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"By adopting this system we are now seen as professional and progressive within our town"

Daniel Gunther, Owner, Gunther Electrical

"Since adopting Fergus, in the last 6 months, we’ve seen a 60% increase in our business."

Ben, Co-Owner, KVA

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0800 461 219

65 New North Road,
Eden Terrace,
Auckland, 1021

Go paper-free with Fergus Certificates

Say goodbye to certificate pads and paper copies with our easy to use on-the-go digital certificates all from our app.

Start Free Trial

14 day Free Trial. No credit card required.

  rating across 150+ reviews on 

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The gas engineer software trusted by industry leaders

We’ve got the stamp of approval from partners you trust, so you know you’re in good hands.

Fergus is seamlessly connected with Xero and QuickBooks along with leading plumbing and heating suppliers. You'll find Fergus featured in industry publications, including Professional Heating & Plumbing Installer (PHPI), Registered Gas Engineer, and more.

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Fill out certificates on site

Templated gas, oil, and plumbing certificates are pre-populated with job info. All you need to do is plug in what happened on-site.

 Store all certificates in one place, easily accessible and easy to find

 Speed up completion with pre-filled job, customer and licence info

 Track certificates with the Certification Report


Gas certificates

The following digital certificates are available to fill and sign on the go. Can't find the certificate you're looking for? Speak to our team.

 Landlord / Homeowner Gas Safety Record (CP12)

 Service Maintenance Record / Checklist (PAD 9)

 Installation / Commissioning / Decomissioning Record (PAD 17)

 Commercial Catering Inspection Record (PAD 8)

 Mains Pressure Hot Water Cylinder Commissioning Checklist (Unvented Vessel) (PAD 26)

Domestic Gas Testing & Purging (PAD 11)

 Domestic - Legionella Risk Assessment (PAD 19)



Oil certificates

The following certificates are available to fill and sign on the go. Can't find the certificate you're looking for? Speak to our team.

CD/10 Oil Firing Installation Completion Report

 CD/11 Oil Firing Servicing & Commissioning Report

 CD/12 Landlord Oil Installation Safety Check Certificate


making tradespeoples' lives easier

A tool tailored for UK plumbers & gas engineers

Leverage all features of Fergus software to cut admin time and effortlessly manage your jobs from start to finish.

Keep organised with customer details, job files, photos, notes, history, and certificates - all in one place - and run your trades business with ease.

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customer testimonial

Allied Trade Plumbing & Heating steamlines workflows with Fergus

“If you introduce something to your team and it’s not very good, you can be sure they’ll tell you right away. But Fergus was without fault, and everybody was immediately like, this is really good."

- Cameron Burt, Owner

Learn more about digital certificates

6 min read

Making Certificates Digital with Fergus

Let's be honest - you're a pro in your field, a master of plumbing and gas systems. But as you venture into the world...

3 min read

The Benefits of Digital Gas Safety Certificates

In today's fast-paced digital world, the plumbing and gas industry is keeping up with the times to meet the needs of...

5 min read

Everything You Need to Know about Gas Safety Certificates

As a plumbers or gas engineers, it's crucial to understand the significance of gas safety compliance and the importance...


Expert guidance

We offer free virtual and in-person events to help your team get up and running and making the most out of Fergus.

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Local support

Our exceptional support team offers live chat, phone, and email support around the clock at no added cost.

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Help resources

Guided product walkthroughs, videos, and help documentation are always available for you every step of the way.

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Save time and money with the leading job management solution for small to medium trades businesses.


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