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A Client Portal That Accounting Firms Actually Need

Streamline document exchange, deadline tracking, and advisory communication with a portal designed specifically for the accounting profession.

Client portal built for accounting and bookkeeping firms

Accounting firms process enormous volumes of client documents throughout the year, from monthly bookkeeping receipts to annual financial statements and tax filings. Most firms still rely on email for document exchange, resulting in scattered attachments, version confusion, and hours spent chasing clients for missing paperwork before filing deadlines. The shift toward advisory services means accountants want to spend less time on administrative back-and-forth and more time delivering strategic insights. Clients, meanwhile, want a clear overview of their financial obligations, upcoming deadlines, and the documents they still need to provide. A purpose-built client portal transforms this relationship from a reactive document chase into a proactive, transparent collaboration where both sides have clarity and control.

Industry challenges

1

Chasing clients for missing documents weeks before filing deadlines

2

Unstructured document exchange via email leading to lost or outdated files

3

Clients unaware of upcoming fiscal deadlines until the last minute

4

Time wasted answering repetitive questions about financial statements

5

No single place for clients to see the status of their annual accounts or tax return

Our solution

Our accounting client portal creates a structured digital workspace for every client engagement. Clients see a personalized dashboard with their upcoming deadlines, document requests, and the current status of their annual accounts or tax return. The built-in document request system generates specific upload tasks, such as bank statements for Q3 or a signed director's report, with clear due dates and automatic reminders. Uploaded documents are automatically categorized and linked to the correct fiscal year and engagement type. Accountants can share draft financial statements for client review, collect digital approvals, and publish final signed versions, all within the same platform. A notification center keeps clients informed without manual follow-up from your team. For firms offering payroll services, the portal can include a payroll section where clients submit mutation forms and download salary slips. Integration with accounting software ensures that data entered in one system is reflected in the other. The net effect is a practice that runs on predictable workflows rather than email threads, freeing your accountants to focus on the advisory work that drives higher margins.

Key features

Smart Document Requests

Automated, deadline-driven document requests with categorized upload slots, reducing the annual chase for missing client paperwork.

Engagement Status Tracker

Clients see at a glance whether their tax return is in draft, review, or filed status, eliminating repetitive status inquiries.

Deadline Calendar

Shared calendar of fiscal deadlines with automated reminders, so clients know exactly when documents are due.

Digital Approval Workflow

Clients review draft financial statements, add comments, and approve with a digital signature, all tracked with timestamps.

Secure File Archive

Multi-year document archive organized by fiscal period, accessible anytime for reference or audits.

Benefits

Dramatically Less Time Chasing Documents

Automated requests and reminders replace manual follow-up emails, saving significant staff hours during peak season.

Faster Turnaround on Annual Accounts

When clients submit documents on time and approve drafts digitally, the entire engagement cycle compresses.

Elevated Client Perception

A professional portal positions your firm as modern and organized, differentiating you from competitors still using email and WeTransfer.

Scalable Service Delivery

Standardized digital workflows let you onboard more clients without proportionally increasing support staff.

Approach & timeline

We map your engagement lifecycle, from client onboarding through annual accounts to tax filing, and design the portal around these exact steps. A working prototype is tested during an actual filing cycle with a pilot group of clients to validate the workflow before full rollout.

Timeline8-12 weeks

Integrations

Exact OnlineTwinfieldYukiBaseconeNmbrs

Practical scenario

An accounting firm with 400 SME clients used to spend the first two months of each year emailing document request lists and following up repeatedly. After deploying their portal, 78% of clients submitted required documents before the first deadline without a single follow-up call. The firm estimated they saved roughly 300 staff hours during peak filing season.

Compliance & regulations

Accounting portals handle sensitive financial data and must comply with GDPR. For firms performing statutory audits, the portal supports the document retention requirements of the Wet toezicht accountantsorganisaties (Wta).

Success metrics

  • Percentage of documents submitted before the first deadline reminder
  • Average engagement cycle time reduction
  • Client portal login frequency
  • Staff hours saved during filing season

Further reading

SolutionsProfessional portals for construction and real estateHealthcare Client Portals That Put Patients FirstClient Portal with Built-In Invoice ManagementSmart Notifications for Your Client Portal

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Frequently asked questions

Yes. The portal includes a configurable notification engine that sends reminders via email or in-app notification at intervals you define. For example, you can set reminders at 30, 14, and 3 days before a document submission deadline.
We build direct integrations with popular Dutch accounting platforms like Exact Online, Twinfield, and Yuki. This means engagement statuses and client data stay synchronized without your team having to update two systems.
We design with simplicity as a priority. The interface uses clear language, minimal steps, and guided uploads. Our accounting firm clients report that even their least tech-oriented clients adapt within the first engagement cycle.

Want us to build this solution?

We develop custom software tailored to your industry.

Discuss your project

Related articles

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Manage client relationships, engagement pipelines, and advisory opportunities with a CRM that speaks the language of accountancy.

Professional portals for construction and real estate

Give construction clients real-time project visibility, document access, and milestone tracking through a secure, branded portal built for your workflow.

Healthcare Client Portals That Put Patients First

Empower patients with secure appointment booking, lab results, and care plan access through a custom healthcare portal designed around your clinical workflow.

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Give your clients a self-service portal where they can view, download, and pay invoices. Reduce admin overhead and accelerate payment cycles with automated invoice workflows.

From our blog

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MG Software
MG Software
MG Software.

MG Software builds custom software, websites and AI solutions that help businesses grow.

© 2026 MG Software B.V. All rights reserved.

NavigationServicesPortfolioAbout UsContactBlogCalculator
SolutionsAll solutionsKnowledge BaseComparisonsAlternativesTools
LocationsHaarlemAmsterdamThe HagueEindhovenBredaAmersfoortAll locations
IndustriesLegalEnergyHealthcareE-commerceLogisticsAll industries