Nghia Lam - Interim Manager

Q: Where is Nghia based?

Nghia is based in Hamburg, Germany .

Q: What languages does Nghia speak?

Nghia speaks the following languages: German (Native), English (Advanced), French (Elementary) .

Q: How many years of experience does Nghia have?

Nghia has at least 27 years of experience. During this time, Nghia has worked in at least 6 different roles and for 7 different companies . The average length of individual experience is 4 years and 11 months . Note that Nghia may not have shared all experience and actually has more experience.

Q: What is Nghia's latest experience?

Nghia's most recent position is Interim Manager at Interim Manager (various projects) .

Q: What companies has Nghia worked for in recent years?

In recent years, Nghia has worked for Interim Manager (various projects) .

Q: Which industries is Nghia most experienced in?

Nghia is most experienced in industries like Advertising , Energy , and Information Technology . Nghia also has some experience in Media and Entertainment , Retail , and Insurance .

Q: Which business areas is Nghia most experienced in?

Nghia is most experienced in business areas like Accounting , Finance , and Business Intelligence . Nghia also has some experience in Audit and Project Management .

Q: Which industries has Nghia worked in recently?

Nghia has recently worked in industries like Advertising , Energy , and Information Technology .

Q: Which business areas has Nghia worked in recently?

Nghia has recently worked in business areas like Accounting , Business Intelligence , and Finance .

Recommended expert

Hamburg, Germany

Experience

Jan 2021 - Present

5 years 3 months

Interim Manager

Interim Manager (various projects)

Financial controlling, IT controlling, support of a change process, implementation of new cost center and cost unit structures, adjustment of finance workflow, IT budget planning and budget tracking, CAPEX, OPEX (HGB, SAP, XFlow; trading group) (since 2024-09-01)
Project controlling, contract controlling, project contribution margins, project accruals for monthly and quarterly closing, reporting, accounting (HGB, Datev; advertising agency group) (2024-06-01 to 2024-06-30)
Financial controlling support in a group environment; vacancy cover, operational controlling, revenue accrual in the year-end closing, process optimization, support for new ERP implementation, introduction of new reporting (KPIs, cost center accounting, service charge allocations), support of a change process/restructuring/reorientation (IT services) (2022-01-01 to 2024-09-30)
Financial controlling with focus on working capital, cash flow projection, SOX testing (US advertising agency group, shared service) (2023-11-01 to 2024-05-31)
FP&A, financial modelling, balance sheet planning (Lucanet) in an international corporate environment (solar industry) (2023-09-01 to 2023-11-30)
Vacancy cover, overall commercial responsibility; operational accounting (Datev), collaboration with external tax advisor/auditor, coordination with British parent company (advertising agency) (2023-04-01 to 2023-08-31)
Support for the general ledger team in a service group (US GAAP, SAP, Lucanet); preparation of HGB financial statements, reconciliation and submission of VAT returns, accounts reconciliations, support during tax audit (US media group) (2023-01-01 to 2023-06-30)
Operational commercial oversight; financial controlling, operational accounting (Datev, Datev Unternehmen Online), collaboration with external tax advisor/auditor (film production) (2021-04-01 to 2023-02-28)
Planning and budgeting, introduction of KPIs; structuring of monthly profit and loss statements and advising the management (digital agency) (2021-03-01 to 2023-01-31)
Inventory and concept development for product and project controlling as well as implementation (gaming agency) (2022-10-01 to 2022-12-31)
Financial controlling and improvement of accounting processes, redefinition of KPIs/controlling (event agency) (2021-08-01 to 2022-12-31)
Reporting, financial controlling, ERP system change (easyJob), process optimization, realignment of KPIs, operational accounting, ensuring a smooth document flow (advertising agency group) (2022-04-01 to 2022-10-31)
Vacancy cover of operational controlling/project controlling; revenue accrual in monthly closing (IT service provider/digital agency in a group environment) (2021-06-01 to 2021-12-31)
Software selection and implementation of ERP system with a focus on digital workflow/remote work, interface to Datev, Datev Unternehmen Online (design agency) (2021-03-01 to 2021-12-31)

Jan 2018 - Dec 2020

3 years

Head of Finance

Owner-managed advertising agency

Preparation of monthly and annual financial statements under HGB
Planning & budgeting, forecasting
Design and creation of KPIs and internal reporting
Personnel administration and oversight of payroll
Cash flow management
Drafting and negotiation of contracts
Optimization of agency management software
Migration to new agency management and ERP software as part of corporate integration
Participation in due diligence
Invoicing, booking of business transactions, VAT returns, preparation of official statistics

Achievements:

Reorganization of responsibilities and clearer separation of ancillary areas
Optimization of processes and ensuring a smooth document flow
Introduction of a fast close
Faster delivery of data and information
Increased accountability through definition of suitable KPIs and clear assignment of responsibilities
Harmonization of tools and reporting within the group
Increased cash flow and improvement of company results

Jan 2014 - Dec 2018

5 years

Head of Finance

Owner-managed advertising agency with a British parent company

Commercial management including IT and facility management
Preparation of monthly and annual financial statements under HGB
Implementation of internal reporting
Invoicing, posting entries, account reconciliation, VAT filing
Coordination and supervision of payroll accounting
Cash flow management
Drafting and negotiating contracts
Optimization of agency management software
External reporting to the British parent company

Achievements:

