The verdict in three sentences
A trade association with 1,200 members should budget 35,000 to 60,000 EUR excl. VAT in Paris, or 40,000 to 70,000 GBP in London, to rebuild its website with a full member portal, delivered in 4 months. The return comes first from online dues by card and direct debit, which cut manual reminders by about 60 %, then from the members-only regulatory watch, which justifies membership. The technical decision to make at scoping is single sign-on with your membership CRM, often Salesforce Nonprofit in London, because it shapes the member experience and a good share of the budget.
What the new website must do
An association website is a policy showcase (positions, press releases, lobbying), a recruitment tool and a daily service for members. The old site, often a 2015 WordPress with a patched extranet, fails on the third point: members cannot find legal notes, the directory is out of date and the dues call goes out every year by post and bank transfer.
Here is a typical redesign budget for 1,200 member companies (2026 order of magnitude, Paris agencies, EUR excl. VAT).
| Item | 2026 range (EUR excl. VAT) | Comment |
|---|---|---|
| Scoping, audit, member workshops | 3,000 to 5,500 | 4 workshops, 15 member interviews |
| UX/UI, design system, 30 to 40 templates | 6,000 to 10,000 | WCAG 2.1 AA target |
| Public site and CMS with editorial workflow | 8,000 to 13,000 | News, positions, publications |
| Member portal and searchable directory | 6,000 to 11,000 | Company profiles, search by trade and region |
| Online dues (card, direct debit, invoices) | 4,000 to 7,500 | Fee scale by headcount, automatic reminders |
| Members-only regulatory watch and email alerts | 3,000 to 5,500 | Rights by membership tier or committee |
| SSO and membership CRM sync | 3,000 to 5,000 | One member identity |
| Content migration and acceptance testing | 2,000 to 2,500 | 300 to 600 pages and documents |
| Total | 35,000 to 60,000 | 4-month timeline |
In London, the same scope typically runs 40,000 to 70,000 GBP, the upper end when the portal is built on Salesforce Nonprofit with Experience Cloud licences. Ongoing application maintenance costs around 600 EUR per month in Paris (roughly 900 to 1,200 GBP in London) for security, updates and 4 to 6 hours of changes.
Online dues: where the gain is
Most associations spend two to three months a year chasing payments. A dues module computes the amount from the fee scale (headcount, revenue or tier), issues the invoice, offers card or a direct debit mandate (SEPA in France, Bacs Direct Debit in the UK) and sends automatic reminders at day 15, 30 and 45.
| Indicator | Before redesign | After redesign (estimate) |
|---|---|---|
| Members paying without reminder | 45 % | 75 % |
| Manual reminders per year | 1,500 | 600 (about −60 %) |
| Average collection time | 62 days | 21 days |
| Share of direct debit payments | 0 % | 40 to 55 % |
| Card payment fees | not applicable | 0.8 to 1.5 % per transaction |
| Team time on the annual call | 45 person-days | 15 person-days |
Recurring direct debit is the key: once the mandate is signed, next year's dues are collected without any member action, for a few tens of cents per collection.
SSO, CRM and architecture choice
Most associations already use a membership CRM. There are four options.
| Option | Indicative cost (EUR excl. VAT) | Benefit | Limit |
|---|---|---|---|
| Native CMS member area, CSV export | 0 to 1,500 | Simple | Double entry, data quickly wrong |
| Nightly API sync | 2,000 to 3,500 | Reliable, affordable | 24-hour lag |
| Real-time SSO on the CRM | 3,000 to 5,000 | One identity, rights always current | Depends on vendor API |
| CRM vendor portal in an iframe | 500 to 1,500 | Fast | Poor experience, imposed design |
Our recommendation for 1,200 members: real-time SSO if your vendor exposes a decent API, otherwise nightly sync. Avoid the iframe, it breaks the mobile experience. With Salesforce Nonprofit, compare the licence cost of Experience Cloud against a custom portal reading the CRM through its API.
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Mini case study
Thomas, director general of a 1,200-company federation in Paris, commits 48,000 EUR excl. VAT to the redesign and 7,200 EUR of annual maintenance. His team spent 45 person-days a year on the dues call, at a loaded 350 EUR per day, so 15,750 EUR. After the redesign, 15 days remain, or 5,250 EUR, saving 10,500 EUR. Collection time drops from 62 to 21 days on 1.4 million EUR of dues, which improves cash flow. The members-only watch also helps recruitment: 30 new members at an average 1,100 EUR fee bring 33,000 EUR a year. The project pays back in under two years, cash flow gains excluded.
FAQ
What budget for redesigning a website for 1,000 to 1,500 members?
Plan 35,000 to 60,000 EUR in Paris or 40,000 to 70,000 GBP in London in 2026 with member portal, directory and online dues. A public website alone, without a member area, is closer to 15,000 to 25,000 EUR.
How long does the project take?
Four months on average, including one month of scoping and design. Go-live should be at least two months before the annual dues call.
Is direct debit hard to set up?
No, a payment provider supplies the electronic mandate and creditor identifier. It costs a few tens of cents per collection, against 0.8 to 1.5 % for a card.
Can we keep our current membership CRM?
Yes, in most cases. SSO or API sync costs 2,000 to 5,000 EUR depending on the quality of the vendor API.
What does maintenance at 600 EUR per month cover?
Security updates, monitoring, backups and 4 to 6 hours of monthly changes. Major new features are quoted separately.
Let's scope your project. Tell us your number of members, your CRM and the date of your next dues call: we will price the scope, give an indicative budget and a schedule. 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.
