Belastingsamenwerking Gouwe-Rijnland

What Belastingsamenwerking Gouwe-Rijnland does

Belastingsamenwerking Gouwe-Rijnland (BSGR) is a Dutch inter-municipal tax cooperation body established as a public legal entity (Openbaar Lichaam) under the Wet Gemeenschappelijke Regelingen, headquartered in Leiden. It performs tax assessment, collection and WOZ (Waardering Onroerende Zaken) property valuation services on behalf of 11 participating municipalities in the South Holland region and one water board, Hoogheemraadschap van Rijnland. Its service portfolio includes municipal levies such as OZB (onroerendezaakbelastingen), afvalstoffenheffing (waste tax) and rioolheffing (sewerage tax), waterschapsbelastingen, the bezwaar en beroep (objection and appeal) workflow, and citizen-facing digital access via the MijnBSGR portal with QR-code payment integration through ING.

The organization operates with an ISAE 3402 Type II certified control framework covering tax collection and WOZ valuation processes, supported by a centralized property valuation model and standardized assessment cycles. Underlying technical components include the MijnBSGR web portal for citizen self-service, integration with the ING payment infrastructure for QR-based settlement, and a centralized WOZ valuation methodology applied uniformly across all participating municipalities. Public opening hours and a dedicated contact center indicate a service-delivery model oriented toward both digital and assisted citizen interaction.

BSGR's business model is structurally distinct from a commercial enterprise: it is funded by contributions and per-collection fees paid by its member municipalities and the participating water board, with no private customers, no equity, and no external investors. Its revenue base is therefore a function of municipal tax throughput, WOZ valuations executed, and the volume of objection cases handled, with growth tied to regional property value trends, regulatory changes (notably the Waterschapswet 2026), and incremental digital adoption rather than market-driven expansion.

Name

Belastingsamenwerking Gouwe-Rijnland

Legal name

Openbaar Lichaam Belastingsamenwerking Gouwe-Rijnland

Website

https://bsgr.nl

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

51–100 employees

Short description

Belastingsamenwerking Gouwe-Rijnland is a Dutch public-law shared-service organization that assesses, values (WOZ) and collects municipal and water-board taxes on behalf of 11 South Holland municipalities and Hoogheemraadschap van Rijnland, funded via member contributions and per-collection fees.

Ownership category

akta.pro rank

Product category

Public Tax Administration Services

NAICS

Accounting, Tax Preparation, Bookkeeping, and Payroll Services (5412), Regulation and Administration of Communications, Electric, Gas, and Other Utilities (926130)

akta.pro primary industry

Municipal Tax & Revenue Administration (Local) (BPAIACAD)

akta.pro secondary industries

Tax Return Filing, Processing & Assessment (BPAIADAC), Revenue Intelligence, Analytics & Risk Management (BPAIADAL), Customer Billing & Revenue Management (rate configuration, billing, adjustments, revenue assurance) (EUANAIAC)

Keywords

• Municipal tax collection
• Water board taxation
• WOZ valuation services
• Property tax assessment
• Local levy administration

Headquarters

HQ city

Leiden

HQ country

Netherlands

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure

Revenue model

1. Municipal Tax Collection Services: BSGR collects various municipal taxes on behalf of 11 municipalities including property tax (OZB), waste disposal fees, sewerage charges, and various local levies. Revenue is generated through service agreements with member municipalities, funded by the tax revenues collected.
2. Water Board Tax Collection: Collection of water management taxes (waterschapsbelastingen) for Hoogheemraadschap van Rijnland including pollution levies, water system charges for built and unbuilt properties, and residential purification levies.
3. WOZ Valuation Services: Valuation services for determining WOZ (market) values of real estate properties used as basis for various municipal and national taxes.

Pricing tiers

Go-to-market motion1 record

Distribution channels7 records

Marketing channels5 records

Core offering

Belastingsamenwerking Gouwe-Rijnland (BSGR) is a public inter-municipal tax cooperation body that assesses, values and collects municipal taxes, water board taxes, and WOZ real estate valuations on behalf of 11 municipalities in South Holland (Bodegraven-Reeuwijk, Gouda, Katwijk, Leiden, Leiderdorp, Oegstgeest, Velsen, Voorschoten, Waddinxveen, Wassenaar, and Zoeterwoude) and the Hoogheemraadschap van Rijnland water board. It operates the MijnBSGR digital self-service portal, processes payments via iDEAL/QR-code/automatic direct debit, administers tax exemptions (kwijtschelding), and handles objection and appeal procedures (bezwaar en beroep).

Product overview

Belastingsamenwerking Gouwe-Rijnland (BSGR) is a public inter-municipal tax authority (openbaar lichaam) providing unified tax assessment and collection services for 11 municipalities (Bodegraven-Reeuwijk, Gouda, Katwijk, Leiden, Leiderdorp, Oegstgeest, Velsen, Voorschoten, Waddinxveen, Wassenaar, and Zoeterwoude) and the hoogheemraadschap van Rijnland water board. The core product is the MijnBSGR digital self-service portal, supported by services for municipal taxes, water board taxes, WOZ valuations, tax exemption (kwijtschelding), payment processing, and objection/appeal procedures. BSGR operates under Dutch tax law and administers approximately 20+ types of local taxes and levies.

