Sales Development
Kayla Tait
November 9, 2026
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SaaS outbound has become harder. Buyers research alone, shortlist early and expect the first conversation to be useful. 6sense's 2025 research found buyers make first contact with sellers 61% of the way through their buying process, and they evaluate about five vendors along the way.
That leaves a SaaS SDR with less room for generic sequences. The rep has to understand the product, the ICP and the trigger that makes a prospect care this quarter. Building that capability in-house is slow. Salesforce research found sales reps spend 70% of their time on non-selling tasks, and every hour an AE spends prospecting is an hour away from live deals.
An SDR agency for SaaS gives you trained reps, data, tooling and management without a six-month hiring and ramp cycle. The models differ a lot. Some agencies place a rep inside your team. Others run the whole outbound function. A few charge per meeting. This list focuses on outsourced SDR services for SaaS and B2B tech. If you want a wider view that includes inbound, ABM and SEO partners, see our list of the best B2B lead generation agencies for SaaS companies.
Alt text: Whistle homepage, an SDR agency for SaaS teams offering placed and fully managed SDRs
Whistle is a B2B sales development company built for SaaS and tech teams that need more qualified conversations. It is fully remote, so its SDRs work the hours your buyers work. Over 350 companies trust Whistle, its SDRs book 14,000 meetings a year, and its programmes have generated over $1B in pipeline.
Whistle works in two ways. Hire SDRs places a vetted sales development rep inside your team. Whistle hires just 1 in every 500 candidates, its SDRs have 5+ years of sales experience on average, and you can be matched with a vetted SDR in as little as 24 hours and have them placed within 5 days. You manage the rep day to day, on month-to-month contracts.
Outsourced SDR is the done-for-you option. It includes an SDR team, a customer success manager, a team lead, messaging, multichannel sequences, contact data, a reporting dashboard and CRM support. The programme goes live in 10 business days, first meetings typically follow two to three weeks after launch, and your AEs keep the closing.
Services: SDRs available for hire, outsourced SDR programmes, cold calling, cold email, LinkedIn outreach, contact data, pipeline generation, RevOps for HubSpot.
Best for: SaaS teams with a defined offer that need either one experienced rep or a full outbound function without building it from scratch.
Pricing: Pricing depends on scope.
Alt text: memoryBlue homepage describing dedicated outsourced SDR services for B2B technology firms
memoryBlue is headquartered in Tysons, Virginia, and lists offices in Waltham, Austin, Dallas, Denver, London and Singapore. Its SDR services give each client dedicated reps who work only on that account, a delivery manager and a live reporting portal. The firm says it serves B2B technology and professional services companies exclusively, and that 85% of the meetings it books come from the phone. You can also move a rep onto your own payroll.
Services: SDR services, ADR services, AE services, B2G lead generation, sales training, recruitment.
Best for: B2B tech firms that want dedicated, phone-led SDRs with the option to hire them later.
Pricing: Not published. memoryBlue offers a fixed-fee model, a pay-for-performance model or a hybrid of the two.
Alt text: Belkins homepage advertising B2B appointment setting and outsourced SDR services
Belkins was founded in 2017 and lists offices in Delaware, Colorado, Illinois and London. Its outsourced SDR service recruits, trains and manages a dedicated SDR unit around your ideal customers, and it runs a SaaS appointment setting programme built on email, calling and LinkedIn. Belkins says it has helped clients generate over $2B in revenue since 2017. It is a general B2B agency with a SaaS practice, so check its SaaS case studies against your segment.
Services: Appointment setting, cold email, cold calling, LinkedIn lead generation, lead research, account-based marketing, outsourced SDRs.
Best for: B2B and SaaS teams that want booked meetings across several channels on a monthly retainer.
Pricing: Monthly retainer packages. Belkins lists an average starter price "from $5,000".
Alt text: SalesRoads homepage showing its phone-first outsourced SDR and appointment setting services
SalesRoads is based in Boca Raton, Florida. Its outsourced SDR services put a managed, coached team of SDRs on your account, with phone at the centre of the outreach. It has a dedicated SaaS practice and says it invests more in SDR training than any other company in the industry. Contracts carry no long-term commitment.
Services: Appointment setting, lead generation, SDR outsourcing, inbound appointment setting, account reactivation, outbound calling, outbound email, list building.
Best for: SaaS teams that want a fully managed, phone-led SDR department.
