cold calling and prospect checks, Callbox for industry-tailored lead generation and appointment setting, Intelemark for identifying interested B2B prospects, and JMS Elite for technical products and committee-led buying cycles. Start with the work your sales team needs help completing, then compare scope, qualification and handover requirements.
By Rishabh Ambasta, Founder, Modern Inbound.
Agency comparison
| Brand | What it offers | Pricing |
|---|---|---|
| Sopro | Managed B2B outreach, with email and LinkedIn among the channels described on its pricing page. | Pricing starts at around £3K per month. |
| Belkins | Cold calling as a standalone service or within broader outreach, plus manual prospect checks against buyer profiles. | Pricing is not published on the pages we reviewed. Its pricing claim describes tools included in a retainer, rather than the retainer amount. |
| Callbox | Full-service appointment setting and B2B lead generation tailored to the buyer's industry. | Pricing is not published on the pages we reviewed. Its service page includes an annual team cost comparison rather than a campaign price. |
| Intelemark | B2B appointment setting or sales lead generation focused on identifying genuine prospects interested in the buyer's offering. | Pricing is not published on the pages we reviewed. Its call center article discusses outsourcing costs in India rather than an Intelemark campaign price. |
| JMS Elite | Experienced business development professionals for technical solutions, buying committees and extended sales cycles. | Pricing is not published on the pages we reviewed. |
How to choose
Build a comparison brief before asking agencies for proposals. Use the same target audience, sales objective and handover definition for each discussion. This makes it easier to assess the actual work included in a proposal and the responsibilities your internal team will retain. For a broader checklist, read how to evaluate a lead generation agency.
- Team size and responsibilities. Ask who researches accounts, writes messages, contacts prospects and manages the campaign. Request the roles assigned to your work and the expected availability of each person. Clarify who approves changes, who answers questions and who covers absences. Compare the agency's responsibilities with the time your sales and marketing staff can commit each week.
- Channels and audience fit. Decide which channels you want to evaluate and ask each agency to explain its proposed sequence. Check how the approach changes by buyer role, industry and geography. Request sample messages for your audience and review whether they explain a relevant business problem clearly. Use an ideal customer profile framework to keep the targeting brief consistent.
- Contract terms and total scope. Request a written breakdown of recurring fees, setup work, included tools and optional additions. Read the initial term, renewal process, cancellation notice and process for changing scope. Confirm which assets you can access when the engagement ends. Compare proposals over the same period so that different billing structures remain easy to assess.
- Reporting and review process. Ask for a sample report and a walkthrough of the measures it contains. Agree on definitions for contacted prospects, qualified leads, appointments and accepted opportunities. Decide how frequently you will review progress and who can approve changes. Request a clear connection between campaign activity, lead quality and the next action your sales team should take.
- Qualification and lead handover. Write down the requirements a prospect must meet before reaching your sales team. Specify the required account details, contact role, expressed interest and next step. Ask how that information reaches your CRM and who follows up after delivery. Check how your team can flag an unsuitable lead and provide feedback that improves future targeting.
Keep a short worksheet with one column per proposal and one row per requirement. Record specific answers, unresolved questions and the person responsible for each next step. If internal capacity is part of the decision, use the agency versus in-house SDR comparison to frame the staffing questions. Choose a scope your team can support after prospects arrive, including preparation, follow-up and ongoing feedback.
Sopro
Sopro's pricing page describes fully managed B2B outreach, ongoing optimisation, a dedicated account manager and a live reporting portal. It also describes email and LinkedIn outreach, alongside other campaign components. Buyers seeking managed outreach with an account contact and reporting access can include Sopro in their shortlist on that basis.
Sopro's sales resources connect a product or service with the customer's underlying problem. Its solution-selling guidance emphasises value over a detailed feature presentation. For buyers evaluating messaging, those resources provide a useful starting point for discussing the problem an outreach campaign should address. Ask prospective agencies to apply that problem and value statement to the same audience brief.
