SAP S/4HANA Implementation Services Led by Senior Architects

We design, configure and deliver S/4HANA implementations - greenfield, brownfield or selective - with senior consultants from our nearshore Portugal hub. Real architectural ownership, flexible engagement, transparent costs.

Problems we solve

Junior-heavy implementation teams

Large SIs staff S/4HANA programmes with pyramid structures: one architect, ten juniors. Configuration drifts, design decisions get reopened, and senior time gets billed at junior throughput. We send senior consultants who own the deliverable end-to-end.

Architectural debt at go-live

Implementations rushed to a date inherit configuration debt, custom code workarounds and untested integrations. Stabilisation drags for months. We embed Clean Core principles into the design phase so what goes live is what scales.

Stalled S/4HANA programmes

Budgets expand. Timelines slip. Scope grows without architectural clarity. We re-establish direction, governance and delivery focus so the programme moves again.

Internal teams stretched at cutover

Cutover and hypercare consume internal capacity. Day jobs queue up while critical knowledge transfer is rushed. Our consultants cover the cutover load and document everything for retention.

Outcomes

What changes when senior consultants own the S/4HANA implementation. Concrete results, measured against your programme baseline - not generic transformation promises.

Senior Architects from Day One

Most architectural placements mobilise within 1-2 weeks. Full implementation squads stand up within 3-4 weeks. No three-month recruitment cycle, no design void at programme start.

Programmes Back on Track Within 6 Weeks

Stalled S/4HANA programmes typically recover within 6 weeks once the architectural bottleneck is addressed and governance is reset. Delivery momentum is restored.

30-50% Lower Delivery Cost than Large SIs

Nearshore Portugal rates are typically 30-50% below UK, Swiss and German SI benchmarks - with senior expertise retained. You pay for delivery, not for structure.

Clean Core Baseline at Go-Live

Custom code is challenged early, not patched in late. Past programmes have reduced custom code by 65% before upgrade, keeping the S/4HANA estate clean from go-live forward.

Where We Shine

Five reasons mid-size and large enterprises choose Newronium for SAP S/4HANA implementation services.
01 | Execution first

We deliver, not just advise

Our SAP architects integrate into your team and stay through implementation, stabilisation and hypercare - not only the design phase. Accountability is built into the engagement.
02 | Flexibility

One consultant or a full squad

Start with a single architect for the blueprint. Scale into a multidisciplinary squad for build and cutover. Move to a dedicated AMS team after go-live. No forced commitment up front, no rigid contracts.
03 | Nearshore

Portugal-based delivery hub

Senior expertise at rates more competitive than the UK, Switzerland or Germany. Same time zone as the rest of Europe. No offshore communication friction during cutover.
04 | Combined practice

SAP + Data + AI under one roof

Most SAP service providers handle SAP and data separately. We combine them, so master data and reporting foundations are part of the implementation - not a Phase 2 problem.
05 | Lean structure

Fast decisions, direct access

Smaller governance overhead means faster decisions, direct access to senior architects, and rapid consultant mobilisation when scope shifts mid-programme.
Talk to us

See if we're the right fit for your S/4HANA programme

A 20-minute call is enough to know whether our S/4HANA implementation services match your situation.
Discuss your programme

Built for SAP Teams at Every Stage of S/4HANA Implementation

Whether you're starting your first S/4HANA implementation or recovering one mid-flight, our services adapt to the situation.

Heads of SAP & Programme Managers

Running S/4HANA implementations on tight deadlines. Need senior architectural ownership and reliable delivery without diluting governance.

IT Directors & CIOs

Treating S/4HANA as a once-in-a-decade modernisation. Need a partner who delivers cost-efficiency without losing architectural quality.

ECC Application & Support Managers

Running ECC today and preparing for the S/4HANA transition. Need senior support to manage the parallel reality of legacy and new systems.

Procurement & Vendor Managers

Under pressure to control SI spend on a multi-year S/4HANA programme. Need transparent pricing and the option to scale teams up or down by phase.

