--- title: "Stone Haven vs Alternatives: How B2B Teams Build Pipeline [2026]" description: "How Stone Haven" canonical: "https://stonehaven.capital/alternatives" last-updated: "2026-08-22" --- > How Stone Haven Stone Haven Capital Group Schedule a Call # Stone Haven vs Alternatives How a fully-managed outbound engine compares to the other ways B2B teams build pipeline - named agencies, outsourced SDRs, and in-house builds. Every breakdown is backed by Stone Haven's own published deliverability numbers. [Blog](https://stonehaven.capital/blog/)[Alternatives](https://stonehaven.capital/alternative/) | Metric | Stone Haven | [Belkins](https://stonehaven.capital/alternative/belkins-alternative/) | [CIENCE](https://stonehaven.capital/alternative/cience-alternative/) | [Martal Group](https://stonehaven.capital/alternative/martal-group-alternative/) | [SalesHive](https://stonehaven.capital/alternative/saleshive-alternative/) | [Cleverly](https://stonehaven.capital/alternative/cleverly-alternative/) | Callbox | Leadium | |---|---|---|---|---|---|---|---|---| | Core model | Booked, qualified calls | Appointment setting at scale | Managed GTM + SDR marketplace | Fractional SDR retainer | Productised SDR on own platform | LinkedIn-led lead gen | Monthly campaign pod | Managed appointment setting | | Published pricing | Quoted on a call | Packages listed, no rates | $2,000/mo + $499/mo platform | Three tiers, no rates | Three flat tiers, rates on a call | — | $15k-$30k/mo per pod | Quote only | | Setup fee | Scoped to the program | — | $5,000 one-time | — | None | — | Not published | Not published | | Minimum commitment | Program-scoped | — | Month to month | 3-4 month pilot | Month to month | — | A few months | Month to month | | Primary channel | Email-first, calls and DM layered | Email, LinkedIn, calling | Email, phone, digital | Email, LinkedIn, calls | Calling-led, email layered | LinkedIn-led | Phone-first multi-channel | Email-led multi-channel | | Sending infrastructure | 25-120 isolated domains, 200-610 inboxes | Not published | Not published | Not published | Not published | Builds and manages it | One bullet, no detail | Custom domains, DKIM/SPF/DMARC, warm-up | | Dedicated reps | Managed program team | — | SDRs via marketplace | 200+ onshore executives | US-based SDRs | — | Pod: SDR, manager, strategist | US-based SDR team | | Monthly send capacity | Up to 250,000/mo | — | — | 9,000-12,000/mo | — | — | Not published | Not published | | Deliverability data published | 98% inbox placement; 0.97% bounce across 231,347 sends | None; 32.92% engagement across 55,515 delivered | None denominated | Not published | Not published | None denominated | Bare rates, no denominators | Reporting stack only | | Terms visible before a sales call | No rates published | Package structures | Itemized rates and terms | Tier structure | Tiers, no setup fee, month to month | — | $15k-$30k/mo estimator | Terms, but no rates | Rival cells are quoted from each vendor's own published pages as of July 2026; a dash means the figure is not published. Stone Haven's numbers come from its own campaign reporting, with send counts attached. Detailed comparisons ## Read the full breakdown for each [Comparison](https://stonehaven.capital/alternative/memoryblue-alternative/) ### [memoryBlue: Why Teams Choose StoneHaven for Speed to Pipeline](https://stonehaven.capital/alternative/memoryblue-alternative/) [memoryBlue recruits and trains outsourced SDR teams. StoneHaven's warmed infrastructure books calls from the first send, with 445 sales calls in 25 days. Full comparison.](https://stonehaven.capital/alternative/memoryblue-alternative/) [Jul 28, 2026](https://stonehaven.capital/alternative/memoryblue-alternative/)[12 min