Availability: Available from CW 47 · 3 days/week

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MustafaSAP Advisory
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MustafaSAP Advisory

Independent SAP advisory

Independent SAP S/4HANA advisory for enterprise clients

One senior counterpart from assessment to go-live — no pyramid model, no commission from the integrator. For CIOs and programme directors who need a robust decision before 2027.

Book an initial callSee engagement formats

Availability: Available from CW 47 · 3 days/week

  • No commission from integrators
  • Engagements led personally
  • NDA from the first call

Fig. 1SAP ECC 6.0 maintenance window

SAP ECC 6.0 maintenance windowTimeline from 2024 to 2031. Mainstream maintenance for SAP ECC ends on 31 Dec 2027, paid extended maintenance in 2030. The window for action lies between today and the end of 2027.2024202520262027202820292030203131 Dec 2027End of mainstream maintenance2030End ofextended maintenanceToday · Oct 2026Window for action
  1. Today · Oct 2026
  2. 31 Dec 2027 End of mainstream maintenance
  3. 2030 End of extended maintenance
SAP ECC 6.0 maintenance window — source: SAP maintenance strategy, as of 2026

When you need me

Four situations in which an independent senior voice makes the difference.

  1. 01The RISE offer is on the table.I review scope, contract terms and alternatives before you commit for years.
  2. 02Your programme is going off track.Quality gate, an honest status and a plan that makes go-live realistic again.
  3. 03ECC 2027 is getting closer.Readiness check, migration path and roadmap, so that the decision is made in time.
  4. 04You are missing an architect.Target architecture, clean-core rules and integration strategy from a single source.

Services that end with an outcome

Each service targets a decision your steering committee has to make. No open-ended hours without a goal.

  1. 01S/4HANA transformation & ECC exitFrom readiness check to go-live — brownfield, greenfield or selective data transition.Typical problemThe ECC deadline is approaching, but the migration path is disputed and the proposals are far apart.OutcomeA decided migration path and a roadmap the steering committee stands behind.
  2. 02SAP architecture & clean coreTarget architecture, extension strategy on SAP BTP and integration design from a single source.Typical problemDecades of custom development make every upgrade expensive and every decision risky.OutcomeA target architecture with binding clean-core rules and an integration strategy.
  3. 03Programme governance & quality gatesInterim programme leadership, PMO set-up and independent quality gates for large SAP programmes.Typical problemGo-live is wobbling; the status is green, but nobody believes it any more.OutcomeAn honest status, a robust plan and a programme that delivers again.
  4. 04RISE with SAP — second opinionIndependent assessment of RISE offers, contracts and alternatives before you sign.Typical problemThe RISE offer is on the table, the deadline is tight and the contractual consequences are hard to see.OutcomeA well-founded decision and concrete points for renegotiation.
  5. 05Module expertiseDeep functional expertise in finance (FI/CO) and SD/MM — for design, review and escalation.Typical problemA core process does not work as expected after migration, and the in-house depth is missing.OutcomeA sound functional design and a process that runs stably in operations.

Evidenced, not claimed

years of SAP project experience
18
since 2008
go-lives led or supported
24
as of 10/2026
country roll-outs
11
DACH, Türkiye, CEE

Selected engagements

  • Nordwerk Automotive AG
  • Hanse Logistik SE
  • Anadolu Holding A.Ş.
  • Rheintal Pharma GmbH
  • Alpenmetall Gruppe

Selected case studies

All case studies

Nordwerk Automotive AG

Brownfield conversion to S/4HANA in 14 months — without a production stop

Automotive · Lead architect & quality gate · 2023–2024, 14 months

Read case

−38 %

custom code before conversion

Hanse Logistik SE

Clean-core architecture for a logistics group — upgrades in weeks instead of months

Logistics & retail · Enterprise architect (mandate) · 2024, 7 months

Read case

62

interfaces consolidated

In three weeks he gave us the clarity that a year of integrator workshops had not.
— CIO, industrial group (DAX)
Book an initial call30 min, free of charge

How we work together

  1. 01 30 min

    Initial call

    Clarify situation, goal and constraints. You will know straight away whether I am the right fit.

  2. 02 3–5 days

    Engagement

    Readiness check, second opinion or interim start with a fixed scope and a fixed outcome.

  3. 03 as required

    Mandate

    A clearly defined role in the programme: architect, quality gate or programme lead.

  4. 04 planned from day 1

    Handover

    Documented knowledge and an enabled team instead of dependence on the consultant.

Three ways to start

Duration and outcome are agreed upfront. Afterwards you decide on the next step without pressure.

Recommended starting point

5days

S/4HANA readiness check

Where do you really stand? Analysis of system landscape and custom code, a recommended migration path and a roadmap your steering committee can decide on.

  • Assessment of system landscape, custom code and data quality
  • Recommendation: brownfield, greenfield or selective data transition
  • Roadmap with milestones up to the end of 2027
  • Management summary for the steering committee
Request this engagement

3days

Second opinion

An independent review of a proposal, RISE contract or concept you have received — before you sign.

  • Review report with risks and savings potential
  • Concrete points for renegotiation
  • Closing session with your decision-making body
Request this engagement

2–4days/week

Interim mandate

Programme lead, architecture or quality-gate role for a defined period — embedded in your team, with a planned handover.

  • Fixed role in the programme with a mandate description
  • Weekly status to the sponsor
  • Planned handover to your team
Request this engagement

Frequently asked questions

The key answers upfront. Everything else we clarify in the initial call.

FAQ
What does “independent” mean in practice?

I receive no commission from SAP, integrators or hyperscalers and I do not resell licences. I am paid only by you — so my recommendation is free of sales interests.

Do you work alone or with a team?

I lead every engagement personally. For larger programmes I bring in experienced specialists from my network where needed — always transparently and only with your consent.

How quickly can you start?

Current availability is shown at the top of every page. Engagements such as the readiness check can usually be scheduled within two weeks.

Do you work remotely or on site?

Both. Workshops, steering committees and cutover phases are usually on site; analysis and design work mostly remote. A typical split is 60 % remote.

How do you charge?

Engagements at a fixed price, mandates on a daily rate with a clear role description. You receive a concrete proposal after the initial call.

Submit a project request