Implementation of controlling processes and MIS
Faster delivery of data and information
Introduction of a fast close
Contribution to a successful restructuring and support of the change process
Increased cash flow and improvement of company performance
Improved communication and collaboration with stakeholders

Jan 2013 - Dec 2014

2 years

Head of Controlling

Health insurance company

Further development of reporting in the market & service area
Short- and mid-term planning
Execution of special projects

Jan 2007 - Dec 2013

7 years

Finance Director

Publicly traded US network agency

Coordination of six entities in Germany
Personnel responsibility across two locations
Preparation of financial statements under HGB and US GAAP, SOX compliance
Fee calculation
Increase of cash flow
Successful restructuring and improved results

Jan 2004 - Dec 2007

4 years

Finance Manager

Publicly Listed US Network Agency

Preparation of financial statements under HGB and US GAAP, SOX compliance
Intercompany reconciliation
Project controlling and profitability analysis
Monitoring media billing

Jan 1999 - Dec 2004

6 years

Head of Controlling & Accounting

Startup

Establishment of controlling and internal control system (ICS)
Implementation of SAP R/3 (CO/FI)
Conducting due diligence and investor relations
Preparation for and support of an IPO

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Advertising, Energy, Information Technology, Media and Entertainment, Retail, and Insurance.

Advertising

Energy

Information Technology

Media and Entertainment

Retail

Insurance

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Accounting, Finance, Business Intelligence, Audit, and Project Management.

Accounting

Finance

Business Intelligence

Audit

Project Management

Summary

20 years of professional experience in finance (controlling, accounting, personnel administration/payroll). More than 15 years in a senior commercial role. Mainly: digital agencies/start-ups, advertising agencies – both owner-managed and publicly traded US network agencies.

Skills

Commercial And Professional Focus Areas:

Commercial Management
Team Leadership
Setting Up Controlling Systems And Kpis
Designing And Implementing Internal Reporting
Planning And Budgeting
Execution And Monitoring Of Monthly, Quarterly, And Annual Financial Statements (Fast Close, Hgb (Audit-ready), Us Gaap), Sox
Internal And External Reporting
Cost Center And Cost Unit Accounting
Bookkeeping And Account Reconciliation
Posting Entries
Payroll Processing
Vat Returns
Preparation And Oversight Of Payroll
Cash Flow Management
Drafting And Negotiating Contracts
Fee Calculation
Contact Person For Auditors, Tax Advisors, Banks, And Authorities
Very Familiar With Shared Service And Holding Structures As Well As Owner-managed Companies

Software:

Ms Office (Especially Excel)
Datev / Datev Unternehmen Online
Diamant
Sap Fi/co
Lucanet
Dds
Hyperion
Jedox
Easyjob
Moco
Filemaker
Datev, Datev Unternehmen Online, Sap, Diamant, Lucanet, Jedox, Moco, Easyjob, Filemaker, Projectile, Proad, Hyperion

Personal Skills:

Very Quick To Understand, Even Beyond The Field, Especially In Interface Areas
Hands-on And Can-do Mentality
High Self-motivation
Willingness To Take On Responsibility
Team Player, Integrates Well With Great Commitment And Strong Persuasiveness
Clear And Confident Communication At All Levels
Structured And Solution-oriented Way Of Working
Reliable, Discreet, Dependable, And Helpful

Languages

German

Native

English

Advanced

French

Elementary

Education

Diploma in Business Administration

Bank Clerk

Certifications & licenses

IHK Certified Accountant

IHK

Statistics

Experience

Total positions 7

Experience in Advertising 22 y

Avg length 4 y 6 m

Longest experience 6 y 11 m

Expertise

Recent roles Interim Manager, Head of Finance, Head of Controlling

Main industries Advertising, Energy, Information Technology

Main business areas Accounting, Finance, Business Intelligence

Qualifications

Highest degree Master

Certifications earned 1

Profile

Created

March 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Nghia based?

Nghia is based in Hamburg, Germany.

What languages does Nghia speak?

Nghia speaks the following languages: German (Native), English (Advanced), French (Elementary).

How many years of experience does Nghia have?

Nghia has at least 27 years of experience. During this time, Nghia has worked in at least 6 different roles and for 7 different companies. The average length of individual experience is 4 years and 11 months. Note that Nghia may not have shared all experience and actually has more experience.

What roles would Nghia be best suited for?

Based on recent experience, Nghia would be well-suited for roles such as: Interim Manager, Head of Finance, Head of Controlling.

What is Nghia's latest experience?

Nghia's most recent position is Interim Manager at Interim Manager (various projects).

What companies has Nghia worked for in recent years?

In recent years, Nghia has worked for Interim Manager (various projects).

Which industries is Nghia most experienced in?

Nghia is most experienced in industries like Advertising, Energy, and Information Technology. Nghia also has some experience in Media and Entertainment, Retail, and Insurance.

Which business areas is Nghia most experienced in?

Nghia is most experienced in business areas like Accounting, Finance, and Business Intelligence. Nghia also has some experience in Audit and Project Management.

Which industries has Nghia worked in recently?

Nghia has recently worked in industries like Advertising, Energy, and Information Technology.

Which business areas has Nghia worked in recently?

Nghia has recently worked in business areas like Accounting, Business Intelligence, and Finance.

What is Nghia's education?

Nghia holds a Master in Diploma in Business Administration.

Does Nghia have any certificates?

Nghia has 1 certificate: IHK Certified Accountant.

What is the availability of Nghia?

Nghia will be available part-time from March 2026.

What is the rate of Nghia?

Nghia's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.