PKIsigning

What PKIsigning does

PKIsigning (legal entity SBRS B.V., founded 2017 in Veenendaal, Netherlands) is a Dutch SaaS company that develops and operates an electronic signature platform purpose-built for the Dutch and EU regulated market. The platform delivers eIDAS-compliant qualified electronic signatures at the 'high' assurance level, built on Microsoft Azure infrastructure with data residency exclusively within the EU (Netherlands primary, Ireland failover). Its core technical differentiator is the WYSIWYS (What You See Is What You Sign) security architecture, which ensures the document presented to a signatory exactly matches the document being signed and prevents original documents from being transmitted to signatory devices before execution. The platform supports native iXBRL/SBR rendering, multi-QTSP integration (KPN, Digidentity, Digicert, Itsme, Cleverbase), an open REST API, and a Microsoft-certified Power Automate connector.

The product is sold in four subscription tiers — Start&Share (€14/month, 100 actions/year), Professional (€29/month, 500 actions/year, including Microsoft 365, SSO, and API), Specialist (€39/month, designed for accountants with tax authority integrations, SBR/XBRL filing, Chamber of Commerce and bank integrations), and Enterprise (custom pricing with white-label, multi-brand, data warehouse, and dedicated blob storage options). Pricing is transparent and recurring, with annual billing reductions only on annual cycles. The go-to-market combines an inside-sales motion with free 30-minute expert consultations and an API-first partner channel targeting SaaS vendors, MSPs, QTSPs, and Microsoft Power Platform integrators.

PKIsigning's primary customer base is Dutch accountancy, legal/advocatuur, insurance (assurantiën), IT audit & assurance, and notary practices, alongside a horizontal SMB long tail. Named enterprise and mid-market customers include KPMG, Anders Invest, SBR Nexus, Visser & Visser, BG.legal, Centraal Volmachtbedrijf, Xebic, Skills Meducation, Toyota van Gent Autobedrijf, and Haags Recherchebureau. The platform serves 250+ organizations with a cumulative 1.5 million+ documents signed, a 4.8/5 customer rating across 250+ reviews, and 100% uptime over the prior 90 days. The company holds ISO 27001:2022 certification and operates under GDPR/AVG as both data controller and processor. In January 2025, PKIsigning absorbed DOCCO, a Dutch IT advisory firm in the accountancy sector, and the company continues to ship platform updates on a roughly quarterly cadence (versions 2.2547, 2.2603, 2.2624).

Name

PKIsigning

Legal name

SBRS B.V.

Website

https://pkisigning.nl

Company type

Private

Founded year

2019

Operating status

Operating

Headcount range

11–50 employees

Short description

PKIsigning is a Dutch SaaS company providing eIDAS-compliant electronic signature and SBR/XBRL filing workflows, primarily serving Dutch accountancy, legal, insurance, IT-audit, and notary practices with a subscription platform built on Microsoft Azure with EU data residency.

Ownership category

akta.pro rank

Product category

Digital Signature Software

NAICS

Software Publishers (5132)

SIC

Services-Prepackaged Software (7372)

akta.pro primary industry

E-Signature & Digital Transaction Management (DTM) (HDAEAGAF)

akta.pro secondary industry

Contract Lifecycle Management (CLM) & Document Automation (BPAEAPAD)

Keywords

• Digital signature software
• Electronic signature platform
• Qualified electronic signatures
• SBR XBRL filing
• EIDAS compliance solutions

Headquarters

HQ city

Veenendaal

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations

Revenue model

1. SaaS Subscription (Tiered): Tiered subscription model with four plans: Start&Share (€14/mo, 100 actions), Professional (€29/mo, 500 actions), Specialist (€39/mo, for accountants with tax authority integrations), and Enterprise (custom pricing with unlimited volume and white-label options). Annual billing with ability to reduce license volumes only on annual basis.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

PKIsigning provides a SaaS platform for secure, legally valid digital document signing built on Microsoft Azure with EU data residency. The platform supports eIDAS-compliant qualified electronic signatures (QES), native XBRL/iXBRL for Dutch SBR regulatory filings, audit trails, and integration with QTSPs, Microsoft 365, AFAS, Visionplanner, Nextens, SharePoint, and other business systems. It is sold as a tiered subscription (Start&Share, Professional, Specialist, Enterprise) and is targeted at Dutch and EU organizations in regulated vertical markets including accountancy, legal, insurance, IT audit, and notariaat.

Product overview

PKIsigning is a unified SaaS platform for secure and legally valid digital document signing in the Netherlands and EU. The platform is organized into four pricing tiers: Start&Share (small organizations, €14/month, 100 actions/year), Professional (teams, €29/month, 500 actions/year with Microsoft 365/SSO/API), Specialist (accountants, €39/month, adding tax returns, XBRL/iXBRL, Dutch bank integrations, and UBO identification), and Enterprise (custom pricing with white-label, multi-brand, and data warehouse options). Additional modules include a public signature validation service, QTSP integration for qualified cloud certificates, enterprise whitelabeling, and a Microsoft-certified Power Automate connector. All plans include secure file sharing, audit trails, and eIDAS-compliant signature levels. The company also offers dedicated accountancy workflows, SBR/XBRL reporting and filing capabilities, and an open REST API for programmatic integration.

Differentiator

Problem solved

Functional benefit

Products and services

• Start&Share Entry-level subscription plan for small organizations providing secure digital document signing and sending with 100 signing actions per year, secure file sharing, status tracking, reminders, and audit trail.
• Professional Team and organization subscription at €29/month for 500 signing actions per year, adding Microsoft 365 integrations, Single Sign-On (SSO), API integration, and Dutch email/phone support on top of Start&Share features.
• Specialist Accountant-specific subscription at €39/month building on Professional with tax return capabilities (PIT, CIT, VAT, ICP) and Dutch Tax Authority integration, XBRL/iXBRL rendering and validation, iDEAL (Wero) tax payments, Chamber of Commerce and bank integrations (Rabobank, ING, ABN AMRO), SBR annual accounts, and digital UBO identification.
• Enterprise Large organization plan with custom pricing offering all Professional and Specialist features plus custom integrations, multi-brand, white-label management, custom volume, data warehouse options, and dedicated blob storage on multi-year contracts.
• Public Signature Validation Service Open public web service allowing users to validate electronic signatures in PDF documents and download the available audit trail. Uploaded files are deleted immediately after validation and personal data is anonymized in the audit trail.

Quantifiable outcome

• Documents signed within minutes
• +2 more outcomes

Named customers10 records

Segments6 records

Ideal customer profiles7 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration8 records

Feature5 records

Partnerships

Two partnerships are on record, tiered core.

• DOCCO IntegrationcoreStrategic or Co-development Partner · 1 January 2025DOCCO, an IT consulting and innovation firm in the accounting sector, was integrated into PKIsigning effective January 1, 2025. DOCCO team members brought expertise in standardization, compliance, cloud technology, data use, and information security. This strengthened PKIsigning's market position in digital document signing and compliance solutions.
• Microsoft Power PlatformcoreTechnology or IntegrationPKIsigning's Power Automate connector is Microsoft-certified and available to all users. Enables workflow automation with Teams, SharePoint, and non-Microsoft products through low-code/no-code interface. Supports triggers for request status changes and actions including document download, SharePoint save, email sending, and Teams notifications.

Scale indicators5 records

Recent moves7 records

Expansion highlights6 records

Market position

Competitive moat5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/pkisigning
• Xx.com/PKIsigning

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

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 PKIsigning