We Are Digital HR Specialists

The Adessa Group has been dedicated to helping clients transform HR systems and maximise the value of digital HR solutions for nearly 15 years. We offer a full suite of solutions and services that enable our customers to simplify HR processes, move to the cloud more quickly or consume the latest digital HR technology more efficiently. Our expertise includes:

Digital HR Services

Adessa Group specialises in helping customers implement, extend and support both on-premise SAP HCM systems and SAP SuccessFactors solutions as part of a digital HR transformation process.

HR Data Migration & Integration

Adessa Group provides expertise to help customers migrate data from legacy HR systems, databases or disparate files to SAP SuccessFactors. We also have significant experience integrating cloud HR solutions with other HRIS, ERP, benefits and payroll providers.

Digital HR Strategy, Design & Execution

Adessa Group works closely with its customers to help them plan their digital HR strategy and determine how to best consume the latest HR technology like analytics, mobile solutions, employee referral programs, and more.

The Adessa Group has been dedicated to helping clients transform HR systems and maximise the value of digital HR solutions for nearly 15 years. We offer a full suite of solutions and services that enable our customers to simplify HR processes, move to the cloud more quickly or consume the latest digital HR technology more efficiently. Our expertise includes:

The Adessa Group was founded in 2005 by a group of friends, all of whom had many years of experience working as SAP consultants in the field of Human Resources. They founded the company with the vision of supplying sustainable computer solutions through the development of an international network of subsidiaries, close to their customers and with the aim of growing organically. This vision was translated through the values that shape the corporate culture of the Adessa Group.

Today, more than 10 years later, Adessa has an international presence with offices in Belgium, Switzerland, France and Spain and works with clients all over Europe. The company has become very successful within the industry, which is demonstrated by the long-term relationships we have built with our clients and through our established corporate culture. It is precisely these values which we embrace that have enabled us to grow organically. At Adessa, every employee brings his own unique flavour to the team, resulting in great diversity and stimulating our culture of collaboration and team spirit.

In the coming years, Adessa will aim to expand its presence across Europe and beyond, with a strong focus on the new generation of HR transformation, which is more tightly linked to corporate strategy and creating business value through HR services. The success that the Adessa Group has achieved over the past decade has proven that our unique approach brings true added value to our customers and to the professional lives of our consultants.

  • Industry Verticals Served:Energy & Natural Resources, Financial & Professional Services (Banking/Insurance), Consumer Industries (Agribusiness / Consumer Products / Fashion/ Life Sciences / Retail), Discrete Industries (Aerospace / High Tech / Automotive), Government, Healthcare, Higher Education, Hospitality, K-12, Life Sciences, Manufacturing, Media, Non-profit, Services Industries (Airlines / Communications / Engineering / Sports / Sports / Entertainment / Travel), Public Services, Technology

    10 Reviews for Adessa Group

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    2494 Reviews

    SAP SuccessFactors Talent Management Implementation

    4/ 5

    ERP Area: HR/Human Capital Management
    Software:  SAP SuccessFactors
    Products Implemented:  Talent Management (Learning, Performance, Succession Planning, Social Collaboration)
    Company Size:  0 – 1,000 Employees  /  Industry:  Non-Profit
    Regions in Scope:  Europe, Middle East & Africa
    Reviewer Role:  Project Leader

    Consultant Recognized:  Pieter/Olivier/Pauline
    Project(s) in Scope:  Initial deployment (Phase 1),Add-on deployment (Phase 2, and not in the original SOW),Optimization / Ongoing support services,Training

    Systems Expertise  4 out of 5
    Implementation Process  4 out of 5
    Responsiveness  5 out of 5
    Quality of Consultants 4 out of 5
    Flexibility / Adaptability 5 out of 5

    SPEED & COST
    Speed vs. Expectations:  Right on schedule!
    Cost vs. Expectations: Exactly what we budgeted

    SCOPING ACCURACY:
    How well did your implementation partner scope the work and understand your needs during the pre-sales process?
    Partner scoped and quoted the work well, but our needs changed during implementation

    Was the implementation team who actually performed the work the same team that was proposed?
    Slight change in team

    What “Lessons Learned” would you provide to others implementing with this partner / software? What else would you tell us about your project experience?
    The implementing partner (IP) was very involved in every step of the project. felt supported and guided to ensure a well built system.
    It is crucial to have an IP who understands the business goals and business dynamics. Had that not been the case, the project would have ended up 2x delayed.
    Don’t change team members after kick off, unless, circumstances leave no other option.

