- 1. Built for growing teams
- 2. With a full team, the problem isn’t the work. It’s coordination
- 3. GES helps teams keep everything together
- 4. See the whole business at a glance
- 5. Everything an engineer needs in the field, in one app
- 6. Run the day from the desk
- 7. ALL-IN-ONE SOFTWARE
- 8. How growing heating & plumbing teams use GES
- 9. FREE 14-DAY TRIAL
- 10. Get your team set up in minutes
- 11. Frequently asked questions
- 1. Built for growing teams
- 2. With a full team, the problem isn’t the work. It’s coordination
- 3. GES helps teams keep everything together
- 4. See the whole business at a glance
- 5. Everything an engineer needs in the field, in one app
- 6. Run the day from the desk
- 7. ALL-IN-ONE SOFTWARE
- 8. How growing heating & plumbing teams use GES
- 9. FREE 14-DAY TRIAL
- 10. Get your team set up in minutes
- 11. Frequently asked questions
GES FOR OFFICE + ENGINEER TEAMS
The only heating business platform engineers and office staff love
Office staff, engineers, and managers all work off the same jobs. GES connects the field and office in real time, so engineers have everything they need, accounts run smooth, and customers stay happy.
- App for engineers
- Web portal for admin
- Real, UK-based support
Built for growing teams
With a full team, the problem isn’t the work. It’s coordination
Jobs move back and forth between admin, engineers, and managers. GES gives each person everything they need to get their part done and keeps it all connected.
Work flows through GES from first call to final payment, so growing teams don’t turn into growing chaos.
GES helps teams keep everything together
Double bookings, and enquiries that slip away before anyone books them in.
One shared, live calendar keeps the team in sync. Every job lands with the right engineer and no lead gets dropped.
Invoices get sent late, customer requests get lost, and records live everywhere... and nowhere.
All paperwork is connected to the job, accessible in seconds, and synced over the cloud.
Customers left chasing updates and put off by slow, disorganised service.
With every job and note to hand, your team replies quickly and professionally, and keeps customers coming back.
GES CONNECTS OFFICE & FIELD
See the whole business at a glance
With engineers in the field and staff in the office, GES gives you one clear view of the lot. See what's booked, what's done and what's owed, decide who can access what, and keep things running smoothly.
Full visibility of jobs & engineers
One shared, live calendar shows every engineer's day and where each job has got to.
Learn more about schedulingToday's scheduleWed 13/05Dave09:00Boiler service · Patel13:00Gas safety · OkaforPriya08:30Breakdown · Bell11:30Landlord cert · AllenSam10:00Install · Friday14:30Service · WhitakerRoles & permissions for your team
Decide what each person can see and do, so engineers, office staff and managers each get the right level of access.
Learn more about team managementTeam & permissionsRob P. — ManagerFull accessJo P. — OfficeSchedulingDave M. — EngineerField onlySam K. — EngineerField onlyFaster invoicing, healthier cash flow
Completed jobs turn into invoices and sync to your accounts, so you can see what's in and what's still owed.
Learn more about invoicingInvoice #INV-2088PAIDBoiler service£89.00Magnetic filter (supply & fit)£205.00VAT (20%)£58.80Total paid£480.00Paid by link · Crezco View paymentRepeat business from automatic reminders
Service reminders go out on their own and bring customers back, year after year.
Learn more about remindersService remindersMay 2027SWMrs S. Whitaker14 MayJPMr J. PatelReminder sent
Everything an engineer needs in the field, in one app
Your engineers get their schedule, job notes and paperwork on one app, so they can do their best work with less hassle. Paperwork files itself away, schedules update on their own, and everything they need is a tap away.
Quick, easy & professional certificates
Create and issue every gas and oil certificate from the app on-site, even with no signal.
Learn more about records & certificatesISSUEDLandlord Gas Safety (CP12)14 Beech Lane · Cert No. GS-4291ApplianceWorcester 30SiOperating pressure21 mbarCO reading12 ppmFlue testPassSigned by A. Kelly · Gas Safe 591234 · sent to customerInstant access to job notes, histories & schedules
Every job note, customer detail and past visit is on the app, so engineers turn up knowing exactly what they're walking into.
Learn more about job managementLWMrs L. Whitaker14 Cromwell Road, Bristol BS6 5HXJob notesBoiler's in the loft — take the long ladderDave R. · 12/03/25Gate code 4821 · dog in the gardenOffice notePrefers morning visitsCustomer preferenceBoiler manuals & AI assist
Over 2,300 boiler manuals in the app, plus an AI assistant that finds what you need in seconds.
Learn more about boiler manualsVaillant eco2,300+ manualsPDFVaillant ecoFIT Pure 830AI Assist: On the ecoFIT Pure, error F.22 means low water pressure — top up to 1–1.5 bar via the filling loop. ecoFIT Pure 830 (p.61)Heating tools & calculators
Everyday tools like the gas rate and pipe sizing calculators are built into the app.
