What an 8-week S/4HANA program really demands.
From Evolution to Execution — and the AI team member hiding in plain sight.
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S/4HANA delivery is accelerating. With models like GROW with SAP, organisations are now expected to go live in weeks, not years — but speed doesn't reduce complexity, it shifts it.
In fast-track programs, success depends less on technology and more on organisational readiness. Decisions must be made faster, scope must be controlled earlier, and data and business teams must be ready to operate at a completely different pace.
Three commitments for an 8-week launch.
- 01Fast, structured decisionsClear ownership, guardrails, and a named decision-owner per workstream.
- 02Data readiness as a core streamNot a late-stage scramble. Treat it like Build.
- 03Operate at the new paceAlign business teams, controls, and cutover to accelerated timelines.
Steve Turner
SAP Certified Public Cloud Consultant
Twenty years inside the SAP finance stack.
- ◆SAP CertifiedPublic Cloud Finance · Management Accounting
- ◆SAP ActivateProject Management certified
- ◆20+ yearsSAP FICO implementation experience
- ◆Director, CoreFi PartnersSpecialist · S/4HANA Cloud Public Edition
Eight stops across thirty years of SAP.
The Old World.
When ERP took years, and the blueprint took months.
Eighteen to thirty-six months. Sometimes more.
- Heavy customisation locked clients into permanent technical debt.
- Business disruption stretched across multiple fiscal years.
- Outcomes were variable. Cost was not.
Structured.
But slow.
- ✓ Five phases, heavy phase-gates
- ✓ Lengthy blueprint documents
- ✗ Custom builds increased risk
- ✗ 18–24 month average duration
- ✗ High cost, variable outcomes
Thirty years,
faster every time.
Five eras. One direction.
Agile. Standard. Faster.
Excluding Discover and Run · the four phases that shape every modern engagement.
GROW.
Public Cloud ERP, for the mid-market — adapt the business to the platform.
Cloud ERP,
built for the mid-market.
- 2023 Launched for mid-sized firms
- SaaS S/4HANA Cloud Public Edition
- TCO Lower than on-premise solutions
- Releases Quarterly innovation, included
- Target 3–6 month implementation
"GROW" means three different things.
Clarifying that early avoids a lot of project confusion.
GROW with SAP / SAP GROW
The offer and journey for net-new ERP customers starting fresh in Public Cloud.
SAP Activate
The six-phase framework with fit-to-standard, tools, accelerators, and delivery guidance.
Discover · Prepare · Explore · Realize · Deploy · Run
GROW Fast
A qualified-partner, standardized fast-start approach for rapid, low-risk go-lives.
GROW Fast.
The eight-week ambition — and the discipline that makes it real.
Launch a clean, standard Public Cloud foundation — not a custom ERP rebuild.
The 8-week plan works only when the organization accepts a launch mindset: adopt SAP standard, configure what is necessary, extend only where essential, and stabilize quickly after go-live.
What SAP GROW Fast means.
A compressed SAP Activate delivery model for SAP S/4HANA Cloud Public Edition.
SAP Activate compressed into 8 weeks.
Discover is substantially complete before Week 1; the implementation compresses Prepare, Explore, Realize, Deploy, and Run.
The 8-week roadmap.
A controlled launch sequence: scope lock → standard-process validation → build → testing → readiness → go-live.
& scope lock
standard 1
standard 2
& load 1
integration
training
& rehearsal
& hypercare
Seven gates. Zero surprises.
The plan stays on track through formal gates, daily issue control, and weekly sponsor decisions.
Risk is predictable. So is the cure.
The most common causes of delay are predictable; each needs an owner and mitigation from Week 1.
Seventy things that almost every business needs.
- 70 SAP-validated scope items
- 54 Prescribed core process items
- 16 Baseline activation platform items
- Cover Finance · Sales · Procurement · Core Enterprise
- Window Core used first 36 months
The finance backbone ships with the box.
Core components
- Universal JournalSingle source of truth for all financial data
- AP & AR AutomationIntelligent workflows built into the core
- Asset AccountingFully configured lifecycle management
Key outcomes
- Faster period close50–70% reduction in closing time
- Real-time reportingLive cost-centre analytics instantly
- Bank integrationAutomated statement reconciliation
Joule is not an upgrade. It's the operating system.
