The verdict in three sentences
For a trade association, the member portal serves two goals that fund each other: collecting dues faster and giving a concrete reason to join, through members-only content. A member portal with online dues invoicing, a member directory and a members-only legal area costs 30,000 to 60,000 EUR ex VAT in 2026, plus 5,000 EUR for card payments and SEPA Direct Debit, and 400 EUR per month of support and maintenance. The measurable gain: dues collection dropping from 3 months to 3 weeks.
Dues: from paper invoices to automatic direct debit
The chief executive of an association with 1,400 member companies still sends dues invoices by post or PDF, then chases by phone. Amounts often depend on company size (headcount or turnover), which forces manual calculations. After 3 months, 15 to 20 % of dues are still unpaid.
| Step | Current process | With the portal |
|---|---|---|
| Amount calculation | Spreadsheet, scale by headcount band | Automatic from the member record |
| Dues invoice | Post or PDF by email | Email with a personalised payment link |
| Payment methods | Cheque, bank transfer | Card, SEPA Direct Debit, transfer with reference |
| Reminders | Phone, case by case | Automatic at D+7, D+15, D+30 |
| Receipts and invoices | Manual | Invoice generated and sent on payment |
| Tracking | Shared spreadsheet | Real-time dashboard by band |
| Collection time | About 3 months | About 3 weeks |
Annual or quarterly SEPA Direct Debit is the strongest lever: once the mandate is signed, dues are collected every year without any action from the member. Fees run around 0.25 to 0.50 EUR per debit, versus about 1.4 % for a European card.
Scope and 2026 budget
The portal includes a member area, a back office for the association's team and members-only content: legal briefings, annotated sector agreements, contract templates, webinar replays.
| Block | Features | 2026 range (EUR, ex VAT) |
|---|---|---|
| Member area | Company account, multiple users, profile | 6,000 to 11,000 |
| Dues management | Scales, invoicing, reminders, invoices | 7,000 to 13,000 |
| Card and SEPA payments | Provider integration, mandates, reconciliation | about 5,000 |
| Member directory | Search by trade, county, certifications | 4,000 to 8,000 |
| Members-only content | Legal library, rights by membership tier | 5,000 to 10,000 |
| Events | Registrations, member and non-member pricing | 4,000 to 9,000 |
| Migration and GDPR | Import of 1,400 members, consents | 2,000 to 4,000 |
| Support and maintenance | Fixes, improvements, hosting | 400 per month |
Total: 30,000 to 60,000 EUR without payments, 35,000 to 65,000 EUR with them. Off-the-shelf membership software costs 300 to 1,200 EUR per month at this volume, with directories and dues scales often too rigid for an association with several sections or regional branches.
The directory and content: what justifies the dues
A member renews if it uses the portal. The public directory, with one listing per company and a "member of the association" badge, gives members visibility and search traffic. The members-only legal area answers managers' everyday questions. Usage statistics per company let the association spot inactive members 2 months before renewal and reach out to them.
Mini case study
Aoife, chief executive of a trade association in Dublin, collects 1.26 million EUR of dues a year from 1,400 members, 900 EUR on average. Today, 18 % of dues are still unpaid after 3 months, which takes one half-time employee for chasing, about 22,000 EUR a year in salary cost.
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She invests 48,000 EUR in the portal with payments, plus 4,800 EUR a year of support. If SEPA Direct Debit and automatic reminders reduce late payments from 18 % to 6 %, the association recovers about 151,000 EUR earlier in the year. The half-time role spent on chasing moves to member services, and the project pays back in just over 2 years on that item alone. These figures remain estimates.
FAQ
How much does a member portal cost in 2026?
For an association with about 1,400 members, budget 30,000 to 60,000 EUR ex VAT as a ballpark, plus about 5,000 EUR for card and SEPA payments. Support and maintenance run about 400 EUR per month.
How long does it take to launch?
Allow 4 to 5 months, aiming to go live 6 weeks before the annual dues run. That schedule leaves time to test the journey with 50 pilot members.
How do we handle dues based on headcount?
The scale is configured in the back office by band (for example under 10 employees, 10 to 49, 50 and above). The member updates its headcount and the amount is recalculated automatically before invoicing.
Do companies accept SEPA Direct Debit?
Yes, including through B2B mandates. In practice, 40 to 60 % of members sign a mandate in the first year if the option is offered at the first payment.
Is members-only content protected against sharing?
Each document is available after login, with rights by membership tier. Downloads are logged and can carry a watermark with the company name.
Let's scope your project. Send us your member count, dues scale and content library: we will price the portal, SEPA payments and a timeline aligned with your dues run. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.