Mid-market enterprises moving from ECC

First-time S/4HANA implementations under 2027 timing pressure. Need senior expertise without the structure or overhead of a top-tier SI.

Multi-country rollout teams

Running S/4HANA template plus country deployments in parallel. Need flexible scaling - individual architects for niche areas, squads for full country waves.

How SAP S/4HANA Implementation Works

Context Understanding

Before recommending an implementation approach, we analyse the technological, regulatory and organisational context.

Rapid Context Diagnosis

Before proposing a greenfield, brownfield or selective approach, we analyse the environment where the work will happen. We assess:

•       The business and technology priorities

•       The maturity of the existing ECC estate

•       The volume and criticality of custom code

•       The delivery culture and governance model

•       The urgency and scope of the programme

The result is an implementation approach grounded in your reality, not a templated playbook.

Precision Matching

We don't send CVs. We assemble the architectural and functional team that fits the implementation profile.

Precision Matching

Every profile is evaluated for technical depth, industry exposure, S/4HANA module breadth, programme complexity, communication maturity, and ability to operate within your governance model. The result is not just a CV match. It is an architect or consultant who integrates, contributes and accelerates from day one.

SAP S/4HANA · BTP · ABAP · FI/CO · MM · SD · QM · EWM · PP · Fiori

Structured Onboarding

Fast integration supported by clear scope, design ownership and governance alignment.

Structured Onboarding & Delivery

Speed only works if integration is controlled. We align expectations, design ownership, reporting lines and technical standards from day one. Clear decision rights. Clear milestones. Clear handover to AMS post-go-live.

Blueprint reviews · Design authority · Cutover plan · Hypercare framework

Results

Three programmes where Newronium consultants restored delivery, prepared the upgrade path, or stabilised the implementation team.
Manufacturing · S/4HANA Rescue

Global manufacturer

Programme stalled at 18 months with budget overruns and no clear path to go-live. Newronium ran an architectural review and governance reset; the programme was back on track within 6 weeks.
6 wks
to recover programme
18 mo
prior delay reset
100%
go-live within revised scope
Week 0
Programme paused. Budget overrun.
Week 2
Architectural review complete.
Week 6
Governance reset. Delivery resumed.
Go-Live
Delivered within revised scope.
Retail · Clean Core for S/4HANA

European retailer

Legacy SAP environment with 400+ custom objects blocking the S/4HANA upgrade path. Newronium led the Clean Core strategy and custom code remediation. Custom code was reduced by 65%, clearing the upgrade path.
65%
custom code reduction
400+
custom objects assessed
Cleared
S/4HANA upgrade path
Audit
400+ custom objects mapped.
Strategy
Clean Core principles defined.
Remediation
65% custom code retired.
Outcome
Upgrade path open.
Pharmaceuticals · Implementation Reinforcement

Pharma group

Large transformation programme lacking experienced resources for data migration, logistics and quality processes. Senior SAP consultants (QM, MM, Data Migration) integrated into the programme team. Delivery stabilised across critical workstreams without internal hiring pressure.
3
critical workstreams stabilised
migration error rate
On time
global rollout maintained
Brief
QM, MM, Data Migration gaps.
Mobilisation
Senior consultants integrated.
Migration
Errors reduced. Quality stabilised.
Rollout
Global timelines maintained.

FAQs About SAP S/4HANA Implementation

Direct answers to the questions buyers ask before engaging an S/4HANA implementation partner.

What is SAP S/4HANA implementation?

SAP S/4HANA implementation is the process of designing, configuring and deploying SAP's next-generation ERP suite, either as a replacement for SAP ECC or as a first ERP. The work covers business blueprint, system design, configuration, custom development, data migration, integrations, testing, cutover and hypercare. Implementations are typically delivered as greenfield (new build), brownfield (system conversion from ECC) or selective transition (hybrid scope). Newronium delivers all three approaches from a nearshore Portugal hub, with senior architects owning the design and senior consultants owning the build. Pricing is set by daily rates, blended squad rates or monthly retainers depending on the engagement model.

