If you want the shortlist first: Henley & Partners ranks number one and CitizenX number two. Latitude, Polaron European Citizenship, Sable International and Italian Citizenship Assistance follow. The order reflects public service scope, country coverage, help with records, process clarity and usefulness for families living across borders. Think of it as a sensible starting list, not proof that the same company will suit every family tree.

Descent can cost far less than investment citizenship, yet the paperwork can be much harder. Saying that a grandparent came from Europe is not enough. You need to know whether that country's law passes citizenship through your exact family line, then prove every relevant birth, marriage, naturalisation and name change.

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How we compared descent services

We focused on the parts families usually struggle with: choosing the right country, checking eligibility, finding old records, correcting inconsistencies, arranging translations and getting the file to the right authority. We also looked for honest explanations of what the provider does not handle. Public information was checked on 8 September 2026.

The ranking deliberately separates breadth from specialisation. A global firm may be useful when a family has Irish, Polish and Canadian lines to compare. A specialist can be stronger when the only viable case is a complex Polish restoration or Italian court matter. The correct first step is a documented eligibility opinion, not the biggest package.

The six best companies to compare

1. Henley & Partners: best overall for multi-country ancestry planning

Henley & Partners ranks first. Its dedicated descent service publicly covers routes including Austria, Canada, Germany, Ireland, Israel, Italy, Poland, Portugal and Romania. The firm says it can manage ancestry exploration, proof of lineage, document preparation and the process through passport delivery, with genealogist support available where required.

Henley makes the most sense for internationally mobile families with more than one possible ancestral route or a wider residence and citizenship plan.

Ask before engaging: which country-specific professionals will handle the file, whether genealogical research is included, and which legal conclusions are delivered in writing.

2. CitizenX: best for a digital, remote-first process

CitizenX ranks second. Its public platform lists multiple descent programs, including Canada, Croatia, Czechia, Ireland, Italy, Lithuania, Romania, Slovakia and Poland. It presents eligibility, indicative pricing and application logistics in a consistent online format, supported by a concierge model.

CitizenX is likely to suit families gathering records across several time zones who want one online workspace and an easy way to compare routes.

Ask before engaging: which local lawyer, genealogist or filing partner handles the country, how historical records are sourced, and whether quoted timing depends on government archives or consulate capacity.

Multigenerational family reviewing old civil records and building a family tree together
Illustrative scene: a descent case is built one documented generation at a time.

3. Latitude: best for comparing ancestry with investment routes

Latitude publishes descent services for Austria, Canada, Ireland, Italy, Poland, Portugal and Slovakia alongside investment-residence and citizenship programs.

Best for: families unsure whether ancestry, residence or investment is the strongest path.

4. Polaron European Citizenship: best specialist for Central European files

Polaron European Citizenship focuses on European citizenship through ancestry and supports research, translation and application management through an international network. Its public materials highlight Polish, German, Czech, Slovak and other European cases.

Best for: families with records in Central or Eastern Europe, especially where archive searches and multilingual documents drive the case.

5. Sable International: best for British nationality and regulated UK advice

Sable International is particularly relevant for British nationality by descent and other heritage-based UK claims. Its site identifies the UK business as authorised by the Immigration Advice Authority and provides an online nationality assessment.

Best for: UK-focused cases where the exact birth dates, territories, marital status and transmission rules require regulated nationality advice.

6. Italian Citizenship Assistance: best for full-service Italian cases

Italian Citizenship Assistance publishes full-service packages covering genealogy research, civil-record retrieval, apostilles, translations, forms and consular coordination for Italian jure sanguinis cases.

Best for: applicants with a current, viable Italian route who want one provider to coordinate records and filing preparation.

When professional help is worth paying for

You may not need a company if the route is clear, the parent or grandparent documentation is complete and the responsible consulate publishes a straightforward checklist. Direct government filing can be the most economical option.

Professional help becomes more valuable when:

  • an ancestor changed names or used different spellings;
  • naturalisation dates may have broken the citizenship chain;
  • records sit in several countries or alphabets;
  • the route depends on historic borders or discrimination remedies;
  • a court filing rather than an administrative application may be required;
  • several relatives want to coordinate one evidence set; or
  • the applicant lives in Dubai while archives, consulates and lawyers are elsewhere.

Italy illustrates why current legal review matters. The Italian foreign ministry explains that 2025 legislation added new limits and exceptions for people born abroad who already hold another citizenship. Old online guides describing an unlimited route can therefore be misleading. Always check the current government page for the country and the consulate responsible for your residence.

How to compare quotes

Ask each provider to split the engagement into eligibility, genealogy, civil-record orders, certified copies, apostilles or legalisation, translations, record amendments, legal representation, filing fees, consular appointments and passport work. A low quote may cover only form preparation; a higher quote may include years of archive retrieval and litigation. They are not comparable until the scope is itemised.

For UAE residents, document handling deserves special attention. The VisAVis document legalisation guide explains the difference between obtaining a record, authenticating it and translating it for a foreign authority. If the passport is intended to support a European career move, also review the site's country guides and remember that work rights depend on the citizenship actually recognised, not on a pending application.

Mistakes to avoid

Do not pay for archive work before receiving a preliminary family-tree assessment. Do not assume that DNA results prove legal descent. Do not rely on an old law summary, especially for Italy. Do not accept a guaranteed passport or fixed government timeline. Do not let a provider keep the only certified originals without a documented return plan.

One final question is worth asking plainly: who is actually giving the legal advice? A project manager, genealogist, translator and lawyer do different jobs. A trustworthy provider will introduce those roles clearly instead of hiding them inside one vague service package.

FAQ

Which citizenship by descent company is best in 2026?

Henley & Partners ranks first here for broad country coverage and end-to-end ancestry support. CitizenX ranks second for its digital platform, published country options and concierge model. A specialist may still be better for a difficult country-specific case.

Do I need a company to claim citizenship by descent?

Not always. Many applicants can file directly through a consulate or government service. Professional help is most useful when the legal chain or documents are complicated.

What should a descent service include?

The written scope should identify the route, qualifying family line, missing records, archive searches, certified copies, apostilles, translations, filing channel, professional fees and exclusions.

Informational disclaimer: this article was reviewed on 8 September 2026 and is general information, not legal or immigration advice. Nationality laws, evidentiary standards, consular procedures and processing times change. Confirm eligibility with the responsible government or consulate and a qualified country-specific professional before paying for records or filing.