- Day 1 Natural-language navigation across all modules
- AP Automated PO matching and exception alerts
- Finance Intelligent financial anomaly detection
- 2025 Over 400 AI features targeted by end of year
- 75% Of SAP users report measurable AI value
AI as a team member.
Public Cloud is bounded enough that AI's opinions are worth listening to.
"Public Cloud is actually the ideal SAP delivery model to weaponise AI on. The very things that make it feel constrained to old-school FICO consultants — the standard process inventory, locked-down CBC, quarterly releases, fit-to-standard discipline — are exactly the structural features that let AI add leverage at every phase." — Steve Turner · CoreFi Partners
Greenfield ECC is too bespoke for an AI to predict outcomes reliably. Public Cloud is bounded. Bounded means actionable.
AI across every phase of SAP Activate.
Not a tool bolted on to one workstream — an always-on team member shaping outputs from Discover to Run.
& Prepare
& Run
Walk into Workshop 1 already knowing the answer.
AI does the long-context synthesis the senior consultant used to do on a Sunday afternoon.
Pre-workshop synthesis
- Ingest client process maps, prior-state ECC docs, CoA samples, integration inventories.
- Output a draft scope item shortlist per workstream — e.g. J58, 1GA, BEI, 1SG.
- Map to Fiori apps and probable gap areas with extension-approach hints.
- Flag intercompany, group reporting, or country friction before the workshop.
BCQ acceleration
- Pre-populated Business-Driven Configuration Questionnaire drafts.
- SG-contextualised: IRAS GST, ACRA, MAS, SGD base CoA.
- Client edits a draft rather than fills a blank — closes in days, not weeks.
- Same pattern extends to AU (BAS/FBT), NZ (IRD), US (sales tax) variants.
A silent AI co-pilot in every Fit-to-Standard workshop.
Transcript in, four artefacts out — by close of business, not next week.
Claude Code becomes the second technical consultant.
Mechanical work moves to AI. Senior consultants supervise and validate.
Side-by-side extensions
CAP services, CDS data models, Fiori Elements annotations, deployment manifests. 2 weeks → 3 days.
CPI iFlows + harnesses
iFlow content from descriptions. Test harnesses for free — synthetic payloads, edge cases, error scenarios.
Test automation
SAP Test Automation Tool cases from natural-language process descriptions. Coverage in 1 week instead of 4.
Migration Cockpit
Transform messy legacy extracts into staging-table format. Validation rules, cutover checklists, reconciliation reports.
Analytics & output
Custom CDS views, embedded analytics tiles, Adobe Forms variants. Mechanical work, AI speed.
A living test library
The TAT library becomes an asset CoreFi reuses across every future engagement.
The under-loved frontier: always-on, project-trained AI.
Project-trained Claude on tap
Every "where do I find…" and "why won't this post" logged. A Claude instance trained on the project's actual configuration answers in the client's own language and master data context.
Senior consultant becomes the trainer of the AI, not the tier-1 responder.
Release-readiness workflow
Ingest SAP "What's New", release notes, deprecations. Cross-reference against the client's actual scope items and apps. Output: a one-page impact assessment + recommended regression set.
A productisable quarterly subscription for CoreFi clients.
Continuous compliance drift
SG IRAS / GST · ACRA · MAS · AU BAS/FBT · NZ IRD. A Claude agent watches for policy changes, cross-references the client's tax configuration in S/4, and flags drift to the CFO.
Five ideas worth prototyping this quarter.
The synthetic Steve
A Claude instance trained on every paper, decision, and tailored test script. Available to junior consultants and clients between formal engagements. Codifies the partner's judgement.
Pre-sales estimation engine
Trained on every CoreFi proposal and actual outcome. Triangulates effort from a short client questionnaire. Directionally better than gut feel on a Tuesday.
Demo-on-demand
Claude Code spins a tailored S/4HANA Public Cloud tenant configuration script populated with prospect-relevant master data, with a guided walkthrough generated from the prospect's pain points.
The Fit-to-Standard adjudicator
When a client insists "we have a unique requirement," Claude argues the other side — three comparable clients who solved it within standard, plus the long-term cost of the extension being commissioned.
Self-tending knowledge base
The MD corpus stops being a static snapshot. A Claude Code agent refreshes against SAP Help Portal, Notes, and release notes, then notifies the partner of meaningful deltas.
A team of five performs like a team of twelve.
AI does not replace consultants. The team reshapes around it.
