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Tellzer Operating System

One system.
Only the modules you need.

TOS is the operating system that runs an entire company: sales, delivery, finance, people and communication in one place. Every capability is a module, switched on when you need it and quiet when you don't.

14
Core modules
1
Shared data layer
0
Duplicate entry
100%
White-label ready
The concept

Modular by architecture, not by pricing page

Most platforms bundle everything and hide what you don't use. TOS is built the other way around: a thin foundation, and modules that plug into it. Start with two, run fourteen, and the system stays the same shape.

ModulesLayer 4

CRM, projects, billing, contracts, HR, drive, calendar and more. Each one is self-contained and independently enabled.

Shared recordsLayer 3

One client, one deal, one document. A record created in sales is the same record delivery, finance and support read.

Automation & AILayer 2

Workflows, reminders, scoring and assistants operate across every enabled module without extra wiring.

Access & workspaceLayer 1

Roles, permissions, tenants and branding sit underneath everything. Turn a module off and it disappears everywhere.

Enable per workspace

Every workspace gets its own module set, limits and branding.

No dead weight

Disabled modules leave no menus, no fields, no noise in the interface.

Composable data

Modules read each other: a won deal becomes a project, invoice and contract.

Add without migration

Switching a module on inherits your existing clients, people and history.

The modules

Fourteen modules. One record of truth.

Every module shares the same clients, people, permissions and timeline, so nothing has to be re-entered or reconciled.

CRM

Pipelines, deals, contacts and lead scoring with full activity history.

Growth

Outreach cadences, dialer, ad spend and attribution in one funnel view.

Projects

Tasks, milestones, roadmaps and client-visible progress tracking.

Offers

Branded proposals with tracking, e-acceptance and conversion to contracts.

Contracts

Field-level signing, stamps, completion certificates and audit trail.

Billing

Invoices, installments, recurring cycles, payment proofs and statements.

Calendar

Round-robin booking, availability rules and multi-provider meetings.

Email

Templates, flows and per-workspace mailboxes with deliverability guardrails.

Drive

Client-facing file space with watermarking, quotas and cloud imports.

HR

Employees, leave, payroll, performance and employment documents.

Recruitment

Job posts, screening, candidate pipeline and offer generation.

Chat

Internal and client conversations attached to the records they belong to.

AI Agents

Assistants scoped to your modules, data and tone with tool access.

Testimonials

Collect, approve and publish written and video social proof.

The flow

One record, from first touch to final payment

01

A lead arrives

From an ad, a form, a call or an import. CRM scores it and assigns an owner.

02

An offer goes out

Branded, tracked, accepted online. No re-typing the client details.

03

A contract is signed

Generated from the accepted offer, signed field by field, stamped and archived.

04

Delivery starts

The won deal becomes a project with tasks, milestones and a client progress portal.

05

Money is collected

Invoices, installments and reminders run themselves until the account is closed.

06

Everything reports

Cost, revenue, hours and outcomes roll up into one view per client and workspace.

The foundation

What every module inherits

Permissions down to the field

Five role tiers, module-level visibility and record-level scoping. A view-only member cannot change what they can see.

Multi-workspace core

Run one company or hundreds. Each workspace owns its data, quotas, providers and timezone with no crossover.

Automation everywhere

Triggers, conditions, waits and notifications operate on the same records your team works on, not a separate copy.

Your brand, your domain

Portals, documents and emails carry your identity on your own custom domain, end to end.

Start with one module.
Grow into the whole system.

Tell us how your company runs today and we will switch on the modules that match, on your own domain and branding.

Building Today's

Vision.

Crafting Tomorrow's

Next Big Thing

TMTMDWTMBWTM

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