Differentiator

Problem solved

Functional benefit

Products and services

• MijnBSGR Digital Self-Service Portal Online self-service portal for residents and businesses in member municipalities to view tax assessments, download documents, view outstanding balances, manage account settings, request automatic direct debit, submit changes (address, bank account), register/deregister dogs for dog tax, request tax exemption (kwijtschelding), and submit objections (bezwaar). Authentication via DigiD or eHerkenning.
• Municipal Tax Collection (Gemeentelijke Belastingen) Collection and administration of municipal taxes for the 11 participating municipalities, covering 20+ levy types including property tax (OZB), waste disposal fees (afvalstoffenheffing), sewerage charges (rioolheffing), dog tax (hondenbelasting), tourist tax (toeristenbelasting), parking taxes, market fees, and Business Investment Zone (BIZ) contributions.
• Water Board Tax Collection (Waterschapsbelastingen) Collection of water board taxes (waterschapsbelastingen) for Hoogheemraadschap van Rijnland, including zuiveringsheffing (purification levy calculated in pollution units), watersysteemheffing gebouwd (percentage of WOZ value), watersysteemheffing ongebouwd (fixed rate per hectare by category), and verontreinigingsheffing (pollution levy).
• WOZ Real Estate Valuation (Wet Waardering Onroerende Zaken) Annual valuation of all real estate in the BSGR service area for tax purposes, determining the market value (WOZ-waarde) used as basis for municipal property taxes (OZB), water board levies, and national income tax calculations (eigenwoningforfait). Property owners can request the taxatieverslag (valuation report) and file free objections.
• Tax Exemption/Remission (Kwijtschelding) Tax exemption/remission service for residents with low income, allowing qualifying individuals to have their municipal and water board taxes partially or fully waived, with separate provisions for entrepreneurs and students. Includes assessment of eligibility and appeal options for denied applications.
• Payment Services (Betalen) Multiple payment options for tax bills including automatic direct debit (automatische incasso) with adjustable installments, iDEAL payment via MijnBSGR portal and Berichtenbox, manual bank transfer (IBAN NL64 INGB 0007 0605 65), QR code payments, installment payment plans (betalingsregeling), and enforcement collection (dwanginvordering).
• Objection and Appeal Procedures (Bezwaar en Beroep) Procedures for filing tax objections (bezwaar) and appeals (beroep) against tax assessments, including requirements for objection letters, pro forma objection options, requests for payment postponement (uitstel van betaling), and court-level appeal processes through the Dutch judicial system.

Quantifiable outcome

• Serves 11 municipalities and 1 water board with consolidated tax services
• +1 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Hoogheemraadschap van Rijnland (Water Board)coreOthersBSGR provides tax collection services for the regional water management authority, collecting waterschapsbelastingen including purification levies (zuiveringsheffing), water system charges (watersysteemheffing) for built and unbuilt properties, and pollution levies (verontreinigingsheffing) on behalf of the water board.

Scale indicators5 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Samenwerkingsverband Belastingen Zuidwest (BbzZ): Inter-municipal tax cooperation serving municipalities in Zeeland and Zuid-Holland. Directly comparable in mandate: WOZ valuation, municipal tax collection, water board tax collection, and digital citizen services.
• BsGW (Belastingsamenwerking Gemeenten en Waterschappen): Dutch inter-municipal tax cooperation body serving municipalities and water boards in Limburg. Directly comparable in mandate, structure, and product set (WOZ valuations, municipal and water board tax collection, digital citizen portal).
• Belastingsamenwerking Rivierenland (BWR): Tax cooperation organization for municipalities in the Rivierenland region of Gelderland/Zuid-Holland. Comparable shared-service model for tax assessment, collection, and WOZ valuation across member municipalities.
• Belastingsamenwerking West-Brabant: Tax cooperation body for West-Brabant municipalities performing WOZ valuations and collecting municipal taxes. Comparable shared-service municipal tax administration model in another Dutch region.
• Belastingsamenwerking Oost-Brabant (BSOB): Inter-municipal tax cooperation for municipalities in North Brabant. Comparable openbaar lichaam structure performing WOZ valuations and collecting municipal and water board taxes on behalf of member authorities.
• Regionale Belasting Groep (RBG): Regional tax group serving municipalities and water boards in Overijssel and Drenthe. Comparable in structure (inter-municipal cooperation), WOZ expertise, and tax collection services for member authorities.

Regional players

• Gemeentebelastingen Amsterdam: Municipally-operated tax collection agency for Amsterdam. Comparable WOZ and municipal tax collection mandate but serves a single large municipality rather than a multi-municipal shared-service area.

Others

• Waarderingskamer: Independent Dutch supervisory body overseeing WOZ valuations nationwide. Not a direct competitor but a regulator whose standards and methodology frameworks directly shape BSGR's WOZ operating model.

Broad incumbents

• Centric: Major Dutch IT vendor providing tax administration, WOZ, and citizen portal software to municipalities and shared-service tax organizations. Comparable as a broader incumbent enabling similar tax collection digital infrastructure.
• PinkRoccade Local Government: Established Dutch government software vendor with tax administration and WOZ modules used by municipalities and tax cooperation bodies. Comparable as an enabling incumbent for the same citizen tax-collection workflows.

Market position

Strengths3 records

Weaknesses3 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/belasting-samenwerking-gouwe-rijnland

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Belastingsamenwerking Gouwe-Rijnland