01 - Services
Fix the leaks.
Connect the rest.
The Sentinel Systems builds automations, integrations, AI assistants and custom apps for service businesses in the UK, US and Canada. Projects start from £249 (US$319), with a fixed quote first.
Last updated:
All services
- 01 -
Free Automation Audit
30 minutes. A short plan with your 3 highest-value automations.
- 02 -
Never Miss a Lead
Our flagship system for service businesses. Live in about 7–14 days.
- 03 -
Custom automation & integration
Connect any systems. Kill the copy-paste.
- 04 -
AI assistants
Chat agents that answer, qualify and book - around the clock.
- 05 -
Data cleanup & migration
Clean, merge and move your data without losing history.
- 06 -
Custom apps & dashboards
Client portals, internal tools and live reporting.
01 / Free Automation Audit
Find the hours you're losing.
30 minutes. A short plan with your 3 highest-value automations.
- Your 3 highest-value automations
- Where leads and time leak out
- Written plan in 2 business days
01 - Free
Free Automation Audit
Free
The Free Automation Audit is a 30-minute call where we review your tools and processes, then send a short written plan with your three highest-value automations. It's free, for any UK, US or Canadian business that wants to know where time and leads are leaking.
The problem
You know things could run smoother, but not where to start or what's worth doing first.
What's included
- 30-minute call reviewing your tools and process
- We spot where time and leads leak out
- A short written plan with the 3 highest-value automations
- No obligation, no hard sell
Typical timeline
Plan in your inbox within 2 business days
Example tools
Whatever you use today
02 / Never Miss a Lead
Every enquiry answered in seconds.
Our flagship system for service businesses. Live in about 7–14 days.
- Instant replies on every channel
- Missed calls texted back
- Bookings and reviews on autopilot
From
See how it works →
02 - Fixed price
Never Miss a Lead
From
Prices shown in GBP based on your location.
Never Miss a Lead is an automation system that replies to every new enquiry within seconds by text and email, texts back missed calls, books appointments and asks for reviews. It's built for UK, US and Canadian service businesses and goes live in 7-14 days.
The problem
Enquiries come in from everywhere and slip through the cracks. Missed calls go nowhere. Reviews never get asked for.
What's included
- Instant reply to every web, ad and social enquiry
- Missed-call text-back
- Online booking with reminders
- Automatic review requests
- A simple sales pipeline
- Built on your existing CRM - or we set one up
Typical timeline
Live in about 7–14 days
Example tools
GoHighLevel · HubSpot · Zoho · Pipedrive · Twilio · Google Business Profile
03 / Custom automation & integration
Your tools, finally talking.
Connect any systems. Kill the copy-paste.
- No more copy-paste between apps
- Two-way data sync
- Invoices and reports sent for you
From
See how it works →03 - Quoted per project
Custom automation & integration
From
Prices shown in GBP based on your location.
Custom automation and integration connects the software you already use, such as your CRM, accounting, calendar and job tools, so data moves between them without copy-paste. It's for businesses whose team spends hours each week moving information by hand.
The problem
Your data lives in five places and someone spends hours moving it between them.
What's included
- Connect any systems with an API, webhook or export
- Two-way data sync
- Automated documents and invoices
- Client onboarding flows
- Automated reporting
Typical timeline
Days for small builds, a few weeks for bigger ones
Example tools
n8n · Make · Zapier · Airtable · QuickBooks · Xero · Custom scripts
04 / AI assistants
A front desk that never sleeps.
Chat agents that answer, qualify and book - around the clock.
- Answers questions 24/7
- Books calls straight into your calendar
- Hands off to a human when needed
From setup
See how it works →
04 - Setup + monthly
AI assistants
Fromsetup + /mo
Prices shown in GBP based on your location.
An AI assistant is a website or SMS chat agent that answers customer questions in your tone of voice, qualifies leads and books appointments around the clock. It's for service businesses that get enquiries outside office hours and usually takes 1-3 weeks to set up.
The problem
Customers want answers now, at 10pm, by text or web chat. Your team can't be everywhere at once.
What's included
- Website and SMS chat agents
- Answers questions in your tone of voice
- Qualifies leads and books appointments
- AI document and email processing
- Monthly tuning and monitoring
Typical timeline
Usually 1–3 weeks
Example tools
OpenAI · Claude · Twilio · Your CRM
05 / Data cleanup & migration
One clean source of truth.
Clean, merge and move your data without losing history.
- Duplicates merged
- Fields fixed and standardised
- Reports you can finally trust
From
See how it works →
05 - Fixed price per project
Data cleanup & migration
From
Prices shown in GBP based on your location.
Data cleanup and migration de-duplicates, fixes and standardises your records, then moves them to a new system with notes, files and history intact. It's for businesses with messy CRMs or a software switch coming up, and typically takes 3-10 days.
The problem
Duplicates everywhere, half-filled records, and a switch to a new system you're dreading.
What's included
- De-duplicate and merge records
- Clean and standardise fields
- Move data between systems
- Keep notes, files and history intact
- Check for zero missing records
Typical timeline
Typically 3–10 days
Example tools
JobNimbus · HubSpot · Google Drive · Google Sheets · CSV
06 / Custom apps & dashboards
Built around how you actually work.
Client portals, internal tools and live reporting.
- Dashboards for the numbers that matter
- Secure team logins
- Shaped to your process, not a template
From
See how it works →
06 - Quoted per project
Custom apps & dashboards
From
Prices shown in GBP based on your location.
Custom apps and dashboards are client portals, internal tools and live reporting built around how your business works, with secure logins you own outright. They're for teams whose off-the-shelf software almost fits, and usually take a few weeks.
The problem
Off-the-shelf software almost fits - but the gaps cost you every day.
What's included
- Client portals
- Internal tools for your team
- Live reporting dashboards
- Secure logins and roles
- Fully documented and yours to keep
Typical timeline
A few weeks, scoped with your quote
Example tools
Next.js · Supabase · React · APIs
After launch
Sentinel Care keeps watch.
Monthly plans that monitor your automations, fix problems before they hurt and keep adding improvements.
See Sentinel Care plans →Works with what you already use
If it has an API, a webhook, an export or a Zapier/Make connector, we can work with it.
What tools do you integrate with?
We integrate with any software that has an API, a webhook, a data export or a Zapier or Make connector. That covers HubSpot, GoHighLevel, Zoho, Pipedrive, Jobber, JobNimbus, Stripe, Airtable, n8n, Zapier, Make, Google Workspace and more. If a tool truly can't connect, we tell you before you pay anything.
- HubSpot
- GoHighLevel
- Zoho
- Pipedrive
- Jobber
- JobNimbus
- Stripe
- Airtable
- n8n
- Zapier
- Make
- Google Workspace
- Slack
- QuickBooks
- Xero
- Twilio
- Supabase
- OpenAI
- Claude
Ready to stop doing it by hand?
A free 30-minute audit. We review your tools and send a short plan with your three biggest wins.