The Small Business Operating System

The connective centre of your small business

NexSys OS provides a powerful set of built-in tools and connects openly to the software you already use. No walled garden. No forced migration. Just a smarter, more connected business.

Everything your business needs in one place

Seven powerful modules, all working together. Start with what you need and expand as you grow.

Smart CRM Core

At the heart of NexSys OS is a fully customisable CRM that adapts to your business, not the other way around. Store, organise, and act on every customer relationship with precision.

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Custom fields — capture any data point specific to your business
Custom objects — model your unique business entities
Custom values and picklists — standardise data across your team
360° contact and company profiles with full activity history
Smart deduplication powered by AI
Relationship mapping between contacts, companies, and deals
Bulk import/export with intelligent field mapping
Role-based access control and data permissions

Built for UK small businesses

Not a scaled-down enterprise tool. Not a basic starter CRM. NexSys OS was designed from the ground up for businesses with 1 to 50 people.

One platform, not ten tools

Replace your patchwork of apps with a single, connected system. CRM, marketing, sales, service, and automation — all in one place, all talking to each other.

AI that works for you

The guidance engine analyses your data continuously and surfaces what needs attention. No dashboards to build, no reports to run — just clear, actionable intelligence.

Open by design

NexSys OS connects to your existing tools via API, Zapier, Make, and MCP. No forced migration. No walled garden. Your data stays yours.

Frequently asked questions

Free Weekly Newsletter

Small Business AI Insights

Breaking down what's happening in AI each week and what it actually means for UK small businesses like yours.

Five curated AI stories each week, chosen for relevance to small business

A plain-English summary of each story, linked to the original source

A 'What it means for your business' breakdown on every story

The Pattern This Week — a closing insight on what the week's news really signals

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Ready to be one of the Founding 50?

NexSys OS launches on 1st July 2026. Founding members receive exclusive pricing locked in for life, priority onboarding, and direct access to the product team.

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No credit card required · UK businesses only · Launching 1st July 2026