read](https://stonehaven.capital/alternative/memoryblue-alternative/) [Comparison](https://stonehaven.capital/alternative/cleverly-alternative/) ### [Cleverly Alternative: Cold Email Out-Produced LinkedIn DM 8x Time-Adjusted](https://stonehaven.capital/alternative/cleverly-alternative/) [A 100,000-touch-per-channel study found cold email out-produced cold DM roughly 8x and cold calling roughly 40-50x on a time-adjusted basis, delivering its result in one day of sending against two months for DM and a full year for calling.](https://stonehaven.capital/alternative/cleverly-alternative/) [Jul 27, 2026](https://stonehaven.capital/alternative/cleverly-alternative/)[12 min read](https://stonehaven.capital/alternative/cleverly-alternative/) [Comparison](https://stonehaven.capital/alternative/saleshive-alternative/) ### [SalesHive Alternative: 532 Booked Calls in One Month](https://stonehaven.capital/alternative/saleshive-alternative/) [StoneHaven booked 532 sales calls in a single month, adding $379,000 in MRR, at up to 250,000 emails a month per program. Full SalesHive comparison.](https://stonehaven.capital/alternative/saleshive-alternative/) [Jul 26, 2026](https://stonehaven.capital/alternative/saleshive-alternative/)[13 min read](https://stonehaven.capital/alternative/saleshive-alternative/) [Comparison](https://stonehaven.capital/alternative/martal-group-alternative/) ### [Martal Group Alternative: 445 Booked Calls in 25 Days](https://stonehaven.capital/alternative/martal-group-alternative/) [StoneHaven's own engine booked 445 sales calls in 25 days and 532 in a month adding $379,000 MRR. Martal sells a fractional SDR retainer with a 3-4 month pilot.](https://stonehaven.capital/alternative/martal-group-alternative/) [Jul 25, 2026](https://stonehaven.capital/alternative/martal-group-alternative/)[12 min read](https://stonehaven.capital/alternative/martal-group-alternative/) [Comparison](https://stonehaven.capital/alternative/cience-alternative/) ### [CIENCE Alternative: 445 Booked Calls in 25 Days | StoneHaven](https://stonehaven.capital/alternative/cience-alternative/) [StoneHaven's own engine booked 445 sales calls in 25 days and 532 calls in a month adding $379,000 in MRR. That holds because bounce stays at 0.97% across 231,347 sends.](https://stonehaven.capital/alternative/cience-alternative/) [Jul 24, 2026](https://stonehaven.capital/alternative/cience-alternative/)[11 min read](https://stonehaven.capital/alternative/cience-alternative/) [Comparison](https://stonehaven.capital/alternative/best-appointment-setting-companies/) ### [Best Appointment Setting Companies 2026: Booked Meetings, Audited](https://stonehaven.capital/alternative/best-appointment-setting-companies/) [532 booked calls in one month and $379,000 in added MRR. Eight appointment setting companies ranked on the meetings they produce and the volume behind them.](https://stonehaven.capital/alternative/best-appointment-setting-companies/) [Jul 23, 2026](https://stonehaven.capital/alternative/best-appointment-setting-companies/)[23 min read](https://stonehaven.capital/alternative/best-appointment-setting-companies/) [Comparison](https://stonehaven.capital/alternative/best-cold-email-agencies-for-ai-companies/) ### [Best Cold Email Agencies for AI Companies: Ranked on Booked Meetings](https://stonehaven.capital/alternative/best-cold-email-agencies-for-ai-companies/) [Ranked on results. StoneHaven's published B2B SaaS program took booked meetings from 3-4 a month to 72 and reply rate from 1.1% to 2.5% at 120,000 sends a month.](https://stonehaven.capital/alternative/best-cold-email-agencies-for-ai-companies/) [Jul 22, 2026](https://stonehaven.capital/alternative/best-cold-email-agencies-for-ai-companies/)[18 min read](https://stonehaven.capital/alternative/best-cold-email-agencies-for-ai-companies/) [Comparison](https://stonehaven.capital/alternative/best-cold-email-agencies-for-saas/) ### [Best