AI governance for law and accounting firms

Your team thinks ChatGPT is safe.
It doesn't know what's confidential.

ChatShield sits in the browser and stops sensitive client data before it reaches any AI tool. Set up in 5 minutes. Works across your whole firm.

No IT department needed
Data never leaves your browser
Chrome & Edge
ChatShield blocking a draft message that contains an email address before it reaches an AI chat tool.
5 minAverage setup time
ChatGPT & ClaudeCovered
ZeroMessage content on our servers
14 daysFree trial

The problem

ChatGPT has no idea what's confidential to your firm

OpenAI does not know your clients, your engagements, or your regulatory obligations. Most staff assume AI tools handle their data responsibly and do not think twice before pasting a client email thread in to ask for a summary.

What your team believes

“ChatGPT keeps our data private and safe.”

OpenAI's default settings allow data to be used for model training. Most staff have never seen the privacy settings, let alone changed them.

The reality

“ChatGPT cannot distinguish your client's name from any other word.”

It has no concept of what is sensitive to your business. Only you know that. ChatShield lets you define exactly what is off limits and enforces it automatically.

How it works

Up and running before your next client call

No IT department. No complex configuration. Three steps and your whole team is protected.

01
Define your rules

Set what is off limits: client references, financial figures, personal data. Start with our built-in rule library or add your own patterns. Takes minutes.

02
Invite your team

Staff receive a link by email. They click it, install the extension, and it connects automatically. No tokens to paste, no IT ticket raised.

03
See what is being stopped

Your dashboard shows every blocked message, which rule triggered it, and who sent it. Real evidence that risk is being managed, not just a policy document.

The dashboard

Know exactly what's happening across your team

Open your dashboard on day one and see what your staff have actually been sending. Most firms are surprised.

  • Total messages vs blocked: see the scale of AI use and how much was stopped
  • Top triggered rules: understand which types of data your team is most at risk of sharing
  • Flag repeat offenders: identify staff who need additional training with one click
  • Override tracking: know when staff decide to send anyway, and which rules are generating false positives
The ChatShield admin dashboard showing total messages, blocked count, warned count, overridden count, false positives, block rate, an activity trend chart, and tables for top triggered rules and top users by infractions.

Features

Everything you need to govern AI use across your team

Works on ChatGPT and Claude

Messages are intercepted in the browser before they reach the AI tool. Your team carries on using ChatGPT and Claude the way they already do. No new tools to learn, no workflow change.

Built-in rule library

Email addresses, phone numbers, NI numbers, card numbers, sort codes, connection strings and more, blocked out of the box with zero configuration required.

Custom rules for your firm

Add the words and phrases that are sensitive to your firm: client names, matter or job codes, partner names, internal codenames. Type them in plain English. We handle the rest.

Your data stays in your browser

Rule evaluation happens locally in the extension. Message content never touches ChatShield's servers. A core privacy commitment, not a marketing claim.

Staff activity and flagging

See who is triggering rules most frequently. Flag repeat offenders for additional training with one click and build a documented governance trail.

Overrides and mistakes are tracked

Staff can flag a block as a mistake or send anyway after a prompt. Every decision is recorded on your dashboard, so you can tune rules that fire too often and spot anyone repeatedly working around the block.

Pricing

Simple, transparent pricing

No setup fees. No long contracts. Cancel any time.

Founder pricing: limited time only
Founder
£8/user/month

3 seat minimum · £24/month to start

  • ChatGPT and Claude coverage
  • Full built-in rule library
  • Unlimited custom rules
  • Activity dashboard and reporting
  • Price locked in forever
Start 14-day free trial
Standard
£15/user/month

5 seat minimum · £75/month to start

  • ChatGPT and Claude coverage
  • Full built-in rule library
  • Unlimited custom rules
  • Activity dashboard and reporting
  • 10+ seats: contact us
Start 14-day free trial

FAQ

Common questions

“Our staff would not paste sensitive data into ChatGPT.”

Most incidents are not deliberate. Someone pastes a client email thread to ask for a summary and does not think twice. ChatShield's own dashboard will show you what is actually happening. Most firms are surprised by what they see in the first two weeks.

“We already have an IT policy that covers AI use.”

A policy tells staff what not to do. ChatShield makes sure it does not happen and gives you the evidence trail if it does. Those are different things, and compliance-minded clients increasingly want the latter.

“Is this a real risk or are you just trying to sell us something?”

The SRA has published guidance on AI use in legal practice. Accounting bodies are addressing it for their members. Professional indemnity insurers are beginning to ask about AI governance at renewal. The regulators and the insurers are moving in the same direction.

“What stops a determined employee from bypassing it?”

ChatShield is not an airtight security perimeter. It is a governance and training tool. It stops accidental exposure, creates an audit trail, and builds good habits. For firms that need to demonstrate due diligence, that is exactly what is required.

See what your team is really sending to AI tools

14-day free trial. Set up in 5 minutes. No IT department needed.