Learn more about heating toolsGas Rate CalculatorNatural Gas · M3Initial reading2841.50Final reading2841.57GAS RATE2.10m³/hrGROSS22.6kWNET20.4kW
Run the day from the desk
Your office team plans the work, keeps customers updated and gets the invoices out, all from one place. Engineers see their own jobs, and everything done in the field lands back in the office in real time, so no one is left chasing an update.
Schedule & dispatch the whole team
Plan the whole team's day and send the right engineer to each job, all from the web.
Learn more about schedulingTeam calendarWed 13/05Dave09:00Boiler service · Patel13:00Gas safety · OkaforPriya08:30Breakdown · Bell11:30Landlord cert · AllenSam10:00Install · Friday14:30Service · WhitakerInvoicing and payment chasing, handled
Completed work flows straight into invoicing, and GES chases any overdue payments for you, so the office isn't ringing engineers for job sheets or customers for money.
Learn more about invoicingInvoice #INV-2088PAIDBoiler service£89.00Magnetic filter (supply & fit)£205.00VAT (20%)£58.80Total paid£480.00Paid by link · Crezco View paymentFind any customer or job in seconds
Search any customer, address or job and pull up the full history in seconds.
Learn more about customer managementCustomers 1,284 totalSearch name, postcode or phone…LW6 jobsMrs L. WhitakerBristol BS6JP3 jobsMr J. PatelLondon SE1SL12 jobsSherwood LettingsNottingham NG1Accounting synced to Xero, QuickBooks or Sage
Customers, invoices and payments sync straight into your accounting software, so nothing has to be entered twice.
Learn more about integrationsAccounting syncXeroQuickBooksSageMrs L. WhitakerInvoice #INV-2043 ·£94.00Payment received ·£94.00Synced to your accounts
ALL-IN-ONE SOFTWARE
How growing heating & plumbing teams use GES
GES makes everyone on the team’s job easier. Engineers get the information and tools they need in the field, office staff can schedule and track jobs properly, and managers see the health of the business.
SCHEDULING & CALENDAR
Scheduling for the whole team
All jobs are connected and run through the same calendar, syncing to everyone's device. Add custom job statuses that suit your workflow.
USER MANAGEMENT
Access rights for different roles
Give office staff, engineers and managers the right level of access, so everyone sees what they need.
RECORDS & CERTIFICATES
Certificates issued in the field
Every gas and oil certificate, created and issued on the app on-site, for every job.
INVOICING & PAYMENTS
Fast & easy payments, with less admin
Turn completed jobs into invoices and take payment through low-fee digital links.
ACCOUNTING INTEGRATIONS
Tidy & up-to-date books & accounts
Sync all invoices, customers and payments to Xero, QuickBooks or Sage. GES is MTD ready.
AUTOMATED REMINDERS
Diaries packed with repeat business
Service, invoice and quote reminders go out on their own, so customers come back and invoices get paid.
“Three years after we went onto the software, my company tripled in size — the team tripled, and my revenue tripled.”
FREE 14-DAY TRIAL
Get your team set up in minutes
Try GES for free and ask our team to import your customer data.
- Add your team during the free trial
- Create and assign jobs
- Free onboarding call included
- No credit card required
Frequently asked questions
Got a question we haven't covered? Talk to our team.
Is Gas Engineer Software suited for a bigger team with office staff?
Yes. GES is built to scale from a handful of engineers up to 20 or more, with the web scheduling, roles and integrations an established business needs. Your office plans and schedules the work, engineers run their day from the app, and managers get the full picture. As you grow you add users and set what each person can access, so the system grows alongside your business.
Can the office schedule while engineers just see their own jobs?
Yes. Your admin team plans and dispatches from the web portal, and engineers get their day on the mobile app with the addresses, notes and history they need. Everyone works off the same live calendar, so the office and the field are never out of step. Learn more about scheduling here.
Can we control what each person can see and do?
Yes. Roles and permissions let you decide each person's access, so engineers see the jobs that are theirs, office staff handle scheduling and invoicing, and owners and managers get full oversight. You set it once and it applies across web and mobile. Learn more about team management here.
Does each user need their own licence?
Each person on the team gets their own login, so office staff, engineers and managers can all work at the same time with the right level of access. You add a user for each person and add more as you take on staff, and you can set the whole team up during the free 14-day trial before you decide.
Does it connect to our accounting software?
Yes. GES integrates with Xero, QuickBooks and Sage, so invoices, customers and payments sync across automatically instead of being keyed in twice. You can also send customers digital payment links, and engineers can pull readings straight from their analyser. See all integrations here.
Can you help us migrate from our current system?
Yes. Moving an established business across is something we do regularly. Our UK-based team will import your customer data during onboarding and get everyone set up, so the switch doesn't disrupt the day-to-day.
Do you train the whole team?
We do. GES is intuitive and easy to set up, but every team is entitled to free onboarding support, demos, and training. Our UK-based support team is on hand by phone, email and live chat, Monday to Friday.
What happens if an engineer loses signal on-site?
The app works offline. Engineers can still see their schedule, open jobs and fill out certificates in a basement or a rural property with no signal, and everything syncs automatically once they're back online.