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Turnkey development of bespoke CRM systems and business integrations

We create unique closed digital ecosystems for businesses with non-standard processes, where ready-to-use solutions are found to be tight or compromise confidential data. Clean PHP stack 8.3+, full absence of subscription fees for workstation licenses, isolated security perimeter and 100% transfer of rights to source code.

✓ 100% compliance with your unique logic: no compromises and no limitations of ready CRM
✓ Zero monthly costs for user licenses (savings of $5,000 to $50,000 per year)
✓ Full independence: the system is hosted on your isolated servers under your control
✓ Transfer of all rights to intellectual property, Git repositories, and technical documentation
Custom CRM on PHP 8.3+ No user licenses 100% Ownership of code Zero-Trust Security REST / GraphQL API
Get technical calculation of CRM
Formats and pricing
ALL IT • SERVICE SPEC
SLA 99.9%
[ Implementation of CRM Systems ] WARRANTY UNDER AGREEMENT
Isolated business management loop

Active employees in the system: 450. Monthly cost for license: $0. Time of report generation: 120 ms.

⏱ Start: 1–3 days 🛡️ NDA: 100% SLA Warranty
💻
Clean Code
PHP 8.3 & MySQL 8.4
🛡️
Closed Loop
Servers under your control
💰
No licenses
$0 subscription fees per seat
🔑
Full Rights
100% Code Transfer to Git
✓ Official contract with fixed cost of work
✓ 100% transfer of rights to code and configuration to the customer
✓ Assigned leading engineer and support 90 days
FULL TRANSFER OF RIGHTS CONTRACT + WARRANTY
Independence and Strategic Advantage

When is custom CRM development more beneficial than off-the-shelf solutions

Individual system as a protected asset of your company, scalable without limitations of third-party vendors

[ 01 ]

Significant Cost Savings on Staff Scaling

In cloud systems, each new work station costs $25–$150 per month. In a custom CRM, you can connect up to 500, up to 5 000 users without any additional payment for licenses.

[ 02 ]

Absolute Security and Bank-Level Confidentiality

Your client databases, margins, and contracts are not stored in the vendor's shared public cloud. The database is encrypted on your dedicated servers.

[ 03 ]

Instant performance under heavy load

Clean optimized code without unnecessary third-party scripts opens pages in fractions of a second, even when hundreds of managers are working in the system at the same time.

[ 04 ]

Ideal implementation of non-standard calculators and logic

Complex industry-specific cost calculation formulas, dynamic pricing, specific B2B cabinets — are implemented exactly as needed for your business.

[ENGINEERING REGULATIONS FOR DEVELOPMENT]

What is included in turnkey custom CRM system development

Full IT development cycle: from interface prototyping to safe server deployment

[ STEP 01 ] Technical Specifications & Architecture

Pre-project specification and architecture modeling

We formalize business logic, describe data entities, define table relationships, and design a clickable UX prototype.

[ STEP 02 ] Database

Designing a fault-tolerant database architecture MySQL 8.4

We normalize table structures, optimize composite indexes, and design fast processing of millions of rows.

[ STEP 03 ] Backend API

Backend development on pure PHP 8.3+ (REST API)

We write modular, fast and scalable code with clear separation of layers (Clean Architecture), validation and logging.

[ STEP 04 ] Frontend UI

Rapid adaptive frontend (Tailwind + Vanilla JS)

We create a lightweight, sensitive and modern interface for workstations, kanban boards and reports without heavy frameworks.

[ STEP 05 ] Cybersecurity

OWASP security, encryption and access roles

We implement a granular access model (RBAC), protection against injections, two-factor authentication (2FA), and an activity log.

[ STEP 06 ] DevOps & Git

Deployment on servers, documentation and Git

We deploy the system in the client's infrastructure, configure automatic backups, transfer the full API specification and repositories.

[ FORMAT OF DEVELOPMENT ]

Select the format of creation of your own CRM platform

Staged payment by sprint, transparent code, and fixed technical obligations in the contract

For Fast Launch of Unique Process

Custom CRM: MVP Core

Development of the basic functionality of an individual system for the sales department and operational management.

Development time: from 4–6 weeks
Work Scope:
✓ Development of a detailed technical specification and prototypes
✓ Design of the database and backend on PHP 8.3+
✓ Custom deal Kanban board and contact/company database
✓ Role-based access (Administrator / Manager / Leader)
✓ Integration of Corporate Email and Lead Forms
✓ Deployment on the client's server and transfer of the Git repository
Choose 'MVP Core'
Most Popular Format for Mature Business ★ Popular

Individual CRM Pro

Fully functional system with custom calculators, complex reports, integration with banks, software cash registers and telephony.

