WhatsApp Marketing · Conversational Outreach

WhatsApp Marketing That Gets Read and Gets Replies.

WhatsApp outreach campaigns, automated sequences and broadcast messaging for B2B companies. 98% open rates, instant delivery and a channel your competitors are not using yet.

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98%

WhatsApp open rate

45%

Avg reply rate

Definition

What is WhatsApp Marketing?

WhatsApp marketing is the use of the WhatsApp Business API to send targeted outreach messages, automated nurture sequences and broadcast campaigns to prospects and customers at scale. Unlike consumer-facing messaging apps, the WhatsApp Business API connects to CRMs, allows template-based prospecting and supports enterprise-grade deliverability infrastructure. For B2B companies, it is the highest open-rate outbound channel available, reaching buyers directly on the device they check most frequently throughout the day.

98%

Avg WhatsApp open rate

45%

Avg reply rate vs 3% email

Via Wassuply

Koldconvert WhatsApp infrastructure

Diagnosis

Signs You Need WhatsApp Marketing

Your cold email open rates have dropped below 30% and your reply rates are under 3%, making outbound campaigns feel like they are disappearing into a void.
Your target buyers are based in markets where WhatsApp is the dominant business communication channel, including the UK, Europe, India, the Middle East or Latin America.
You are targeting SMEs or mobile-first buyers who are faster to respond on messaging apps than through formal email or LinkedIn InMail.
Appointment no-show rates are high and confirmation emails are being ignored, causing your sales team to waste time on unfilled calendar slots.
You have a healthy database of opted-in contacts but no channel to reach them with time-sensitive offers or event announcements in a way that guarantees visibility.

Ideal Fit

Who This Is For

B2B Companies Targeting SMEs

Companies selling to small and medium businesses find that WhatsApp outreach receives far higher response rates than email because SME owners manage their WhatsApp personally. The channel suits offers that benefit from quick, conversational qualification rather than long-form email pitches.

Businesses with International Markets

Companies expanding into Europe, the Middle East, Southeast Asia or Latin America where WhatsApp is the default business messaging channel. WhatsApp marketing in these markets often outperforms LinkedIn and cold email combined because it meets buyers on the platform they already use for work.

Companies Running Events or Webinars

Organisations that run webinars, conferences or live events and need confirmation, reminder and follow-up sequences that actually get read. WhatsApp appointment reminders reduce no-show rates by 40-60% compared to email-only sequences.

Growth-Stage B2B SaaS and Services

Revenue teams at Series A to Series C companies that need to compress sales cycles by reaching inbound leads faster. WhatsApp follow-up within 5 minutes of a form submission increases qualification rates significantly compared to email follow-up hours later.

Deliverables

What You Get

WhatsApp Business API Setup Full API provisioning via Meta, including phone number registration, business verification and account tier configuration.
Number Warm-up via Wassuply Structured warm-up protocol through Koldconvert's Wassuply infrastructure to reach high message tier limits without risking account health.
Approved Message Template Library A set of Meta-approved message templates covering outreach, nurture, reminders and re-engagement, written to pass approval and perform in market.
Contact List Segmentation Import, clean and segment your contact database from CRM or outbound data sources so sequences are sent to the right people at the right time.
Outreach and Nurture Sequences Multi-step automated sequences built and deployed in your WhatsApp platform, including branching logic based on reply behaviour.
CRM Integration and Reply Routing Two-way sync between WhatsApp and your CRM so replies are logged, leads are updated and your team can respond from a shared inbox without switching tools.
Broadcast Campaign Management Ongoing broadcast sends to opted-in lists for product updates, events and offers, managed with scheduling, compliance review and send-time optimisation.
Performance Reporting Dashboard Weekly delivery, open, reply and conversion reports with benchmarks against industry averages so you know exactly what your campaigns are returning.

What WhatsApp Marketing Covers

Every Stage of the WhatsApp Funnel, Handled.

WhatsApp Outreach Campaigns

Targeted prospecting campaigns via WhatsApp Business API. Message templates approved for delivery, personalised at scale.

Lead Nurture Sequences

Automated WhatsApp sequences that follow up on leads, send proposals, book meetings and answer questions without manual effort.

Appointment Reminders & Confirmations

Reduce no-shows with automated WhatsApp confirmation and reminder sequences tied to your calendar.

