HubSpot Integration
HubSpot connected to billing, WhatsApp and your back office.
We connect HubSpot with ERP, billing, WhatsApp, payments and custom apps, migrate and clean contact data, and build automation around lead capture and follow-up. We do not claim certified partner status here.
- CRM and billing sync
- Lead automation
- Data clean-up
Free 30-minute call with a senior specialist. Reply within one business day. Based in Jaipur, working with businesses across India.
- Discovery callFree 30 minutes with a senior specialist
- Scoped first phaseWritten scope, timeline and fixed price
- Build with weekly demosWorking software you can see every week
- Launch and supportGo-live with your team ready, then ongoing support
What are HubSpot integration services?
HubSpot integration services connect HubSpot CRM and marketing tools with ERP, billing, WhatsApp, payment and custom systems, and clean and migrate data so reports are trustworthy. Stack18 builds integrations and extensions and works with your HubSpot admin or partner on licensing and configuration.
Last reviewed 31 October 2026 by the Stack18 delivery team in Jaipur. Security and AI governance · Pricing · About Stack18
| What it covers | Lead capture and routing; Billing and ERP sync; WhatsApp and messaging; Data migration and clean-up; Reporting. |
|---|---|
| Typical first step | Discovery Sprint: 2 weeks; fixed price. |
| Custom build | Fixed-scope first release: agreed in discovery; fixed price after discovery. |
| Long-term option | Transformation Pod: 12–36 months; annual contract. |
| Measured by | Speed to lead; Lead-to-opportunity rate; Duplicate contacts; Manual re-entry hours. Each against an agreed baseline. |
| Governance | Human approval at 5 governance gates before anything reaches production. NDA available on request. |
| Delivery team | Based in Jaipur, India. A senior specialist replies within one business day. |
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HubSpot Integration, end to end.
Each capability is delivered by the same team on the Agentic SDLC, with your approval at every critical step.
Lead capture and routing
Forms and landing pages feed owner assignment and speed-to-lead alerts, so every lead gets a fast response.
- Form and landing-page capture
- Owner assignment rules
- Speed-to-lead alerts
Billing and ERP sync
Closed deals become invoices, and payment status appears back in HubSpot for finance and sales.
- Deal to invoice flow
- Payment status in HubSpot
- Customer master sync
WhatsApp and messaging
WhatsApp conversations are logged on the contact timeline with template messages and consent handled.
- WhatsApp logging
- Template messages
- Consent handling
Data migration and clean-up
Contacts are imported and mapped, duplicates removed and property standards set, so there is one trusted list.
- Import and mapping
- Deduplication
- Property standards
Reporting
Funnel, source and revenue attribution reports and dashboards show what actually drives pipeline.
- Funnel and source reports
- Revenue attribution
- Dashboard set-up
A typical engagement, step by step.
Senior people lead every phase. Specialised AI agents on the Agentic SDLC handle the repetitive work, and nothing ships without your approval.
Discovery
We map today's process, systems and data for lead capture and routing; billing and ERP sync; and WhatsApp and messaging, talk to the people who run it and agree the baseline for speed to lead and lead-to-opportunity rate so progress is measured from week one.
Design
We design the flows, roles, approvals and integrations for lead capture and routing; and billing and ERP sync, and review a clickable prototype with the people who will use it before anything is built.
Build in weekly demos
We build in weekly demos, starting with lead capture and routing, then billing and ERP sync and WhatsApp and messaging. Each release is tested on your own data and passes a human approval gate before the next begins.
Launch and support
We migrate data, train your team and support go-live. After 30 days we review speed to lead, lead-to-opportunity rate and duplicate contacts against the baseline and agree what to extend next.
Start small. Scale when it works.
Every engagement begins with a short, fixed-price step so you can judge the fit before committing further. See pricing.
Discovery Sprint
Teams deciding which of lead capture and routing; billing and ERP sync; and WhatsApp and messaging to build first, and what it should cost.
- Duration
- 2 weeks
- Pricing
- Fixed price
- Scoped plan and timeline
- Team and fixed price
- Process map or prototype
Fixed-scope first release
Teams that know the outcome they need from HubSpot integration and want a fixed-scope first release.
- Duration
- Agreed in discovery
- Pricing
- Fixed price after discovery
- Written scope and acceptance criteria
- Weekly demos
- Handover with documentation
Transformation Pod
Organisations running HubSpot integration across several teams, sites or systems over years.
- Duration
- 12–36 months
- Pricing
- Annual contract
- Dedicated cross-functional team
- Quarterly business reviews
- One accountable partner
What we have shipped, and what a typical engagement looks like.
Delivered projects link to the full case study. Illustrative scenarios describe typical engagements and are not named client results.
Services company on HubSpot
- Challenge
- Leads slow to reach sales; billing separate from CRM.
- What we do
- Lead routing, deal-to-invoice sync and cleaned contacts.
- We would measure
- speed to lead, lead-to-opportunity rate and duplicate contacts, against a baseline agreed in week one.
Scoped in a 2-week sprint
Free HubSpot integration review
Tell us where HubSpot integration hurts most. We map what to fix first, whether ready-made or custom fits, and a realistic first step.
- Where to start and why
- Ready-made vs custom view
- Indicative timeline
We agree targets before we start.
Every engagement has a baseline and a target on the measures that matter to you, reported at every read-out.
HubSpot Integration questions.
Are you a HubSpot partner?
This page does not claim partner status. We work with your HubSpot admin or partner on licensing and platform choices.
Can HubSpot connect to Tally or our ERP?
Yes, through APIs, files or middleware, depending on the other system. Your accountant reviews the ledger mappings before anything posts, and every posting is logged and traceable.
Can you migrate from another CRM?
Yes. We map fields, deduplicate and validate samples with you before go-live.
Do you build custom apps on HubSpot?
Yes, where its extension options fit, and we say so if a different approach is better.
How do we start?
With a two-week Discovery Sprint that ends in a scoped, fixed-price plan. The first step is a free 30-minute call with a senior specialist, followed by a fixed-price Discovery Sprint that settles scope, plan and cost.
How much does HubSpot integration cost?
Every engagement starts with a fixed-price Discovery Sprint that produces scope, a plan and a quote. Custom work is quoted at a fixed price once the scope is clear. Changes are agreed in writing before they are built, so the price you approve is the price you pay.
How do you measure success for HubSpot integration?
In week one we agree a baseline for speed to lead, lead-to-opportunity rate and duplicate contacts. We report them at every weekly demo and review them against the baseline 30 days after go-live, so results are measured rather than assumed.
What should we prepare before the first call?
Bring a short description of how HubSpot integration works today, examples of the documents or screens your team uses, and the three numbers that matter most to you. A senior specialist will use them to outline a first step and a fixed price.
Guides, comparisons and proof.
Software Development Cost in India: What Drives It
What drives custom software cost in India, how fixed price, time and materials and dedicated teams differ, and…
Read →CompareReady-Made vs Custom Software: How to Choose
Ready-made systems go live in weeks at a fixed price.
Read →TrustSecurity, Data Protection & AI Governance
How Stack18 keeps your data and AI work secure: human approval gates, your environment, audit trails, no model…
Read →Let's scope your HubSpot Integration project.
Tell us where you are and where you want to be. A senior specialist will reply within one business day with next steps.
- Free 30-minute consultation
- Indicative estimate after the call
- NDA available on request