CoreFi
consultant
team member
developer
Senior practitioners earn their fees partly by knowing what not to do.
Client data confidentiality
Sensitive data stays in tenanted environments. Claude Code runs locally against approved corpora. Don't upload client G/L to a public AI tool.
SAP licensing & IP
SAP-proprietary content (Notes, full Best Practice under licence) doesn't enter a publicly searchable AI corpus. The MD corpus is derivative summary, not verbatim reproduction.
The Fiori app hallucination problem
Claude will occasionally confidently name a Fiori app that doesn't exist. The senior consultant verifies, always. AI accelerates; it does not authorise.
Quarterly release exposure
AI-built BTP extensions need the same regression discipline as standard processes. The AI that built them is also the AI that tests them — but a human signs off.
The rare profile is not "an SAP consultant."
It is someone who can run standard-first design at sprint speed.
That blend is narrower than the market often assumes.
What that means in practice
- Knows SAP standard well enough to say "yes", "no", or "phase 2" quickly
- Can run fit-to-standard workshops without letting every issue become a redesign
- Keeps decisions, dependencies, and actions moving week by week
- Guides business users through change without sounding dismissive
Fast projects compress calendar time.
They do not reduce business effort.
Month-end still happens. Payroll still runs. Operations still need decisions.
The client still needs to provide
- Empowered key users in workshops
- Fast process, data, and role decisions
- Timely UAT and sign-off
- Training participation and change champions
- Availability around operational peaks
50% effort. 2× the duration.
Same discipline. Gentler tempo.
The 8-week sprint
- Best for a highly available sponsor and key users
- Tight MVP scope and fast decisions
- Minimal collisions with BAU peaks
The 16-week glide path
~20 hours / week
- Same standard-first rules and scope discipline
- More room for business reflection and sign-off
- Easier fit with month-end, payroll, and BAU
- More manageable pace for UAT, training, and review
A filter. Not a scavenger hunt for every difference.
Capture now if it is
- Legally, audit, or control critical
- A true blocker to doing the job
- Materially important for reporting or integration
Defer or drop if it is
- Preference or familiarity
- Cosmetic or comfort-driven
- A rare edge case with better phase-2 value
Maybe the system could go live in 8 weeks.
The people might not.
That is not failure. That is useful honesty.
Readiness check
- ☐ Empowered decision-makers available weekly
- ☐ Key users can attend workshops and test promptly
- ☐ Scope is genuinely MVP
- ☐ Data owners are named and active
- ☐ Leaders are willing to say "no" to nice-to-haves
- ☐ Change management is active, not assumed
The proof.
Fifteen-hundred go-lives. Real numbers. Real customers.
Three eras. One direction of travel.
| Metric | Traditional ERP | GROW with SAP | GROW Fast |
|---|---|---|---|
| Timeline | 18–36 months | 3–6 months | ⚡8 weeks |
| Cost | $500K – $5M | $75K – $500K | ●Fixed price |
| Customisation | Heavy | Standard | Minimal |
| Risk | High | Medium | ◆Low |
| AI from Day 1 | ✗ No | ◐ Partial | ✓Yes |
$3.1M of measured value. Three-year window.
over 3 years
Six industries. Six fast go-lives.
From technician → strategic advisor.
Technician mindset
- Writing long functional specifications
- Managing custom development builds
- Testing bespoke code configurations
Advisor mindset
- Guiding critical scope decisions
- Driving adoption and change management
- Advising on Wave-2 scaling strategy
"The value is in the advisory, not the configuration."
Three waves to a full digital core.
Scaling strategy
- Wave 1Establishes a solid MVS core foundation
- Wave 2Adds specialised extended modules
- Wave 3Deploys advanced AI capabilities
- SAP BTPEnables clean-core custom extensions
- QuarterlyContinuous innovation release cycle
A mid-market moment for the region.
Six things to carry back to the office.
- 01ERP is now delivered in weeks, not years.
- 02GROW Fast delivers MVS live in 8 weeks — and a 16-week glide path is a legitimate, often better, alternative.
- 03Joule AI is standard from Day 1, not an add-on.
- 04Public Cloud is the ideal substrate for AI as a team member across every Activate phase.
- 05Forrester TEI: $3.1M measured improvement over three years.
- 06The consultant role is now strategic advisory — fit-to-standard, change, AI supervision, Wave 2.