Broadcast Campaigns

Send product updates, offers, event invitations and announcements to opted-in contacts with open rates that email cannot match.

Our Approach

The Koldconvert Conversational Acquisition Method

Most agencies treat WhatsApp as a broadcast channel, sending the same template to every contact and measuring success on open rate alone. Koldconvert's Conversational Acquisition Method treats WhatsApp as a dialogue channel where the sequence adapts based on reply signals. Contacts who reply with interest are routed immediately to a booking link or a human. Contacts who reply with an objection trigger an automated response addressing that specific objection before re-routing. Contacts who do not reply receive a timed follow-up with a different angle. The result is a programme that qualifies conversations, not just delivers messages, and generates pipeline from the same list sizes that flat-broadcast agencies leave untapped.

Process

From Setup to Scaled WhatsApp Campaigns.

Setup

Configure WhatsApp Business API, warm the number and get message templates approved.

List Build

Identify and segment your WhatsApp contact list. Import from CRM or build from outbound targeting.

Launch

Campaigns go live with tracking on deliveries, opens and replies.

Optimise

A/B test message templates, timing and follow-up sequences to maximise reply rates and conversions.

Tech Stack

Tools & Technology

WhatsApp Business API Twilio WATI Interakt HubSpot Zapier ManyChat MessageBird Brevo Segment

WhatsApp Business API connects to your CRM via HubSpot or Zapier, with WATI or Interakt managing the conversation inbox, ManyChat handling chatbot flows and Segment syncing contact data across your full marketing stack for accurate attribution.

Engagement

How We Work Together

Launch Programme

A one-time setup engagement covering API provisioning, number warm-up, template approval and initial sequence build. Designed for companies that have not yet run WhatsApp marketing. Typical duration is 3-4 weeks and results in a fully operational WhatsApp outreach capability.

Managed Campaigns Retainer

Ongoing monthly management of WhatsApp outreach and broadcast campaigns. Includes list management, sequence optimisation, template updates and monthly performance reporting. Suited to companies running continuous outbound or event-based campaigns.

Infrastructure Audit and Migration

For companies already running WhatsApp campaigns but experiencing low reply rates, deliverability issues or compliance risk. Audit of current setup, migration to the Wassuply infrastructure and sequence rebuild. Typical turnaround is 2-3 weeks.

Results

What Clients Achieve

WhatsApp Marketing Results

Engagement numbers no other channel delivers.

98%Avg open rate

45%Avg reply rate

3 minAvg time to first reply

5xHigher engagement vs email

Industries

WhatsApp Marketing for Your Industry

SaaS & B2B Software

SaaS companies use WhatsApp to follow up inbound trials within minutes and book demos before competitors do. WhatsApp sequences for trial-to-paid nurture see 3-4x higher engagement than equivalent email workflows because the message appears in the same thread as personal conversations.

FinTech & Payments

FinTech firms in markets like India, the Middle East and Africa use WhatsApp as the primary onboarding and support channel for SME customers. KYC reminders, payment confirmations and account notifications delivered via WhatsApp reduce dropout rates significantly compared to email or SMS.

Professional Services

Law firms, accountancies and consultancies use WhatsApp to maintain high-touch relationships with clients who prefer messaging over email. Initial outreach to referral contacts and proposal follow-up via WhatsApp shortens the response cycle from days to hours.

Hospitality & Travel

Hotels, travel agencies and event venues use WhatsApp for booking confirmations, upsells and check-in reminders. Guests respond to WhatsApp communication far more reliably than email, making it the preferred channel for time-sensitive messages in this sector.

Healthcare

Private clinics, dental practices and health tech companies use WhatsApp for appointment reminders and post-consultation follow-up. WhatsApp reminders reduce no-show rates by 40-60% compared to email or phone call reminders alone.

Real Estate

Property agencies use WhatsApp to distribute new listings, coordinate viewings and maintain ongoing contact with buyers and tenants. The conversational format suits the relationship-driven nature of property sales and lets agents respond quickly to buyer questions.

E-commerce & DTC

DTC brands in markets where WhatsApp is dominant use broadcast campaigns to announce new products, flash sales and restocks to opted-in customer lists. WhatsApp broadcast open rates of 90%+ make it significantly more effective than email newsletters for time-sensitive promotions.

EdTech

Online education companies use WhatsApp to nurture course enquiries, distribute learning materials and send assignment reminders. In markets like India and Southeast Asia, WhatsApp is the primary support and engagement channel for learners because it is already installed on every device.