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    Workday HR Core & Recruiting Implementation

    5/ 5

    HR Software:  Workday
    Products Implemented:  HCM (HR Core),Recruiting / Onboarding
    Company Size:  10 – 20k Employees  /  Industry:  Business / Professional Services
    Regions in Scope:  Asia Pacific & Japan,Europe, Middle East & Africa,Latin America,North America,South Asia
    Level of Complexity:  9
    Reviewer Role:  Project Leader

    Consultant Recognized:  Alejandro Arco Aquila
    Project(s) in Scope:  Full migration

    Systems Expertise  5 out of 5
    Implementation Process  5 out of 5
    Responsiveness  5 out of 5
    Quality of Consultants 5 out of 5
    Flexibility / Adaptability 5 out of 5

    SPEED & COST
    Speed vs. Expectations:  Right on schedule!
    Cost vs. Expectations: Exactly what we budgeted

    SCOPING ACCURACY:
    How well did your implementation partner scope the work and understand your needs during the pre-sales process?
    Partner scoped and quoted the work well, but our needs changed during implementation

    Was the implementation team who actually performed the work the same team that was proposed?
    No change

    What “Lessons Learned” would you provide to others implementing with this partner / software? What else would you tell us about your project experience?
    Always have the correct Consultants onboard from the initiation of the project. Adessa came in after the startup progress was quickly made when they were engaged due to there previous expertise of SAP – Workday implementations. Ensure business processes are clearly defined in the Organisation to be able identify the GAPS.

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    SAP SuccessFactors HR Core, Talent Management & Recruiting Implementation

    5/ 5

    HR Software:  SAP SuccessFactors
    Products Implemented:  HCM (HR Core),Talent Management (Learning, Performance, Succession Planning, Social Collaboration),Recruiting / Onboarding
    Company Size:  5 – 10k Employees  /  Industry:  Manufacturing
    Regions in Scope:  Asia Pacific & Japan,Europe, Middle East & Africa,North America
    Level of Complexity:  10
    Reviewer Role:  Project Leader

    Consultant Recognized:  Alejandro Aquila; David Polo
    Project(s) in Scope:  Initial deployment (Phase 1)

    Systems Expertise  5 out of 5
    Implementation Process  5 out of 5
    Responsiveness  5 out of 5
    Quality of Consultants 4 out of 5
    Flexibility / Adaptability 5 out of 5

    SPEED & COST
    Speed vs. Expectations:  Right on schedule!
    Cost vs. Expectations: Exactly what we budgeted

    SCOPING ACCURACY:
    How well did your implementation partner scope the work and understand your needs during the pre-sales process?
    Partner scoped and quoted the work precisely

    Was the implementation team who actually performed the work the same team that was proposed?
    No change

    What “Lessons Learned” would you provide to others implementing with this partner / software? What else would you tell us about your project experience?
    As this is (massive) data migration project, this is typically a 1-time effort to extract, collect and cleanse the HR and Payroll data. On top of that, the conversion from the SAP data model to Workday data model needs to be taken into consideration 4 times in a project. It’s an iterative design as data and configuration can change during the project duration. Hence, it was vital to use a specialised partner with a specialised toolkit to ensure efficiency en quality of the data migration.
    With the SAP and Workday data model and logic being different, there is a risk that the (internal) SAP expert does not fully (and timely) understand the Workday logic and is not able to convert the data to the full potential of the HR Transformation.