How much does SAP S/4HANA implementation cost?

SAP S/4HANA implementation cost depends on scope, approach (greenfield, brownfield or selective), number of countries and modules, and the engagement model. Newronium uses a daily rate for individual consultants, a blended monthly rate for full implementation squads, and a monthly retainer for post-go-live AMS. Daily rates are typically 30-50% lower than large SIs such as Accenture or Capgemini, while keeping senior expertise. Pricing is transparent and aligned with the type of engagement, with no minimum spend on individual consultant placements.

How long does SAP S/4HANA implementation take?

SAP S/4HANA implementation timing depends on approach and scope. Mobilisation of the implementation team is fast: most individual placements start within 1-2 weeks, and squads stand up within 3-4 weeks. End-to-end programme duration varies from 4-6 months for focused brownfield conversions to 12-18 months for multi-country greenfield rollouts. Newronium does not extend timelines for staffing reasons; the bench in Portugal removes the recruitment cycle that delays most large SIs.

Greenfield, brownfield or selective: which S/4HANA implementation approach is right?

The right S/4HANA implementation approach depends on the state of the current SAP estate, the level of process redesign needed, and the constraints on business disruption. Greenfield suits enterprises that want a clean process redesign and can absorb a parallel-run cutover. Brownfield suits estates with stable processes and acceptable custom code where the priority is technical conversion. Selective transition suits complex multi-entity estates that need to migrate by phases. Newronium performs a Clean Core and architectural assessment in the first 2-4 weeks and recommends the right approach with a transparent cost and timeline range.

How does Newronium differ from large SIs for S/4HANA implementation?

Newronium differs from large SIs by combining senior nearshore expertise with execution-first delivery. Daily rates are typically 30-50% below firms such as Accenture or Capgemini, while quality and reliability remain higher than freelance or pure offshore models. Unlike pyramid teams stacked with juniors, Newronium staffs S/4HANA implementations with senior architects and consultants who own deliverables end-to-end. The flexible model lets clients start with a single architect for the blueprint and scale to a full squad for build and cutover without renegotiating contracts. SAP, Data and AI are delivered under one partner, removing the coordination overhead.

Are S/4HANA implementation services from Newronium right for our company size?

SAP S/4HANA implementation services from Newronium fit mid-size to large enterprises with established SAP landscapes or first-time ERP buyers committing to S/4HANA. Typical clients have 500+ employees, run SAP as a business-critical system, and operate across one or more countries. We work across Pharmaceuticals, Manufacturing, Retail, Logistics and Financial Services. Smaller engagements start with a single architect or consultant and can scale to full implementation squads as needs evolve.

What results can we expect from an S/4HANA implementation?

S/4HANA implementations delivered with Newronium typically reach measurable progress within the first quarter. Past programmes have been brought back on track within 6 weeks, custom code reduced by 65% before upgrade, and reporting accuracy improved within 3 months of go-live. Outcomes are tracked against agreed KPIs such as cutover stability, data migration error rates, and on-time delivery against the programme baseline. We commit to outcomes, not just hours billed.

Can you complement our existing SI on an S/4HANA implementation?

Newronium complements existing SAP service providers without replacing them. We integrate alongside the lead SI to fill specific skill gaps, reinforce critical workstreams, or cover capacity peaks during cutover and hypercare. This is a common pattern for clients with preferred SI relationships who need additional senior expertise without renegotiating master agreements. Coordination, knowledge transfer and joint governance are part of every multi-vendor engagement.

How do you protect knowledge and continuity after S/4HANA go-live?

S/4HANA knowledge and continuity are protected through structured handover, documentation and a stable AMS team if needed. Every consultant operates within a knowledge base shared with the client team, so the implementation does not leave with the consultants. After go-live, clients can transition to a dedicated AMS team in Portugal under defined SLAs, with backup coverage so service does not break when individuals rotate. Newronium stays involved post-onboarding with regular delivery reviews, unlike pure body-leasing models that disengage after the start date.