HR Technology

HR tech platforms use WhatsApp to follow up with HR directors and People leaders who are difficult to reach via email. WhatsApp outreach to this persona, who manages communication tools professionally, sees unusually high reply rates when the value proposition is specific to their current HR challenges.

Marketplaces & Platforms

Marketplace platforms use WhatsApp to onboard new sellers and buyers, send transaction notifications and resolve support queries. The bidirectional nature of WhatsApp allows platforms to gather feedback and handle objections in real time, improving marketplace retention metrics.

Comparison

Koldconvert vs In-House WhatsApp Setup

Factor	Koldconvert	In-House Setup
Infrastructure	Wassuply proprietary infrastructure with managed warm-up and deliverability monitoring	Standard API setup without managed warm-up, higher risk of number bans
Time to first campaign	21 days from engagement start to live campaign	6-12 weeks navigating API approval, warm-up and template rejection cycles
Template approval	High approval rate from templates written to Meta guidelines by experienced team	Frequent rejection without knowing which policy rule triggered it
Sequence intelligence	Reply-signal branching routes contacts to booking, objection handling or re-engagement	Linear broadcast sequences with no adaptive logic
Compliance	GDPR and WhatsApp Policy compliance built into campaign design and opt-out handling	Compliance risk if team is unfamiliar with Meta policy on business messaging
CRM integration	Two-way CRM sync with lead status updates, reply logging and pipeline attribution	Manual export/import or webhook configuration requiring developer resource
Ongoing optimisation	Monthly A/B testing of templates, timing and follow-up angles with performance benchmarks	Testing rarely happens because internal teams lack benchmarks to measure against

Koldconvert Perspective

"Most companies treating WhatsApp as a broadcast channel are using it wrong, and their low reply rates prove it. WhatsApp is a conversation medium. The moment you send a message that reads like a bulk email, you lose the advantage that makes the channel valuable in the first place. The businesses generating real pipeline from WhatsApp are the ones treating every initial message as the opening line of a dialogue, not a notification. That means personalisation, a clear reason for reaching out on this specific channel and a reply mechanism that routes positive signals to a human or a booking page within seconds. Broadcast-first thinking produces broadcast results: high open rates, no pipeline."

Koldconvert Strategy Team

Buyer's Guide

Questions to Ask Any WhatsApp Marketing Agency

Do you use the official WhatsApp Business API or third-party tools? Only the official API is compliant with Meta's terms. Agencies using third-party scraping tools or unofficial broadcast apps put your business account and phone number at risk of permanent suspension. Any agency that cannot name their API provider should be treated with caution.
How do you handle number warm-up and what tier limits do you target? WhatsApp Business API enforces message tier limits that cap the number of unique contacts you can message per day. A good answer includes a specific warm-up schedule and a target tier. A vague answer suggests the agency has not managed deliverability at scale.
What is your template approval rate and how do you write templates that pass Meta review? Template approval by Meta is a common bottleneck. An experienced agency should be able to quote a high first-pass approval rate and explain which template categories and phrasings consistently get approved versus rejected.
How do you route replies and integrate WhatsApp activity with our CRM? A campaign that generates replies but cannot route them to the right salesperson or log them in your CRM creates chaos rather than pipeline. Ask specifically how positive replies, objection replies and opt-outs are handled in your tech stack.
How do you ensure GDPR compliance for WhatsApp prospecting? WhatsApp prospecting to cold contacts sits in a nuanced regulatory position. A responsible agency should be able to explain the legitimate interest basis under GDPR, how they handle opt-out requests and how they document consent for broadcast contacts. Agencies with no clear answer represent a compliance risk.