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    Multi-Region Talent Management Initial & Add-on Deployment in Manufacturing

    5/ 5

    HR Software:  SAP SuccessFactors
    Products Implemented:  Talent Management (Learning, Performance, Succession Planning, Social Collaboration)
    Company Size:  5 – 10k Employees  /  Industry:  Manufacturing
    Regions in Scope:  Asia Pacific & Japan,Europe, Middle East & Africa,Latin America,North America,South Asia
    Level of Complexity:  6
    Reviewer Role:  Project Leader

    Consultant Recognized:  Jose Luis Olmos Segovia
    Project(s) in Scope:  Initial deployment (Phase 1),Add-on deployment (Phase 2, and not in the original SOW)

    Systems Expertise  5 out of 5
    Implementation Process  5 out of 5
    Responsiveness  5 out of 5
    Quality of Consultants 5 out of 5
    Flexibility / Adaptability 5 out of 5

    SPEED & COST
    Speed vs. Expectations:  Right on schedule!
    Cost vs. Expectations: Exactly what we budgeted

    SCOPING ACCURACY:
    How well did your implementation partner scope the work and understand your needs during the pre-sales process?
    Partner scoped and quoted the work precisely

    Was the implementation team who actually performed the work the same team that was proposed?
    No change

    What “Lessons Learned” would you provide to others implementing with this partner / software? What else would you tell us about your project experience?
    For implementing Success Factors you need implementation Partners who not only know the technical side on how to solve things, but also actively consulting about the standard, consequences of changes and solutions for issues that do not need customization.

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    Global Talent Management Add-on & Optimization in Manufacturing

    5/ 5

    HR Software:  SAP SuccessFactors
    Products Implemented:  Talent Management (Learning, Performance, Succession Planning, Social Collaboration)
    Company Size:  5 – 10k Employees  /  Industry:  Manufacturing
    Regions in Scope:  Asia Pacific & Japan,Europe, Middle East & Africa,Latin America,North America,South Asia
    Level of Complexity:  10
    Reviewer Role:  Project Leader

    Consultant Recognized:  Jose Luis Olmos Segovia
    Project(s) in Scope:  Add-on deployment (Phase 2, and not in the original SOW),Optimization / Ongoing support services

    Systems Expertise  5 out of 5
    Implementation Process  5 out of 5
    Responsiveness  5 out of 5
    Quality of Consultants 5 out of 5
    Flexibility / Adaptability 5 out of 5

    SPEED & COST
    Speed vs. Expectations:  Less than the time we expected!
    Cost vs. Expectations: Exactly what we budgeted

    SCOPING ACCURACY:
    How well did your implementation partner scope the work and understand your needs during the pre-sales process?
    Partner scoped and quoted the work precisely

    Was the implementation team who actually performed the work the same team that was proposed?
    No change

    What “Lessons Learned” would you provide to others implementing with this partner / software? What else would you tell us about your project experience?
    The projects went very well. As we are having well structured kick-off workshops, the expectations on both sides were clear. Timelines were met and we were always informed by them if they saw optimization opportunities.

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    2494 Reviews

    SAP SuccessFactors HR Core & Payroll Implementation

    5/ 5

    HR Software:  SAP SuccessFactors
    Products Implemented:  HCM (HR Core),Payroll
    Company Size:  5 – 10k Employees  /  Industry:  Finance / Banking / Insurance
    Regions in Scope:  Europe, Middle East & Africa
    Level of Complexity:  10
    Reviewer Role:  Decision Maker

    Consultant Recognized:  Hadrien Pacquet
    Project(s) in Scope:  Initial deployment (Phase 1),Optimization / Ongoing support services

    Systems Expertise  5 out of 5
    Implementation Process  5 out of 5
    Responsiveness  5 out of 5
    Quality of Consultants 5 out of 5
    Flexibility / Adaptability 5 out of 5

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    2494 Reviews

    SAP SuccessFactors Talent Management Implementation

    4/ 5

    HR Software:  SAP SuccessFactors
    Products Implemented:  Talent Management (Learning, Performance, Succession Planning, Social Collaboration)
    Company Size:  10 – 20k Employees  /  Industry:  Finance / Banking / Insurance
    Regions in Scope:  Europe, Middle East & Africa
    Level of Complexity:  5
    Reviewer Role:  Decision Maker

    Project(s) in Scope:  Initial deployment (Phase 1)

    Systems Expertise  3 out of 5
    Implementation Process  5 out of 5
    Responsiveness  5 out of 5
    Quality of Consultants 5 out of 5
    Flexibility / Adaptability 5 out of 5

    SPEED & COST
    Speed vs. Expectations:  Right on schedule!
    Cost vs. Expectations: Exactly what we budgeted

    SCOPING ACCURACY:
    How well did your implementation partner scope the work and understand your needs during the pre-sales process?
    Partner scoped and quoted the work well, but our needs changed during implementation

    Was the implementation team who actually performed the work the same team that was proposed?
    No change

    What “Lessons Learned” would you provide to others implementing with this partner / software? What else would you tell us about your project experience?
    Keep strong and experienced team during whole project.

