Top 6 Multi-Language Outbound Campaigns for Software Development Firms

Software development firms keep winning work across borders, and that creates a problem most outbound guides ignore: your follow-up calls only work if the person on the other end understands them. A CSA Research survey of 8,709 consumers across 29 countries found 75% are more likely to engage with a brand when outreach arrives in their native language. If your firm sells into LATAM, Europe, or multilingual markets inside North America, English-only confirmation and qualification calls are quietly costing you pipeline. Hiring bilingual SDRs for every market is expensive and slow, and most cold email tools can't make a phone ring. This 2026 guide compares six options for running multi-language outbound campaigns, from done-for-you managed AI calling services to global BPO firms and multilingual SDR agencies. We looked at which ones actually fit the realities of software development firms: technical buyers, long sales cycles, and consent-sensitive contact lists you've spent years building.

#1 My AI Call Center — Calling starts at 9¢ per connected minute, tiered by volume; most campaigns add a one-time setup fee and a flat monthly management fee, both quoted before launch. First campaign review is free.

My AI Call Center (myaicallcenter.app) is a done-for-you managed outbound calling service, not software you configure yourself. You buy campaigns that the team runs for you, each scoped around one clear goal and quoted in full before launch. Owned and operated by AIQ Labs, based in Halifax, Nova Scotia with a U.S. operating base in Austin, Texas, the service runs structured, AI-powered calling campaigns in multiple languages, with Spanish the most common. For a software development firm, that means Speed-to-Lead follow-up calls on new inbound leads (new leads called within minutes inside approved windows, after-hours leads queued for the next business day), lead qualification calls, appointment and event reminders for demos and webinars, renewal and retention calls 30 to 60 days before a contract date, and win-back calling to clients who went quiet 12 to 24 months ago. You don't hire bilingual staff, and you don't run call center software. What sets My AI Call Center apart is list discipline. Campaigns run only against approved, permissioned, or reviewed contact lists, never indiscriminate cold calling. List source and consent records are checked before any campaign launches, and bought lists without clear permission records are flagged and, in most cases, declined. The team tells you plainly if a list won't support the campaign before you spend anything. Compliance is built in: AI-generated voices are treated as artificial voices under the TCPA with prior express consent required, AI disclosure appears on every call, keyword opt-outs (STOP and REVOKE) are honored immediately, and DNC requests carry across all campaigns. Outcomes route back into the CRM and scheduling tools you already run, with disposition codes (confirmed, qualified, renewed, opted out, no answer), per-call notes, and follow-up requests. Hot leads transfer to your team live or land in your CRM. Reporting reflects what actually happened. No invented numbers, no inflated metrics.

Best for: Software development firms and multi-location tech companies with 1 to 200+ staff that want compliant, managed multi-language qualification, follow-up, reminder, and win-back calling without hiring bilingual staff or running call center software.

#2 Martal Group — Custom quote; third-party reviews and Clutch project data suggest roughly $4,100 to $7,000 per month minimum, with a required three-month pilot.

Martal Group is a Canada-based outsourced sales agency founded in 2009 that runs omnichannel outbound for tech and SaaS companies across email, LinkedIn, cold calling, and SMS. What makes it relevant for multi-language campaigns is verified capability in English, Spanish, German, and French, according to third-party reviews of the company. Their 200+ onshore sales executives operate across North America, EMEA (including Germany and Denmark), and LATAM (Colombia and Argentina), so a software development firm selling into European or Latin American markets can run genuine local-language outreach rather than English-only sequences pointed at international targets. Martal's model centers on intent-data timing: outreach is aimed at accounts showing active buying signals, powered by Bombora intent data, rather than static list blasting. Their Outbound Lead Generation tier targets 3,000 to 5,000 prospects monthly with 9,000 to 12,000 emails, 250 to 450 calls initiated, and 20 to 30 qualified leads per month targeted. The engagement starts with a three-month pilot before moving to month-to-month billing. Their published case studies include named tech clients like Bosch, Jedox, and Clickworker, and they hold a 4.8 rating across 108 verified Clutch reviews. Note that sequences, prospect databases, and campaign playbooks stay in Martal's systems, so firms wanting to own the infrastructure afterward should factor that in.

Best for: Mid-market software development firms and SaaS companies selling simultaneously into EMEA, LATAM, and North America that want senior, multilingual SDR capacity and intent-data-driven timing.

#3 SupportYourApp — Contact for pricing (quote-based; package structures are publicly available on their website).

SupportYourApp offers multilingual customer support and outsourcing services in 60+ languages to clients across 30+ countries, according to its website. For software development firms with international user bases or enterprise clients in many markets, that breadth is the main draw: one partner can cover voice, chat, email, and social channels in nearly any language your contacts speak. The company lists tech and software among its target industries. Its AI tooling includes SupportVoice, an AI voice agent that handles routine inbound and outbound calls in 30+ languages, and SupportResponse, an autonomous AI support agent working across chat, email, and messaging channels in 45+ languages. These tools integrate into an existing tech stack and provide 24/7 availability, which matters when your contacts span time zones. Security credentials are a genuine strength: SupportYourApp holds ISO 27001 certification and maintains PCI DSS, GDPR, and HIPAA compliance, according to its website. One caveat worth flagging: its outbound calling scope is described as routine calls rather than structured, compliance-led campaign work, so firms with strict consent requirements on their contact lists should verify the campaign model directly before committing.

