Lassooij & Partners
Accountant · Vlaardingen
Lassooij & Partners in Vlaardingen is listed under Accountant. The listing shows 25 services.

About Lassooij & Partners
Lassooij & Partners is an accountancy firm in Vlaardingen. It supports entrepreneurs with financial, payroll, and tax services, and advice on business changes.
Financial services
The office processes accounts and prepares financial reports, annual accounts, and documents for publication.
- Processing purchase invoices, sales invoices, statements, and cash transactions
- Financial reports
- Preparing annual accounts
- Preparing documents for publication for the Chamber of Commerce
Payroll and staff
Lassooij & Partners handles payroll administration and advises on payroll tax, social security, and staff matters.
- Payroll administration
- Advice on the work-related costs scheme
- Assessing fictitious employment relationships
- Guidance during payroll inspections
- Applying the applicable collective labour agreement (cao)
- Financial advice on hiring staff
- Support with ending an employment relationship
Tax and business advice
The office guides clients through starting a business and handles tax returns and other tax matters. It also advises on business expansion, acquisitions, sales, and restructuring.
- Guidance on starting a business
- Income tax return
- Corporate income tax return
- Gift and inheritance tax
- Tax matters concerning payroll tax, turnover tax, and dividend tax
- Business expansion or acquisition
- Sale or succession of business activities
- Investment advice
- Restructuring business forms
- Reorganisation
- Other financial advisory services
Services and prices
Financial administration
- Processing the accounts
- Preparing documents for publication for the Chamber of Commerce
Financial reporting
- Financial reports
Annual accounts
- Preparing annual accounts
Payroll administration
- Payroll administration
- Assessing fictitious employment relationships
- Guidance during payroll inspections
- Applying the collective labour agreement (cao) that applies to your business
Tax advice
- Advice on payroll tax and social security
- Work-related costs scheme
- Tax matters concerning payroll tax
HR consulting
- Financial advice on hiring staff
Employment law
- Support with ending an employment relationship
Startup guidance
- Guidance on starting a business
Income tax return
- Income tax return
Corporate income tax return
- Corporate income tax return
Gift and inheritance tax return
- Gift and inheritance tax
VAT return
- Tax matters concerning turnover tax
Dividend tax return
- Tax matters concerning dividend tax
Business advisory
- Business expansion or acquisition
- Sale or succession of business activities
- Investment advice
- Restructuring business forms
- Reorganisation
- Other financial advisory services
At a glance
| Listed under | Accountant |
|---|---|
| Location | Kon. Wilhelminahaven Noordzijde 11-A, 3134 KE Vlaardingen |
| Number of services | 25 |
| Weekend | Closed at the weekend |
| Phone | 010 427 9666 |
| Website | lassooij.nl |
| Last updated | October 2026 |
Frequently asked questions
What does Lassooij & Partners offer?
Lassooij & Partners lists 25 services, including Processing the accounts, Financial reports, Preparing annual accounts, Preparing documents for publication for the Chamber of Commerce and Payroll administration.
Where is Lassooij & Partners?
At Kon. Wilhelminahaven Noordzijde 11-A, 3134 KE Vlaardingen.
When is Lassooij & Partners open?
Monday 09:00–17:00, Tuesday 09:00–17:00, Wednesday 09:00–17:00, Thursday 09:00–17:00, Friday 09:00–17:00. Check with the business before you go.
How do I book with Lassooij & Partners?
Call 010 427 9666. Or contact the business through its website.
This listing is based on public information, such as the business's own website. It can contain mistakes.
Contact
Kon. Wilhelminahaven Noordzijde 11-A, 3134 KE Vlaardingen
Lassooij & Partners does not manage this listing yet. Contact the business directly.
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Opening hours
| Monday | 09:00–17:00 |
|---|---|
| Tuesday | 09:00–17:00 |
| Wednesday | 09:00–17:00 |
| Thursday | 09:00–17:00 |
| Friday | 09:00–17:00 |
| Saturday | Closed |
| Sunday | Closed |
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