Pricing: SalesRoads lists starting prices on its service pages. Request a written quote for your scope.
Alt text: Martal Group homepage for B2B lead generation and sales outsourcing for technology companies
Martal Group lists offices in Oakville, Ontario, San Francisco and Uniondale, New York. It says it has exclusively served B2B technology companies for over a decade and that it has sourced leads for SaaS, IT services and IoT vendors. Clients choose fractional, full-time or enterprise team structures, and Martal says its senior-led teams can handle everything from first outreach to close.
Services: Outbound lead generation, B2B appointment setting, cold email, cold calling, LinkedIn lead generation, sales outsourcing, sales training.
Best for: B2B tech firms that want outbound prospecting with the option of closing support.
Pricing: Flat monthly fee after a pilot, with commission on higher tiers. No figures published.
Alt text: LevelUp Leads homepage offering fractional and full-service SDRs for SaaS companies
LevelUp Leads says it is based in California and runs as a fully remote team. Its fractional SDR package lets a smaller team buy part of an SDR's time before committing to a full-time programme, and it has a dedicated SaaS lead generation offer. LevelUp says clients get an entire team and tech stack along with the SDR.
Services: Appointment setting, full-service SDRs, fractional SDRs, cold calling, list building, email outreach, GTM strategy.
Best for: Early-stage and smaller SaaS teams that want part-time SDR capacity before hiring full-time.
Pricing: Packages start at $5,000, with a three-month initial commitment and month-to-month terms after that.
Alt text: Punch! homepage describing signal-informed SDRs and outsourced ABM for SaaS companies
Punch! is registered in England and has teams in London, New York and Johannesburg. Its human SDR service combines outreach with intent signals and outsourced ABM, so reps prioritise accounts that are showing buying activity. For SaaS clients, Punch! offers dedicated SDRs, a sales development manager and a client success manager.
Services: Human SDRs, AI-assisted outreach, priority intent signals, relationship nurture, outsourced ABM.
Best for: SaaS teams selling into the US and Europe that want SDRs working alongside ABM and intent data.
Pricing: Not published. The human SDR service runs as a 90-day rolling managed service.
Alt text: Profitbl homepage offering senior Europe-based SDRs for B2B SaaS companies
Profitbl is based in Strassen, Luxembourg. Its outsourced SDR service for B2B SaaS embeds senior SDRs into your go-to-market team, and the company says all of its SDRs are Europe-based senior professionals. Profitbl also offers an end-to-end option that adds an account executive to close deals.
Services: SDR as a service, end-to-end sales, lead generation, prospecting, appointment setting, cold email, cold calling, LinkedIn outreach.
Best for: SaaS firms selling into Benelux, France, Germany and the UK that want senior, multilingual SDRs.
Pricing: Not published as figures. Profitbl offers a retainer with commission, a fixed fee per qualified meeting, or a revenue share when it closes deals.
Alt text: Konsyg homepage describing on-demand global SDR teams
Konsyg was founded in Singapore in 2017 and lists offices across the Americas, APAC and EMEA, including Austin, New York, London and Berlin. Its outsourced SDR teams cover pipeline development, account-based marketing and channel sales development, and Konsyg says it deploys trained SDRs in under 10 days. It runs a dedicated SaaS sales execution offer.
Services: SDR pipeline development, on-demand sales teams, account-based marketing, channel sales development, cold calling, cold email, LinkedIn lead generation.
Best for: SaaS firms entering several regions that need multilingual SDR teams quickly.
Pricing: Tiered plans on fixed blocks of three to six months. No figures published.
Alt text: Inside Global homepage for multilingual appointment setting and on-demand SDR teams
Inside Global was founded in London in 2010 and lists offices in Liverpool, North Carolina and APAC. It says it has helped B2B technology companies grow revenue for over a decade, and it sells on-demand SDR teams alongside appointment setting, MQL generation and multilingual outreach. Most of its site speaks to B2B tech in general, so ask for SaaS examples that match your deal size.
Services: Appointment setting, B2B lead generation, lead nurture and closing, data and reporting, multilingual services, MQL generation, on-demand SDR teams.
Best for: Enterprise tech vendors that need multilingual EMEA coverage or extra SDR capacity for peak periods.
Pricing: Not published. Request a quote.