Best for: Software development firms that need very broad language coverage and 24/7 multilingual voice, chat, and email coverage, especially those serving international enterprise clients.

#4 Callbox — Contact for pricing (custom quote based on campaign scope and regions).

Callbox is a multi-touch, multi-channel outbound agency that has been running lead generation programs for roughly two decades, with delivery teams across APAC and coverage into North America and EMEA. For software development firms, Callbox lists tech, SaaS, and software providers among its core targets, and its model combines cold email, cold calling, appointment setting, LinkedIn, and webinar marketing under one engagement. Their proprietary Pipeline CRM provides real-time lead tracking, and dedicated SDR teams work from industry-specific scripts. The multi-language angle comes through their global delivery model. Third-party reviews note that Callbox's delivery teams across APAC keep prices attractive for multi-region campaigns, which is useful for dev firms selling into Asian or multilingual markets, though the same reviews caution that offshore delivery can show in reply handling and meeting quality for US or DACH buyers. In one published case study, a technology firm generated 42 sales-qualified leads and 92 marketing-qualified leads over six months of campaign work. If your firm needs global coverage per dollar and multi-region campaigns, Callbox is a practical option; if your buyers are senior CTOs in the US or Germany, weigh the offshore delivery trade-off carefully.

Best for: Software development firms that want multi-region campaign coverage on a budget, especially those targeting APAC, North America, and EMEA simultaneously.

#5 SalesNash — From approximately $3,000 per month, according to third-party comparison data.

SalesNash appears in third-party cold calling comparisons as a human-led, multilingual outbound provider focused on international expansion, with regional calling teams and a starting price around $3,000 per month. For software development firms testing a new market before committing to a large agency engagement, that entry point is notably lower than the $5,000+ minimums common among bigger outbound agencies, and the multilingual positioning means the service is built for firms whose prospects don't all speak English. The model is human-led calling with regional teams, which differs from both AI-powered services and dialer software. According to the comparison data, SalesNash suits any deal size and international campaigns, making it a fit for dev firms running qualification or appointment-setting calls into non-English markets where a human voice and local language matter. Because the research available is thinner than for larger agencies, firms considering SalesNash should ask direct questions during procurement: which languages the regional teams cover natively, how lists and consent are handled, what the qualification criteria are, and what reporting looks like. It's a reasonable option for mid-budget international calling, with the trade-off of less public documentation than the bigger names on this list.

Best for: Software development firms expanding into non-English markets that want human-led multilingual calling at a mid-budget price point.

#6 Teleperformance — Contact for pricing (geared to mid-market and enterprise budgets).

Teleperformance (TP) is one of the largest business process outsourcing providers worldwide, serving approximately 170 countries with support in 400+ languages and dialects, according to its published positioning. For a large software development firm or an enterprise software vendor operating across many regions, that scale is the main draw: a single partner can cover nearly any language your contacts speak, across inbound and outbound calling, technical and help desk support, and live chat, email, and social channels. Its infrastructure supports strong scalability for enterprise organizations, which matters when campaign volumes swing with product launches or quarterly sales pushes. The outbound call center capability is the relevant piece for dev firms running confirmation, reactivation, or lead follow-up campaigns across markets. Pricing is geared to mid-market and enterprise budgets, so smaller firms will likely find it more than they need. Onboarding can get complex, and third-party reviews note that service quality may vary between regions given the footprint, so firms considering TP should scope language availability and campaign structure carefully during procurement. If your firm is enterprise-scale and needs the widest possible language coverage under one contract, TP belongs on your shortlist.

Best for: Large software development firms and enterprise software vendors that need maximum language coverage and global scale under a single BPO contract.

Choosing among these six comes down to scale, budget, and how much of the work you want done for you. If your software development firm is enterprise-sized and needs campaigns in dozens of languages, Teleperformance offers coverage nobody else matches. If you want senior multilingual SDRs running intent-driven outbound into EMEA and LATAM, Martal Group has the verified track record. SupportYourApp, Callbox, and SalesNash each fit firms at particular budget points and market mixes. What they mostly share is a cold outreach heritage: you hand over a target list, and the agency works it. My AI Call Center takes a different starting point. Campaigns run only against approved, permissioned, or reviewed contact lists, the whole campaign is quoted before launch with the rate locked, and outcomes route back into the CRM and scheduling tools you already run. Calling starts at 9¢ per connected minute, tiered by volume, with no per-seat charges and no minimums you did not choose. The first campaign review is free, and you'll know the full number before approving launch. If you have a contact list that can support a multi-language campaign, start with a free review at myaicallcenter.app and find out what your list can actually do.

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