Belkins
Belkins offers cold calling as a standalone service or as part of a wider outreach campaign, with the approach tailored to growth goals and budget. Its cold email service describes manually checking prospects against buyer personas, including industry, role, challenges and buying signals. These capabilities make it relevant to buyers comparing phone outreach and the process used to select contacts for email campaigns.
The specific strength to examine is the connection between your buyer profile and contact selection: Belkins explicitly describes checking individual prospects against those profile attributes. Bring examples of suitable accounts and exclusion criteria to the evaluation. Ask how the proposal will reflect those criteria and request a clear price for the scope under discussion.
Callbox
Callbox describes a complete appointment-setting service covering account targeting through meeting handover. It also offers B2B lead generation and appointment setting adapted to the client's industry. Buyers who want agency support through the appointment stage can compare Callbox on those capabilities.
Industry adaptation is another reason to consider it when the target audience requires specific terminology or buying context: Callbox explicitly presents its lead generation and appointment setting as tailored to the industry. During evaluation, ask for examples relevant to your own product and buyer roles. Define the appointment acceptance criteria before comparing proposed campaign scope.
Intelemark
Intelemark sets appointments or generates B2B sales leads by identifying whether contacts are genuine prospects interested in speaking with the client's sales team and potentially buying its offering. Its lead generation approach addresses the business challenges prospects encounter with relevant information intended to encourage engagement.
This makes Intelemark relevant to buyers who want to examine prospect qualification and problem-focused messaging together. Its service page says qualification parameters are set by the client. Prepare those parameters in writing, including account fit, contact responsibility and the interest required for a handover. Ask how qualification details will be recorded for your sales team.
JMS Elite
JMS Elite provides experienced business development professionals for highly technical solutions, products sold to committees and sales cycles lasting six to eighteen months. Its stated focus is creating qualified sales pipeline beyond the initial meeting. Buyers with complex products or several stakeholders involved in purchasing can include it in their comparison on that basis.
For that buying situation, request a proposal that explains how the agency will learn the product, distinguish stakeholder roles and maintain continuity across the buying cycle. Decide what information your sales team needs at each handover. Keep the assessment centred on the practical work required to support your own sales process.
How we compared
This comparison is based on each company's own public pages as of October 2026.
We compared public service descriptions, pricing information and sales resources. Service scope and buyer fit are presented separately from general advice. Cost examples about staffing, industry averages and other outsourcing services are excluded from campaign pricing. Use the table to organise a shortlist, then request written proposals covering the same audience and deliverables.
FAQ
What starting price does Sopro publish?
Sopro says pricing starts at around £3K per month.
Can Belkins provide cold calling on its own?
Belkins offers cold calling as a standalone service or as part of a broader outreach campaign.
Which options describe B2B appointment setting?
Callbox offers B2B appointment setting tailored to the client's industry. Intelemark sets appointments or generates B2B sales leads by identifying genuinely interested prospects.
Which option addresses technical products and buying committees?
JMS Elite describes business development support for highly technical solutions, committee-led purchases and sales cycles lasting six to eighteen months.
How we researched this
Sources:
- belkins.io/cold-calling-services
- belkins.io/cold-email-services
- www.callboxinc.com/appointment-setting-lead-generation
- www.intelemark.com/services
- jmselite.com/pricing
- sopro.io/pricing
- belkins.io/pricing
- www.intelemark.com/blog/call-center-outsourcing-india-costs-benefits
- sopro.io/resources/blog/problem-selling-how-to-sell-the-problem-before-the-solution
- sopro.io/resources/blog/solution-selling-what-is-it-who-is-it-for-and-how-can-you-start-gaining-from-it
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Rishabh AmbastaFounder, Modern Inbound
Runs a research-led cold email agency measured in delivered replies. Before that, outbound for SaaS teams from $1M to $50M ARR. LinkedIn
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