An SDR agency for SaaS takes over the top of your outbound funnel. It builds target account lists from your ICP, researches the right people inside each account, writes and tests messaging, and runs sequences across phone, email and LinkedIn. When a prospect shows interest, the SDR qualifies them against your criteria and books a meeting with your AE.
A good SDR agency for SaaS also logs every touch in your CRM, reports on meetings held as well as meetings booked, and feeds objections back to your product marketing team. What they should never do is close the deal for you or promise a fixed revenue number. The meeting is the handover point.
Most providers on this list do not publish full pricing, and the ones that do use different models. You will see monthly retainers, fixed fees per qualified meeting, fractional packages and revenue shares. A published starting price rarely includes everything, so ask every SDR agency for SaaS on your shortlist what the fee covers: data, tools, management, reporting and replacement reps.
Compare the quote against the cost of hiring. The Bridge Group puts median SDR on-target earnings at $80K, split $55K base and $25K variable, before tools, management and recruiting. Our breakdown of the cost of an in-house SDR team puts the fully loaded first-year figure at $125,000 to $165,000 for one US-based SDR.
Start with the gap you are filling. A team with a tested playbook needs capacity. A team without one needs strategy as well as reps. Use these checks to compare SDR agencies for SaaS side by side.
If you have sales leadership, messaging and tools, a placed or fractional SDR may be enough. If you need the people, data, sequences and reporting run for you, look for a fully managed programme. Our guide to freelance SDRs versus an outsourced SDR team covers the trade-offs in detail.
Ask each SDR agency for SaaS for campaigns that targeted the same buyer role, deal size and sales cycle as yours. A team that books meetings with HR leaders at mid-market companies may struggle with security buyers at enterprises. Ask who will work your account and what they have sold before.
Put the definition in the contract before launch: company fit, buyer seniority, a stated problem and agreement to discuss it. Decide how no-shows, reschedules and rejected meetings are counted. This one clause prevents most disputes.
Ask who owns the contact lists, sending domains, sequences and call recordings, and what you keep if you leave. An agency that sends from its own domains can take your sender reputation with it.
Calls and emails sent tell you effort. Ask for meetings held, AE acceptance rate, opportunities created and pipeline sourced, broken down by segment and channel. Weekly reporting with a monthly review is a sensible minimum.
The average in-house SDR takes three months to ramp. An SDR agency for SaaS should show you a realistic plan for list building, messaging approval and domain warm-up, and tell you when first meetings typically arrive.
Look at minimum terms, notice periods, pilot options and what happens if a rep underperforms. A short pilot with agreed success measures protects both sides.
A SaaS startup should outsource SDRs once it has a clear ICP, a few closed customers and a message that gets replies when the founder sends it. Before that point, founder-led outbound teaches you who buys and why. After that point, an SDR agency for SaaS or a placed SDR frees the founder to sell instead of prospect.
The Bridge Group reports that only 60% of SDRs hit quota, the lowest figure in the study's history. A first in-house SaaS SDR without a playbook or manager often lands in the other 40%. A fractional SDR or a short managed pilot is a cheaper way to test outbound before you commit headcount.
Outsourcing before product-market fit. An agency can scale a message that works. It cannot fix an offer buyers do not want.
Leaving "qualified meeting" undefined. If the contract only counts booked meetings, you will pay for calendar invites. Define qualification and attendance in writing.
Judging on activity volume. Thousands of emails mean little if the right accounts are not replying. Track meetings held, AE acceptance and opportunities created per SaaS SDR.
Ignoring data and domain ownership. Agree upfront what you keep at the end of the contract, including lists, sequences and sending domains.
Expecting meetings in week one. List building, messaging approval and domain warm-up take time. Plan for a ramp period and judge the programme on its first full quarter.
SaaS teams come to Whistle at two stages. Some already have a playbook and need another experienced rep. Others need the whole outbound function run for them while their AEs focus on closing. If you are still building your outbound process, our B2B SaaS sales playbook is a good place to start.
If you can manage a rep, SDRs available for hire can be matched in as little as 24 hours and placed within 5 days. If you want the programme run for you, our outsourced SDRs go live in 10 business days, with your AEs taking every meeting.
Book a meeting with Whistle and tell us your ICP and deal size. We will tell you which model fits.
Outsourced SDR
Whistle installs a fully managed SDR team - outreach, tech, data and reporting all handled - so qualified meetings land on your calendar instead of your to-do list. Live in 10 business days.
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