Software Development for UK Field Service Businesses

Field service lives or dies on the job sheet

Field service firms, from gas and electrical contractors to fire safety, HVAC, lift, security and facilities maintenance companies, all share the same loop: a job is booked, scheduled, attended, certified, invoiced and paid. Every step that relies on paper or a phone call slows cash flow and risks a missed compliance visit.

Packages such as Simpro, Commusoft, BigChange, Joblogic, ServiceM8 and Jobber cover the common loop well, and for many firms one of them is the right answer. dijitul developments builds where they stop: a certificate type they do not support, a contract model that does not fit, a customer portal your clients expect, or integrations between the job system and everything else.

What we build

• Engineer apps. A mobile app or PWA with job details, site history, risk assessments, checklists, photos, parts used, customer signature and time on site. Works offline in plant rooms and basements.
• Digital certificates. Structured forms that generate PDF certificates, with validation so required fields cannot be skipped.
• PPM contracts. Contracts, assets and maintenance frequencies, including SFG20 task schedules where you subscribe, generating visits automatically and flagging overdue ones.
• Scheduling and dispatch. Jobs matched to engineers by skill, location and availability, with route-aware suggestions.
• Customer portals. Certificates, asset registers, job history and quote approvals for facilities managers and landlords. See customer portals.

Certificates and regulations

• Gas safety: under the Gas Safety (Installation and Use) Regulations 1998, landlords need an annual gas safety check by a Gas Safe registered engineer and must give tenants a copy within 28 days. Engineer apps must capture the record correctly and get it to the landlord quickly.
• Electrical: EICRs are made against BS 7671. In England, the Electrical Safety Standards in the Private Rented Sector (England) Regulations 2020 require inspection at least every five years, so landlord clients rely on accurate due dates.
• Fire safety: fire detection and alarm servicing against BS 5839-1 and emergency lighting against BS 5266-1 generate logbooks and certificates that responsible persons need under the Regulatory Reform (Fire Safety) Order 2005.
• F-gas: refrigerant handling records and leak checks for air conditioning and refrigeration.
• Lone working and RAMS: risk assessments and check-ins for engineers on their own.

We build the forms; your competent people sign them. The software makes sure the right checks are recorded every time.

Integrations

Simpro, Commusoft, BigChange and Joblogic offer APIs or partner integrations. We sync jobs, customers, sites and assets with your portal or bespoke tools, and send invoices to Xero, QuickBooks or Sage as soon as a job is signed off. Card payments on site or by link run through Stripe. Address capture uses postcode lookup. See API integration.

From call to cash: a typical reactive job

Here is how a reactive job flows once the system is in place. A facilities manager logs a fault through the customer portal, choosing the site and asset and adding photos. The system checks the contract: is the asset covered, what is the response time, is there a cost limit before approval is needed? It creates a job with a deadline and suggests the nearest engineer with the right skills and van stock.

The engineer accepts on the app, the customer gets an arrival notification, and on site the engineer sees the asset's history and previous certificates. They record the fault, work done, parts used and photos, complete any required certificate, and get a signature. If more work is needed, the app raises a quote for office approval.

On sign-off the job closes, the certificate is emailed and stored in the portal, parts come off van stock, and the invoice goes to Xero or QuickBooks with the job sheet attached. If the contract has a monthly billing arrangement, the job is added to the next contract invoice instead. The office only touches the exceptions.

Getting started

Tell us your job types, certificates and the systems you already use. After a free chat we decide whether to extend your package or build, then give a fixed-price quote. Related: software for construction and software for property.

What we deliver

• Scheduling and dispatch with skills, location and availability
• Engineer mobile app with forms, certificates, photos and parts used
• PPM contract management and automatic visit generation
• Customer portal with certificates, job history and quotes
• Integration with accounting and your existing job management system
• Live engineer status and arrival notifications

How it works and what it costs

Every project gets a fixed-price quote after a free initial chat and a short scoping stage. You own the code and the data.

1. Free chat

   Tell us the problem in plain English: what you do now, what goes wrong and what "better" looks like. No charge, no obligation.

2. Scoping

   We map the processes, systems and data involved, agree what is in and out, and write it down so there are no surprises.

3. Fixed-price quote

   You get a fixed price for the agreed scope, or a phased plan for bigger builds, so you can start small and prove it works.

4. Build and test

   We build in short stages you can see and try, test against real data, then go live carefully with a rollback plan.

5. Hand over and look after

   You own the code and the data. We can host it, support it and keep improving it, or hand it to your own team.

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