Cold Email Agencies for B2B SaaS 2026: Ranked on New ARR](https://stonehaven.capital/alternative/best-cold-email-agencies-for-saas/) [Ranked on results. $1M+ in new ARR and 432 qualified meetings in six months, with the full conversion chain published, then eight agencies measured against it.](https://stonehaven.capital/alternative/best-cold-email-agencies-for-saas/) [Jul 21, 2026](https://stonehaven.capital/alternative/best-cold-email-agencies-for-saas/)[18 min read](https://stonehaven.capital/alternative/best-cold-email-agencies-for-saas/) [Comparison](https://stonehaven.capital/alternative/best-cold-email-agencies/) ### [Best Cold Email Agencies 2026: Ranked by Booked Meetings and Pipeline](https://stonehaven.capital/alternative/best-cold-email-agencies/) [Eight cold email agencies compared on booked meetings, pipeline and deal size. StoneHaven's published programs booked 532 calls in one month and $38M+ in tracked pipeline.](https://stonehaven.capital/alternative/best-cold-email-agencies/) [Jul 20, 2026](https://stonehaven.capital/alternative/best-cold-email-agencies/)[22 min read](https://stonehaven.capital/alternative/best-cold-email-agencies/) [Comparison](https://stonehaven.capital/alternative/belkins-vs-cience-vs-martal/) ### [Belkins vs CIENCE vs Martal vs StoneHaven: Which Books More Pipeline](https://stonehaven.capital/alternative/belkins-vs-cience-vs-martal/) [532 calls booked in a month and $379,000 in new MRR. StoneHaven, Belkins, CIENCE and Martal compared on booked meetings, pipeline and volume, with every number sourced.](https://stonehaven.capital/alternative/belkins-vs-cience-vs-martal/) [Jul 19, 2026](https://stonehaven.capital/alternative/belkins-vs-cience-vs-martal/)[18 min read](https://stonehaven.capital/alternative/belkins-vs-cience-vs-martal/) [Comparison](https://stonehaven.capital/alternative/outsourced-sdr-vs-in-house/) ### [Outsourced SDR vs In-House: The Cost Line Everyone Gets Wrong](https://stonehaven.capital/alternative/outsourced-sdr-vs-in-house/) [Outsourced SDR runs $3,000-$14,000/mo vs $125K-$162K/yr in-house. The real cost line is isolated sending infrastructure. StoneHaven booked 445 calls in 25 days.](https://stonehaven.capital/alternative/outsourced-sdr-vs-in-house/) [Jul 18, 2026](https://stonehaven.capital/alternative/outsourced-sdr-vs-in-house/)[13 min read](https://stonehaven.capital/alternative/outsourced-sdr-vs-in-house/) [Comparison](https://stonehaven.capital/alternative/cold-email-agency-what-youre-buying/) ### [Cold Email Agency: What You're Actually Buying (and the 4 Numbers to Demand)](https://stonehaven.capital/alternative/cold-email-agency-what-youre-buying/) [Most cold email agency pitches hide the only metrics that matter. StoneHaven publishes 98% inbox placement and sub-1% bounce at 100,000+ sends a month. Here are the 4 numbers to demand.](https://stonehaven.capital/alternative/cold-email-agency-what-youre-buying/) [Jul 17, 2026](https://stonehaven.capital/alternative/cold-email-agency-what-youre-buying/)[13 min read](https://stonehaven.capital/alternative/cold-email-agency-what-youre-buying/) [Comparison](https://stonehaven.capital/alternative/belkins-alternative/) ### [Belkins Alternative: The Only B2B Outbound Agency That Publishes Its Deliverability Numbers](https://stonehaven.capital/alternative/belkins-alternative/) [Belkins runs multi-channel appointment setting and does not publish inbox-placement or bounce data. StoneHaven held 98% inbox placement and 2.82% bounce across 183,524 sends. Full comparison.](https://stonehaven.capital/alternative/belkins-alternative/) [Jul 16, 2026](https://stonehaven.capital/alternative/belkins-alternative/)[12 min read](https://stonehaven.capital/alternative/belkins-alternative/)