One login for every inbox and CRM: why Composio matters

TEG is an official member of the Anthropic Claude Partner Network. We help companies and individuals connect email, CRM, calendar and chat to Claude. See our full Claude services.

When Claude can reach the apps where your work lives, it can read, draft and update things for you instead of just talking about them. Email, CRM, calendar, chat and project tools all count. Most setups are simple. But one problem comes up again and again: people who have two of the same thing.

The catch: one account per app

Claude's standard connectors usually allow one account per app at a time. You can connect your work Gmail, or your personal Gmail, but not both. The same goes for CRMs. If you run two companies, or work with a client who has their own HubSpot or Salesforce alongside yours, you hit a wall fast. Two companies, multiple accounts on the same tech, and Claude can only see one of them.

Now there is an answer: Composio.

What Composio does

Composio is a connection layer between an AI assistant like Claude and the apps you already use. You sign in to each app once, and Claude can then read from and act in them for you. It supports more than 500 apps, including Gmail, Outlook, Slack, Google Calendar, Notion and many CRMs.

The feature that matters most for busy people is multiple accounts per app. You can connect your work Gmail and your personal Gmail side by side, give each a simple nickname like "work" and "personal," and tell Claude which one to use for any task. For the single-account basics, see how to connect Gmail to Claude.

What it looks like in practice

Setup takes a few minutes. You approve each account through a normal sign-in screen, and Claude confirms the connection is active. From there, you can ask in plain language:

• "Draft an email to my mom from my personal account and one to my dad from work."
• "Check both inboxes and tell me what needs a reply today."
• "Find the last email from this client and log a follow-up task in the CRM."

Claude picks the right account, does the work, and tells you what it did. You stay in one conversation instead of five browser tabs.

This is the kind of setup that is quick when someone has done it before and fiddly when they have not. Each app has its own sign-in quirks, and the nicknames and permissions are what keep a work email from going out of your personal account. It is a big part of what we do for clients.

Where small teams feel it most

• One morning summary. Instead of opening each inbox, ask for a single digest across all accounts: client messages, urgent replies and everything else.
• Email to CRM, without retyping. A client email becomes a CRM note or task, linked to the right contact.
• Calendar awareness. Check work and family calendars together before you commit to a meeting.
• Faster proposals and follow-ups. Draft the reply, attach the context, and set a reminder to check back if no one answers.
• Inbox cleanup. Label, archive and sort in bulk across accounts, with you approving anything destructive.

For a consultancy or a founder who wears several hats, the gain is less about any one task and more about not carrying the context in your head.

Staying in control

Giving an AI access to your email is a real decision, so the setup matters.

• You approve every connection. Each account is linked through its own sign-in, and you can remove it at any time.
• Drafts before sends. A good habit is to have Claude create drafts first, so nothing goes out until you read it.
• Confirmation for risky actions. Sending, deleting and changing settings should always ask for a clear yes.
• Check your admin settings. Some company Google or Microsoft accounts restrict third-party apps, so an admin may need to approve the connection.

The takeaway

If you have two inboxes, two CRMs or two companies running on the same tools, you no longer have to pick one for Claude to see. Composio lets Claude work across all of them, with each account clearly labeled so nothing gets mixed up. The teams that get the most from Claude are the ones where it can see everything, not just one account.

Let TEG install Composio and connect everything else

TEG can help you install Composio, link each of your accounts, and set up the nicknames and permissions so Claude always knows which inbox or CRM to use. We also keep drafts-first and confirmation rules in place so nothing goes out without your say-so.

Not every system is on Composio. If your team runs on a niche industry tool, an internal database or software built in-house, we build custom MCP integrations so Claude can work with those too. The result is one Claude that can see your whole stack. Get in touch to get started, or read what MCP servers mean for your business.

Frequently asked questions

Can Claude connect to more than one Gmail account?

Claude's standard connectors usually allow one account per app at a time, so you can link your work Gmail or your personal Gmail but not both. Composio is a connection layer that lets you link several accounts for the same app, give each a nickname like "work" and "personal," and tell Claude which one to use.

What is Composio?

Composio is a connection layer between an AI assistant like Claude and the apps you already use. You sign in to each app once, and Claude can then read from and act in them for you. It supports more than 500 apps, including Gmail, Outlook, Slack, Google Calendar, Notion and many CRMs.

Is it safe to give Claude access to my email?

It is a real decision, so the setup matters. You approve every connection through its own sign-in and can remove it at any time. A good habit is to have Claude create drafts first so nothing goes out until you read it, and sending, deleting or changing settings should always ask for a clear yes.

Do I need my IT admin to approve the connection?

Possibly. Some company Google or Microsoft accounts restrict third-party apps, so an admin may need to approve the connection before it works.

Can TEG help me set up Composio and connect systems it does not support?

Yes. TEG installs Composio, connects each of your accounts and sets the permissions, and builds custom MCP integrations for systems Composio does not cover, such as niche industry software or internal tools, so Claude can work across your whole stack.