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Custom CRM development for sales teams

A CRM (customer relationship management system) keeps every lead, customer, conversation and deal in one place, so your team always knows who to call, what was promised and what happens next. A custom CRM is built around your own sales stages, fields and approvals, which makes it easier for the team to use from the first day.

GTech builds CRMs that connect to where your leads really come from, such as your website forms and WhatsApp, and turns the follow-ups your team does from memory into reminders and reports.

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Who a custom CRM is for

  • Sales teams tracking leads in Excel, notebooks or personal WhatsApp chats
  • Companies whose sales process makes off-the-shelf CRMs complicated
  • Managers who want a live pipeline instead of weekly status meetings
  • Businesses that lose customers when a salesperson leaves

Problems a CRM fixes

  • Leads arrive from many places, and some are never followed up
  • Nobody knows who spoke to a customer last or what was offered
  • The same customer is saved several times with different spellings and numbers
  • Simple questions, such as how many leads came in this month and from where, take hours to answer

What your CRM can include

  • A sales pipeline with your own stages and deal values
  • A record for every customer: calls, messages, notes, quotes and files
  • Follow-up reminders and tasks, so no lead waits too long
  • Lead capture from your website forms and WhatsApp
  • Roles for sales, managers and support
  • Reports on lead sources, conversion rates and expected revenue

How we build your CRM

  1. Map your sales process

    We document your stages, fields and approvals as they really are today.

  2. Clean and import

    We merge duplicates and import the customers and open deals worth keeping.

  3. Launch the essentials

    The pipeline, customer history and reminders go live first: the parts your team feels on day one.

  4. Connect and automate

    Website forms, WhatsApp and reports are added once the team is comfortable with the system.

CRM questions

What is a CRM system?

A CRM (customer relationship management) system stores every lead and customer with their full history, including calls, messages, quotes and deals, and helps a sales team follow up on time and see its pipeline at a glance.

Why build a custom CRM instead of using a ready-made one?

Ready-made CRMs are built for everyone, so teams often pay for features they don't use and adapt to workflows they didn't choose. A custom CRM follows your own stages and fields, which usually makes it easier for the team to adopt.

Can the CRM connect to WhatsApp?

Yes. Leads and messages can come in through the WhatsApp Business API, and your website forms can create new leads automatically.

Can ERP and CRM be one system?

Yes. Many companies start with a CRM for sales and later add ERP modules such as inventory and invoicing to the same system, or the other way around.

Further reading

Your Website Is Your Best Salesperson: 7 Things a Company Website Must Do in 2026

Your Website Is Your Best Salesperson: 7 Things a Company Website Must Do in 2026

A company website isn't a digital brochure. It should answer questions, build trust and turn visitors into conversations, even while you sleep. Here's the checklist.

Spreadsheets vs. CRM: 8 Signs Your Sales Team Has Outgrown Excel

Spreadsheets vs. CRM: 8 Signs Your Sales Team Has Outgrown Excel

Excel is a great place to start tracking customers and a terrible place to grow. Here are the warning signs that leads are slipping through the cracks, and what to do about it.

Losing track of your leads?

Tell us how your team sells today: where leads come from and how you follow up. We'll suggest the smallest CRM that fixes it.

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