Development time: from 8–12 weeks
Work Scope:
✓ Everything included in the 'MVP Core' package
✓ Complex industry formulas for cost calculation and KPI
✓ Two-way integration with 1C / MASTER / ERP
✓ Connecting IP phone systems, call recordings, and auto-TTNS
✓ Generator of corporate contracts and acts in PDF within 1 clicks
✓ Sight Analytics of Profitability and Manager Dashboards
✓ 60 days of warranty service under SLA
Choose 'Individual CRM Pro'
For holding companies, financial and networked companies

Corporate Ecosystem + Portal

Scalable software complex: internal CRM + external B2B clients/dealers cabinet, high-load architecture and 24/7 SLA.

Development time: from 14–20 weeks
Work Scope:
✓ Everything included in the package «Individual CRM Pro»
✓ Separate protected B2B-client cabinet / partner portal
✓ Database clustering, load balancing Highload
✓ Complex microservice interaction through RabbitMQ / Redis
✓ Full compliance with banking security standards and ISO 27001
✓ Dedicated support team with a defined response time of 15 minutes
Choose 'Corporate Ecosystem'
← Swipe options →
[ ONLINE CALCULATION ]

Calculate parameters for the development of a custom CRM system

Select architectural requirements and scales for your future software product

1. Scale and components of the system: Select Variant

2. Complexity of business logic and calculations: Select Variant

3. Server infrastructure and security: Select Variant

CHOOSEN PARAMETERS OF THE SOLUTION:
⏱ Estimated Timeline: Calculation... 👥 Team: 2–3 engineers
1. Scale and components of the system: Internal CRM (Only for company employees)
2. Complexity of business logic and calculations: Standard Sales (Client Card, Funnel, Amounts)
3. Server infrastructure and security: Dedicated protected VPS-server (Ubuntu / Nginx)
✓ Parameters will be fixed in the application form
Get an exact quote
[ STAGES OF COOPERATION ]

How the project is delivered

Transparent process from first contact to final release on your domain.

01
1–2 weeks

Preliminary business analysis and technical requirements

We formalise every entity, interaction scenario, and business rule. We create a comprehensive technical specification that guides development.

02
2–3 weeks

UI/UX design and clickable interactive prototype

We draw the design of interfaces of all screens in Figma, test the usability for sales until writing the first line of code.

03
4–8 Weeks

Engineering development of the database, backend, and frontend

We write clean PHP code 8.3+, index MySQL, develop a reactive frontend, and connect API gateways.

04
1–2 weeks

Comprehensive security testing (OWASP) and load testing

We check vulnerability protection, test page opening speed, and work out the migration of historical data.

05
1–2 weeks

Deployment in the customer's infrastructure and training

We install the software on your servers, conduct training for the team, transfer Git repositories, and take on an SLA-guarantee.

Our Clients

Companies that have entrusted ALL IT Agency with the development and scaling of their digital solutions

TOV Zagin Alpha
Valikhnovski Surgery Institute
Partner Case 11
Wizeclub
DIM Service
Partner Enterprise
Meregi Group
Partner Case 6
Partner Case 5
TOV Zagin Alpha
Valikhnovski Surgery Institute
Partner Case 11
Wizeclub
DIM Service
Partner Enterprise
Meregi Group
Partner Case 6
Partner Case 5
[ FREQUENT QUESTIONS ]

Answers to common questions from customers

Key details regarding terms, independent website editing, and rights transfer.

Yes, this is the fundamental advantage of in-house development. You invest once in creating the product, after which the system becomes your intangible asset. You pay only for standard hosting or renting your own server — there are no user license subscriptions.

Code for 100% belongs to your company. We transfer the full repository in Git (GitHub / GitLab), detailed documentation to the architecture and Swagger API specifications. You are fully protected by a legal agreement on the transfer of intellectual property rights.

Yes. We are developing a system on a clean, widely accepted worldwide stack: modern PHP 8.3+ with strict typing, MySQL 8.4 database and modular architecture. We do not use complicated homemade frameworks — any qualified PHP engineer will easily understand the code thanks to detailed documentation.

Individual system is significantly more secure than public clouds, since it is not a mass target for hackers. We implement OWASP security standards, two-factor authentication (2FA), encryption of sensitive fields, full audit of actions by each employee, and place the database in an isolated closed perimeter.

The first functional MVP with a working lead generation funnel, client database and rights distribution we usually launch within 4–6 weeks from the moment the SRS is approved, after which we continue developing more complex modules.

Share this service with partners or colleagues

Fast delivery to the working chat or copying the link for budget approval

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Do you need an independent CRM created exclusively for your tasks?

Describe the company's scale, number of users, and specific requirements. Our technical director (CTO) will calculate the architecture and prepare a detailed cost estimate.

Confidentiality

Official NDA contract for system audit

Quick Feedback

We will contact you within 15 minutes during business hours.

Order custom CRM development

The tech lead will contact you within 15 minutes during working hours