New System Implementation

Go live with confidence. Deliver change that works. For many finance leaders, implementing a new system is an opportunity to fix what’s been holding the business back

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A new finance system is more than a technical upgrade. It’s a strategic enabler.

Whether it’s manual month-end workarounds, outdated reporting, disjointed controls, or simply too much time spent preparing numbers instead of explaining them.

But the success of your new system isn’t determined by features or licensing models. It’s determined by how well the system fits your business—and how effectively it’s implemented.

At itas, we specialise in delivering Sage finance system implementations that are tailored, well-governed, and grounded in how your organisation actually works. We don’t just install software—we help you reshape your finance function around smarter processes, better data, and clearer insight.

Why System Implementation is a Critical Moment

A new system is one of the biggest change events a finance team will go through. Done well, it delivers:

Cleaner, faster reporting

Improved audit and compliance readiness

Streamlined processes with fewer manual interventions

Real-time visibility of performance and cash

Capacity to scale without adding headcount

Greater confidence across the wider business in finance output

But done poorly, it can cause more problems than it solves - resulting in user frustration, missed reporting deadlines, increased risk, and spiralling costs.

Our role is to ensure your implementation is built on structure, realism, and relevance - not just best intentions.

Who We Work With

We support UK-based organisations that are:

Moving from Sage 50, spreadsheets, or legacy systems

Upgrading to Sage 200, Sage Intacct, or integrating with wider ERP

Migrating from on-premise to cloud finance systems

Consolidating systems across group entities

Introducing automation and workflow across AP, AR, reporting, and approvals

Replacing fragmented tools with a single source of truth for finance

Our clients include group finance teams, scale-up SMEs, not-for-profits, and professional services firms needing a modern, resilient finance platform.

What We Deliver

Our implementation services are end-to-end, covering:

Project planning, governance, and stakeholder alignment

Finance process mapping and redesign

Sage system configuration and best-practice setup

Data migration, cleaning, and validation

Report building and dashboard setup

User training, onboarding, and post-go-live support

Integration with key systems (e.g. CRM, payroll)

Change and communication planning

Our implementation approach

At itas, we follow a structured but flexible delivery model that keeps your goals front and centre. Our approach combines proven methodology with sector knowledge, ensuring your project delivers the outcomes that matter.

Enhanced Collaboration with Integrated Communication Tools

Sage Intacct streamlines team collaboration with built-in communication tools. Instead of relying on emails or in-person queries, finance teams can leave comments directly on transactions, ensuring fast and clear decision-making.

1. Discovery and Scoping

We begin with a detailed review of your business model, current systems, pain points, and goals. This includes:

Workshops with key stakeholders
Finance process walkthroughs
Data structure analysis
Reporting and compliance needs
Change appetite and team readiness

We use this to shape a delivery plan that fits your capacity and aligns with your broader transformation goals.

2. Process Mapping and Redesign

A system is only as good as the process it supports. We document your “as-is” processes and work with your team to design smarter, streamlined “to-be” workflows that reflect both Sage functionality and best practice.

Whether it’s month-end close, AP automation, or project accounting—we help you make things faster, clearer, and better controlled.

3. Configuration and Setup

We configure your Sage system to match your structure, including:

Multi-entity or group reporting
Dimensional structures (e.g. department, project, region)
Chart of accounts design
Approval workflows and segregation of duties
Role-based access controls

We balance standardisation with flexibility—so your system reflects both your governance and your business needs.

4. Data Migration and Validation

One of the most sensitive parts of any implementation, we take care to:

Clean and standardise existing data
Design migration templates that reflect your new system
Perform trial loads and reconciliations
Ensure data accuracy and audit readiness
Plan cutovers around business timelines

Bad data leads to bad outcomes—we make sure yours is ready for success.

