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ServiceNow Development
Custom and scoped applications, Business Rules, Script Includes, client script, catalog and portal development — build capability that works inside the platform, not around it.
We help organisations reduce software waste, automate manual processes and strengthen platform governance, so you get more value from ServiceNow.

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Custom apps, scripting, Flow Designer
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Full lifecycle, out-of-the-box first
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IntegrationHub, REST, SOAP, MID Server
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CMDB, performance, technical debt
Trusted by leading organisations worldwide
What we do
First Computing helps organisations design, develop, integrate and optimise ServiceNow — turning complex business processes into secure, automated and governed digital workflows.
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Custom and scoped applications, Business Rules, Script Includes, client script, catalog and portal development — build capability that works inside the platform, not around it.
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Discovery through to go-live and optimisation, with solution architecture agreed up front and native ServiceNow functionality used wherever practical.
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Flow Designer, subflows and orchestration that remove the manual approvals, handoffs and re-keying still sitting inside your processes.
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IntegrationHub spokes, REST and SOAP APIs and MID Server connections to identity, HR, ERP, CRM, monitoring and security platforms.
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CMDB architecture, Discovery, Service Mapping, Identification and Reconciliation, data quality and CSDM alignment.
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Software models, entitlements, reconciliation, licence compliance, SaaS governance and hardware asset lifecycle management.
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A structured assessment of architecture, customisation, scripting, performance, security, CMDB, technical debt and upgrade readiness.
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Experienced ServiceNow developers added to your team to clear the backlog, fix defects and deliver new functionality.
ServiceNow expertise
Not every organisation needs every module. We recommend what your requirements justify, then implement and develop it properly.
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Incident, problem, change, request, catalog, knowledge and major incident practice.
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Discovery, Service Mapping, Event Management and operational visibility.
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Hardware asset lifecycle, governance and optimisation.
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Software models, entitlements, reconciliation and licence compliance.
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Architecture, data quality, CI relationships and service modelling.
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Employee lifecycle, HR case management and workflow automation.
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Customer cases, portals and end-to-end service automation.
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Vulnerability response and security workflow integration.
How we help
The same delivery discipline whether the engagement is one integration or a multi-module programme.
Step 01
Understand the process, the systems, the data and what the organisation is actually trying to fix.
Step 02
Solution architecture, data model and integration pattern documented and agreed before build.
Step 03
Configuration first, custom development where justified, built to documented standards.
Step 04
Connect surrounding systems so the workflow runs end to end without manual handoffs.
Step 05
Unit, integration and ATF automated regression coverage plus structured user acceptance.
Step 06
Controlled release with rollback planning, cutover runbook and post-deployment validation.
Step 07
Measure adoption, performance and process outcomes, then keep improving against them.
Engagement
Four routes in, depending on where you are. Most organisations start with an assessment and move into delivery and ongoing optimisation from there.
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Understand where you are losing money, time or control.
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Implement the highest-value improvements first.
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Keep your environment operating and improving.
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Continuously identify new opportunities to reduce cost, automate work and reduce risk.
Cost out
Most IT budgets carry spend nobody has looked at in years. We find it, quantify it and give you a plan to remove it — across software, licensing, assets, process and the platform itself.
Offer
From £10,000
A cross-estate review of where IT budget is leaking — software, tooling, licensing, process and platform inefficiency.
What's included
Offer
A focused conversation about the work your team is doing manually, where your platform is slowing you down and what a sensible next step could look like.
Book an operations reviewWhy First Computing
The people who scope your engagement are the people who configure, script, integrate and test it.
Senior developers and consultants working directly with your team.
Native platform capability before customisation, with every exception justified.
Architecture, documentation and test coverage that keep the platform upgradeable.
Governance
Make software spend visible, defensible and easier to manage across the whole estate.
Bring software, SaaS and subscription data into one view.
Find unused, duplicated and under-utilised licences before renewal.
Turn clean data into renewal decisions, savings and better controls.
Delivery discipline
The platform should be understandable to the people who own it after we leave.
The outcome, scope and constraints agreed before work starts.
Architecture, data model, configuration and integration decisions captured as we build.
Release notes, test coverage and next steps that make the work maintainable.
Insights
Practical guidance for IT leaders navigating ServiceNow, software governance and automation.
SaaS governance
5 May 2026 · 8 min read
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Software licensing
25 August 2026 · 9 min read
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IT asset management
24 August 2026 · 9 min read
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Let's talk
Whether you are implementing ServiceNow, improving an existing instance, automating a process, building an integration or looking for extra development capability — tell us the problem and we will tell you how we would approach it.