Key Terms

Glossary

WhatsApp Business API: The WhatsApp Business API is Meta's enterprise-grade messaging interface that allows companies to send templated messages at scale, integrate with CRMs and automate conversational workflows. It differs from the WhatsApp Business app in that it has no message volume caps on higher tiers and supports automation.
Message Tier Limit: Message tier limits are capacity caps set by Meta on how many unique contacts a WhatsApp Business API account can message per 24-hour period. New accounts start at Tier 1 (250 contacts per day) and can reach Tier 4 (100,000 contacts per day) through a structured warm-up process that demonstrates quality engagement signals.
Approved Message Template: An approved message template is a WhatsApp message format that has been reviewed and approved by Meta before it can be sent to contacts outside of an active conversation window. Templates must meet Meta's content policy and cannot be promotional in certain categories. Pre-approval prevents messages from being blocked mid-campaign.
Conversational Window: A conversational window is the 24-hour period after a contact replies to your WhatsApp message during which you can send free-form responses without a pre-approved template. Once the 24-hour window closes, any new outbound message requires an approved template, which is why fast reply routing matters in WhatsApp marketing programmes.
Number Warm-up: Number warm-up is the process of gradually increasing message volume on a new WhatsApp Business API number to build a positive quality score with Meta and unlock higher message tier limits. Sending too many messages too quickly on a new number triggers quality rating drops that reduce delivery rates and can lead to number suspension.
Broadcast Campaign: A broadcast campaign is a one-to-many WhatsApp message sent to a list of opted-in contacts using an approved template. Broadcast campaigns are used for product announcements, event invitations and time-sensitive offers. They are distinct from outreach prospecting because they require explicit prior consent from all recipients.

Questions

WhatsApp Marketing for B2B, Answered.

Is WhatsApp marketing legal for B2B?

Yes. WhatsApp marketing is legal for B2B when using the official WhatsApp Business API with proper opt-in consent, compliant with GDPR and WhatsApp Business Policy. Koldconvert does not use unofficial bulk tools or methods that violate Meta's terms.

Do our contacts need to have opted in?

For broadcast campaigns, contacts must have opted in. For outreach prospecting via WhatsApp Business API, approved message templates can be sent to cold prospects within WhatsApp policy guidelines, provided your use case is approved during onboarding.

How is WhatsApp marketing different from cold email?

WhatsApp messages are delivered instantly to a personal device, are read within minutes and feel significantly less formal than email. Reply rates are 10-15x higher than cold email in most markets, and messages are seen within 3 minutes on average.

What is Wassuply?

Wassuply is Koldconvert's specialist WhatsApp infrastructure brand. It handles number warm-up, API delivery, template approval and compliance so your campaigns achieve maximum deliverability without risking account suspension.

Which markets does WhatsApp work best in?

WhatsApp is dominant in the UK, Europe, India, Middle East, Latin America and Africa. In the US, iMessage and SMS are more common. Koldconvert advises on geographic fit before recommending the channel.

How much does a WhatsApp marketing programme cost?

WhatsApp marketing engagements at Koldconvert start from a setup fee covering API configuration and template approval, followed by a monthly management retainer. Pricing depends on contact volume and campaign complexity. Book a strategy call for a scoped quote.

How long does it take to launch a WhatsApp campaign?

Setup typically takes 2-3 weeks: one week for API provisioning and number warm-up, one week for template approval, and a third week for list segmentation and sequence build. First campaigns can go live within 21 days of engagement start.

Can WhatsApp marketing be used for lead generation or just nurture?

WhatsApp can be used for both cold outreach lead generation and warm lead nurturing. The API allows prospecting with approved templates and automated sequences that qualify and route replies to your sales team.

What industries use WhatsApp marketing most effectively?

WhatsApp marketing performs best in markets where mobile is the primary business communication channel, including FinTech, professional services, hospitality, healthcare, real estate and B2B companies targeting SMEs or international markets.

How do you handle replies at scale?

Replies are routed through a CRM integration or a shared inbox tool so your team can respond or the automation can continue the sequence. ManyChat, WATI and Interakt all support managed inbox workflows at scale.

What makes Koldconvert different from other WhatsApp marketing agencies?

Koldconvert operates Wassuply, a proprietary WhatsApp delivery infrastructure, which means number warm-up, template approval and deliverability are handled in-house rather than through a reseller. This reduces setup time and gives direct control over account health.

Should we use WhatsApp instead of or alongside email?

WhatsApp works best as a complement to email, not a replacement. The highest-performing B2B acquisition programmes use WhatsApp for initial outreach and fast-path responses, with email handling longer nurture sequences. Running both together raises overall pipeline by 30-50% in most markets where WhatsApp penetration is high.

Ready to run WhatsApp campaigns that actually get read?

Email inboxes are crowded. WhatsApp is not. Koldconvert sets up the infrastructure, builds the sequences and runs campaigns that reach your buyers where they spend their time.

Book a strategy call → View Marketing