5. Reporting and Dashboards

We help you move from backwards-looking reports to dynamic, real-time dashboards that reflect the performance drivers your business needs to see. This includes:

Custom reports (P&L, cash flow, project actuals)
KPI dashboards by entity, department, or user
External stakeholder reporting formats
Audit and control visibility

You’ll gain better insight—not just more data.

6. User Training and Change Support

Change is only successful if your team is ready. We deliver:

Role-based user training
Quick-reference guides and videos
Hypercare support at go-live
Issue resolution and escalation processes
Embedded knowledge transfer for ongoing learning

We don’t leave you to figure it out—we help your team feel confident and supported.

7. Post-Go-Live Optimisation

After go-live, we stay involved to help:

Track early-stage performance
Resolve initial snags and data issues
Optimise configuration based on real usage
Support audit or board reporting cycles
Build a roadmap for future functionality (e.g. automation, budgeting tools)

Implementation doesn’t stop when the system switches on. We make sure the change sticks.

Let’s implement better

You don’t just want to go live - you want to go live well.

At itas, we help you implement your new system with structure, clarity, and purpose. From day one to go-live (and beyond), we’re by your side to ensure your system fits your people, your goals, and your growth.

Book a discovery session to explore how we can support your new system implementation.

Example Implementation Scenarios

Here are some real-world examples of when this approach makes the difference:

From Sage 50 to Sage Intacct for a Growing Consultancy

We supported a professional services firm outgrowing Sage 50. We implemented Sage Intacct with project accounting, multi-entity support, and real-time reporting across cost centres. The firm reduced close time by 40% and gained visibility across group functions for the first time.

Sage 200 Rollout with Multi-Location Stock and Finance

A UK manufacturer with two sites needed a unified Sage 200 solution to replace fragmented accounting and inventory tracking. We led the system configuration, integrated with their MRP system, and trained staff across functions. Stock accuracy and reporting consistency both improved significantly.

Post-Implementation Rescue and Redesign

A non-profit organisation implemented a finance system without clear design or training. We were brought in post-go-live to rework reporting, retrain users, and redesign controls. Within six months, finance regained stakeholder confidence and audit readiness.

What sets itas apart?

We don’t see implementations as “install and exit” jobs. We build systems—and relationships—that last.

Why clients choose us:

Finance-led thinking, not just technical delivery

Honest advice and plain-English communication

Experience with complex structures, not just simple installs

Knowledge of both the Sage product set and real-world finance needs

A people-first approach to training, change, and handover

Long-term partnerships, not one-off projects

We bring structure to the project and empathy to the process—because change is hard, and systems need to work for real people.

When to Start Planning Your Implementation

When you've chosen a new Sage system but need support

When you’re unhappy with your current platform or support

When your finance team is spending too much time chasing numbers

When you’re planning a wider digital or operational transformation

When business complexity is outpacing system capability

When you want to improve controls, visibility, and reporting maturity

“Working with itas during the early stages of our transformation gave us the clarity we needed to approach vendors with confidence. Their insight into the finance function made a huge difference. We didn’t just buy a system—we made a strategic investment that’s now paying off.”
Finance Director, UK-based Services Firm

Why choose itas as your transformation partner?

At itas, we know a new system brings more than software—it brings change. That’s why our implementation services go beyond setup and go-live. We help you manage the transition with structure, clarity, and minimum disruption.

As a multi-award-winning Sage Partner, we’ve guided hundreds of organisations through successful finance and ERP implementations—from mid-market firms to fast-scaling teams with complex needs.

We’re not just ticking boxes. We’re helping you build something that works.

Here’s how we support your implementation:

Tailored project planning based on how you operate—not a generic template
Finance-first focus so your team gets what it needs from day one
Dedicated consultants who know Sage inside-out and speak your language
Hands-on training that’s practical, relevant, and role-specific
Data migration and system testing done with rigour and transparency
Risk-managed delivery—with clear communication and no jargon
Change support to keep staff engaged and adoption on track

We’re big enough to handle the technical complexity. And we’re small enough to care about the people side of change.