CRM Software for Small Business
A CRM your team will use, because the leads and WhatsApp are already in it.
Customer OS brings leads, WhatsApp, support, marketing and loyalty onto one customer record, with no per-user fees.
- WhatsApp inbox
- Lead sync
- No per-user fees
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 is the best CRM for a small business in India?
The best CRM is the one your team uses daily. For Indian SMEs that means leads from Meta, Google and portals, a shared WhatsApp inbox and quick follow-ups on one customer record. Stack18's Customer OS provides this from ₹1.6L one-time, with no per-user fees.
You need this when…
Tap the ones that apply to you.
CRM Software for Small Business, end to end.
Each capability is delivered by the same team on the Agentic SDLC, with your approval at every critical step.
Lead management
All sources in one place.
- M
- e
- t
- a
- ,
- G
- o
- o
- g
- l
- e
- ,
- I
- n
- d
- i
- a
- M
- A
- R
- T
- ,
- J
- u
- s
- t
- D
- i
- a
- l
- |
- A
- s
- s
- i
- g
- n
- m
- e
- n
- t
- r
- u
- l
- e
- s
- |
- P
- i
- p
- e
- l
- i
- n
- e
WhatsApp inbox
Shared and tracked.
- T
- e
- a
- m
- i
- n
- b
- o
- x
- |
- J
- o
- u
- r
- n
- e
- y
- s
- |
- T
- e
- m
- p
- l
- a
- t
- e
- s
- a
- n
- d
- l
- i
- n
- k
- s
Support
Tickets with context.
- H
- e
- l
- p
- d
- e
- s
- k
- |
- S
- L
- A
- t
- r
- a
- c
- k
- i
- n
- g
- |
- C
- u
- s
- t
- o
- m
- e
- r
- 3
- 6
- 0
Marketing
Segment and send.
- C
- a
- m
- p
- a
- i
- g
- n
- s
- |
- S
- e
- g
- m
- e
- n
- t
- s
- |
- A
- t
- t
- r
- i
- b
- u
- t
- i
- o
- n
Loyalty
Bring them back.
- P
- o
- i
- n
- t
- s
- a
- n
- d
- o
- f
- f
- e
- r
- s
- |
- R
- e
- f
- e
- r
- r
- a
- l
- |
- W
- i
- n
- -
- b
- a
- c
- k
AI assist
Optional agents.
- L
- e
- a
- d
- q
- u
- a
- l
- i
- f
- i
- c
- a
- t
- i
- o
- n
- |
- B
- i
- l
- i
- n
- g
- u
- a
- l
- r
- e
- p
- l
- i
- e
- s
- |
- A
- p
- p
- r
- o
- v
- a
- l
- s
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.
Discover
Map the current process, data and priorities.
Design
Agree modules, integrations and rules.
Build
Configure and extend in weekly demos.
Launch
Data migration, training and go-live support.
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 what to build first.
- Duration
- 1–4 weeks
- Pricing
- Fixed price
- Scoped plan and timeline
- Team and fixed price
- Process map or prototype
Customer OS Launch
Teams that want to go live fast.
- Duration
- 3–4 weeks
- Pricing
- From ₹1.6L, one-time
- 5 modules
- WhatsApp inbox
- Training
Custom CRM build
Needs that a ready-made system does not cover.
- Duration
- 4–16 weeks
- Pricing
- Fixed price per phase
- Weekly working demos
- Senior team accountable
- 30 days hypercare
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 firm
- Challenge
- Leads in sheets.
- What we do
- Pipeline and follow-ups.
3–4 weeks
Retail brand
- Challenge
- Chats on personal phones.
- What we do
- Shared WhatsApp inbox.
3–4 weeks
Ethnic wear D2C, Jaipur
- Challenge
- A ₹100+ crore brand needed website, app and back office to share one catalogue and one record of stock and orders.
- What we do
- Nine specialists built website, mobile app and ERP on one connected foundation in two-week sprints.
3 months
Read the case study →Free CRM fit review
Tell us your lead sources and team size. We outline setup and edition.
- Setup outline
- Edition fit
- 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.
CRM Software for Small Business questions.
Per-user fees?
None.
Cost?
Launch ₹1.6L one-time, excluding GST.
Timeline?
3–4 weeks.
WhatsApp?
Yes.
Lead sources?
Meta, Google, IndiaMART, JustDial and more.
Hindi?
Yes.
Let's scope your CRM Software for Small Business 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