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    2494 Reviews

    SAP SuccessFactors HR Core, Payroll & Other Implementation

    5/ 5

    HR Software:  SAP SuccessFactors
    Products Implemented:  HCM (HR Core),Payroll,Other
    Company Size:  10 – 20k Employees  /  Industry:  Finance / Banking / Insurance
    Regions in Scope:  Europe, Middle East & Africa
    Level of Complexity:  10
    Reviewer Role:  Decision Maker

    Consultant Recognized:  Laurent Schmitt
    Project(s) in Scope:  Optimization / Ongoing support services

    Systems Expertise  5 out of 5
    Implementation Process  5 out of 5
    Responsiveness  5 out of 5
    Quality of Consultants 5 out of 5
    Flexibility / Adaptability 5 out of 5

    SPEED & COST
    Speed vs. Expectations:  Right on schedule!
    Cost vs. Expectations: Exactly what we budgeted

    SCOPING ACCURACY:
    How well did your implementation partner scope the work and understand your needs during the pre-sales process?
    Partner scoped and quoted the work well, but our needs changed during implementation

    Was the implementation team who actually performed the work the same team that was proposed?
    No change

    What “Lessons Learned” would you provide to others implementing with this partner / software? What else would you tell us about your project experience?
    For an innovative project like Flexible Benefits on SAP, the business needs need to be very well defined and stable.

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    2494 Reviews

    SAP SuccessFactors HR Core Implementation

    5/ 5

    HR Software:  SAP SuccessFactors
    Products Implemented:  HCM (HR Core)
    Company Size:  10 – 20k Employees  /  Industry:  Finance / Banking / Insurance
    Regions in Scope:  Europe, Middle East & Africa
    Level of Complexity:  10
    Reviewer Role:  Decision Maker

    Consultant Recognized:  Xe May Tieu
    Project(s) in Scope:  Initial deployment (Phase 1),Add-on deployment (Phase 2, and not in the original SOW)

    Systems Expertise  4 out of 5
    Implementation Process  5 out of 5
    Responsiveness  5 out of 5
    Quality of Consultants 5 out of 5
    Flexibility / Adaptability 5 out of 5

    SPEED & COST
    Speed vs. Expectations:  Right on schedule!
    Cost vs. Expectations: Exactly what we budgeted

    SCOPING ACCURACY:
    How well did your implementation partner scope the work and understand your needs during the pre-sales process?
    Partner scoped and quoted the work well, but our needs changed during implementation

    Was the implementation team who actually performed the work the same team that was proposed?
    No change

    What “Lessons Learned” would you provide to others implementing with this partner / software? What else would you tell us about your project experience?
    Understanding of business needs and requirements is of key importance.

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    2494 Reviews

    SAP SuccessFactors HR Core & Other Implementation

    5/ 5

    HR Software:  SAP SuccessFactors
    Products Implemented:  HCM (HR Core),Other
    Company Size:  10 – 20k Employees  /  Industry:  Finance / Banking / Insurance
    Regions in Scope:  Europe, Middle East & Africa
    Level of Complexity:  9
    Reviewer Role:  Decision Maker

    Consultant Recognized:  Anne Wouters
    Project(s) in Scope:  Optimization / Ongoing support services

    Systems Expertise  5 out of 5
    Implementation Process  5 out of 5
    Responsiveness  5 out of 5
    Quality of Consultants 5 out of 5
    Flexibility / Adaptability 5 out of 5

    SPEED & COST
    Speed vs. Expectations:  Right on schedule!
    Cost vs. Expectations: Exactly what we budgeted

    SCOPING ACCURACY:
    How well did your implementation partner scope the work and understand your needs during the pre-sales process?
    Partner scoped and quoted the work well, but our needs changed during implementation

    Was the implementation team who actually performed the work the same team that was proposed?
    No change

    What “Lessons Learned” would you provide to others implementing with this partner / software? What else would you tell us about your project experience?
    HR GDPR project needs a combination of functional, technical knowledge as well people management skills

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