The verdict in three sentences
For an international tax and fiduciary firm in Frankfurt, a new website from a local agency typically lands between 15,000 and 45,000 EUR in 2026, before content and translation. A fixed remote grid such as Kolonell's (2,700 EUR Starter, 4,500 EUR Growth, 8,200 EUR Premium) covers design, build and copywriting, with German and English handled in the Premium multilingual tier. The real gap sits in third-party costs (specialist translation, professional rules review, photography) and in the three-year view, so compare totals rather than headline quotes.
What does a Frankfurt agency actually charge for this kind of site?
The Rhine-Main market is expensive because agencies there serve banks, asset managers and large advisory firms. Senior day rates seen on public agency rate pages and in typical agency quotes sit around 800 to 1,400 EUR. Here are 2026 ballpark figures for a 15 to 25 page site in German and English.
| Provider type | Typical quote (2026 ballpark) | Usual timeline | What you usually get |
|---|---|---|---|
| Rhine-Main freelancer | 4,000 to 12,000 EUR | 6 to 10 weeks | Adapted theme, content supplied by the firm |
| Mid-size local agency | 15,000 to 45,000 EUR | 10 to 16 weeks | Custom design, CMS, project lead, copy often extra |
| Premium agency used to financial clients | 50,000 to 120,000 EUR | 4 to 6 months | Brand workshop, UX research, full bilingual production |
| Kolonell Starter | 2,700 EUR | 3 to 4 weeks | Core site, native copywriting, 3 months of support |
| Kolonell Growth | 4,500 EUR | 3 to 4 weeks | More service pages, insights, technical SEO basics |
| Kolonell Premium | 8,200 EUR | 4 to 6 weeks | Multilingual tier, languages set in the quote |
All three Kolonell tiers include a project manager reachable in your time zone, native English or French copywriting, delivery in 3 to 4 weeks (4 to 6 for Premium) and 3 months of support. Client areas, document portals and integrations (practice management software, e-signature) are on quote. Details are on the international offer.
What a cross-border tax and fiduciary site has to prove
Your clients do not search for "tax adviser Frankfurt". A founder moving from London to Hesse types "exit tax Germany adviser English" or "Wegzugsbesteuerung Beratung Frankfurt". The CFO of a US group setting up a GmbH searches "transfer pricing documentation Germany mid-size". A family holding assets in Switzerland and Germany looks for "trust administration CRS reporting Germany". These people judge three things in under a minute: who signs (qualifications actually held, such as Steuerberater, Wirtschaftsprüfer or tax lawyer), which jurisdictions you really cover, and whether your discretion is credible.
The pages that carry that judgement:
- one page per issue: relocation and exit taxation, transfer pricing, substance and holding structures, fiduciary or trust administration where you are authorised, CRS and FATCA reporting;
- a jurisdictions page with an honest scope, including what you handle through correspondents;
- the team, with titles and working languages;
- dated, factual insights, with no outcome promises and no aggressive planning pitch;
- a secure contact path that never asks clients to send tax documents through a plain form;
- the mandatory notices: Impressum and privacy policy.
The German framework shapes the content. GDPR and the federal BDSG apply, supervised by the state data protection authority (in Hesse, the HBDI). The Impressum duty now sits in the German Digital Services Act (DDG). Professional rules for Steuerberater limit advertising to factual information, and if a group entity provides financial services, its BaFin status must be described accurately. Have these points checked by your counsel or chamber. This is not legal advice.
Hidden costs and the three-year total
The build price is one line among several. The table compares a mid-size local agency with the Premium tier, using midpoints. Maintenance amounts are a market assumption, not a Kolonell rate.
| Cost line | Mid-size local agency | Kolonell Premium | Note |
|---|---|---|---|
| Design and build | 30,000 EUR | 8,200 EUR | Fixed price at Kolonell |
| German tax terminology review | often included | 2,000 to 4,000 EUR (third party) | Specialist translator |
| Team photography | 1,500 to 3,000 EUR | 1,500 to 3,000 EUR (third party) | Same cost either way |
| Professional rules review by your counsel | 1,000 to 2,500 EUR | 1,000 to 2,500 EUR | Essential in this field |
| Client portal, DMS integration | on quote | on quote | Often a separate project |
| Maintenance and hosting | 150 to 400 EUR/month (market assumption) | on quote after 3 included months (market assumption 150 to 400 EUR/month) | 36 months vs 33 months |
| Indicative 3-year total (midpoints) | about 43,900 EUR | about 24,275 EUR | Portal excluded |
Working: agency side, 30,000 + 2,250 + 1,750 + 36 × 275 = 43,900 EUR. Kolonell side, 8,200 + 3,000 + 2,250 + 1,750 + 33 × 275 = 24,275 EUR.
When a Frankfurt agency is the better choice
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To be fair, a local agency makes sense if your partners want in-person workshops every week, if the site is one piece of a wider digital programme (portal, DMS, e-signature, CRM), if you are running a full rebrand with German-language naming, or if your procurement policy requires a supplier registered in Germany. Otherwise, ask every provider the same questions:
- Who writes the technical pages (transfer pricing, CRS) and who reviews the German terminology?
- Does the quote include the Impressum, privacy policy and consent banner?
- Where are the site and form data hosted?
- What does maintenance cost after the included period, in figures?
- Who owns the code, the access rights and the domain at the end?
Mini case study
Illustrative example: Mainufer Cross-Border Tax Partners (fictional), 9 professionals, serving relocating executives and cross-border families. A local agency quotes 34,000 EUR for a bilingual site. The Kolonell Premium route comes to 8,200 EUR for the build, 2,800 EUR for terminology review, 1,900 EUR for photography and 1,200 EUR for a professional rules review, so 14,100 EUR. The first-year gap is 34,000 minus 14,100, or 19,900 EUR, which the firm can keep for a secure client portal scoped on quote.
FAQ
How much does a website for an international tax firm in Frankfurt cost in 2026?
Mid-size local agencies usually quote 15,000 to 45,000 EUR, premium agencies 50,000 EUR and more. Kolonell's grid is fixed at 2,700, 4,500 or 8,200 EUR, plus third-party costs such as specialist translation.
Is the German version included?
German and English are handled in Premium, the multilingual tier, with the languages set in the quote. Terminology review by a tax translator remains a third-party cost, often 2,000 to 4,000 EUR.
How long does it take?
Plan on 3 to 4 weeks for Starter and Growth and 4 to 6 weeks for Premium. A local agency usually quotes 10 to 16 weeks.
Can clients send their tax documents through the site?
Not through a standard form: the site collects a minimal first contact. A secure client area with document upload is a separate project on quote, to be scoped with your data protection officer.
What happens after launch?
Three months of support are included. Maintenance afterwards is on quote; as a reference, the German market sits around 150 to 400 EUR per month (market assumption).
Let's scope your project. A bilingual 15 to 25 page site on the Premium tier at 8,200 EUR, delivered in 4 to 6 weeks, with an encrypted portal scoped separately if you need one. See the international offer or request a free quote: detailed reply within 48 hours.
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.
