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Updated: June 2026

Case study · Sao Tome and Principe · Citizenship

Sao Tome citizenship for a Gulf of Guinea engineer:a home passport where his whole career happens

Yerbol has lived to the rhythm of rotations for eight years: four weeks on offshore platforms in the Gulf of Guinea, two at home in Atyrau. His skills are needed on sites from Nigeria to Gabon, and the only thing moving slower than his career was his passport: every transfer between countries in the region began with visa forms and waiting. This is a case about an unexpectedly precise solution: citizenship of an island state sitting in the very centre of his working map.

Sergey EvdokimovSergey EvdokimovManaging Partner, BRIDGESReading time9 min readVerificationReviewed by an expert

This case is based on a real matter. The name and certain identifying details have been changed to protect confidentiality.

BRIDGES client story - Sao Tome citizenship for a Gulf of Guinea engineer: a home passport where his whole career happens
Contents

Case at a glance

Situation, solution and outcome in seven lines

Client
Kazakhstani national, 46, offshore energy maintenance engineer
Applicants
sole applicant
Programme
Sao Tome and Principe citizenship by investment (Decreto-Lei n.o 07/2025)
Objective
free movement between the working countries of the Gulf of Guinea
Contribution
USD 90,000, non-refundable, for a single applicant
Particular
a rotation schedule: the whole process between shifts, biometrics by video
Outcome
passport in 7 weeks; flights across the region with no visa forms

Client story

How the situation developed

Where they started

Yerbol is 46, from Atyrau - a city where oil is a profession inherited from your parents. He spent twenty years maintaining offshore platforms in the Caspian, and eight years ago a service company offered him a contract in West Africa. Since then his working map has been the Gulf of Guinea: platforms off Nigeria, service runs out of Angola, projects near Gabon.

Why the standard route did not work

The region pays well and specialists trained in the Caspian are valued there. The problem was personal logistics: a Kazakhstani passport requires a visa for almost every country on his route. Between rotations Yerbol did not rest, he collected documents: invitations from operators, forms, waiting in consulates. Twice in the last two years he arrived late for the start of a shift because of a stuck permit - for a service engineer that hits both the contract and the reputation.

What BRIDGES had to solve

The idea came from a Portuguese colleague pointing at the map: in the middle of the Gulf of Guinea, a couple of hours’ flight from their sites, lies the island state of Sao Tome and Principe - and it has a citizenship by investment programme. A contribution of USD 90,000, the most accessible in the world alongside Nauru, processing in 6-8 weeks, fully remote, and a passport that opens dozens of countries visa-free, including the West and Central Africa where Yerbol works. He came to us to check whether it sounded too good to be true.

I am used to distrusting simple solutions - on a platform, simple solutions usually end badly. So I asked to see everything: the law, the agent’s status, what the passport gives and what it does not. It was all laid out for me, including the fact that there is no Schengen. I do not need Schengen - I need the Gulf. We completed it between two rotations and I did the biometrics by video from Atyrau. Now I fly between sites like a local.

Yerbol · offshore energy maintenance engineerThe name and certain identifying details have been changed to protect confidentiality.

What was at stake

Risks we could not ignore

No drama in this case, but four practical features, each easy to underestimate:

the rotation schedule: the windows for signings and procedures are the two weeks between shifts, so the calendar had to be built around the rotations rather than the other way round;

  1. 01certificates from several countries: besides the Kazakhstani one, a police clearance certificate was needed from Nigeria, where Yerbol had worked for years on work permits - ordered through a local representative;
  2. 02a rotation worker’s source of funds: income from contracts with two service companies over eight years; a careful history of contracts, statements and taxes had to be assembled across two jurisdictions;
  3. 03honest expectations: a Sao Tome passport gives around 63 countries visa-free - Africa, Hong Kong, Latin America; the Schengen area, the US and the UK remain visa countries, and we said so at the first meeting.

The logic of the solution

How the matter progressed: from checks to result

The chart is built from the facts of this matter and shows the logic of the work without decorative or unverified data.

  1. 01
    Stage 1

    We started by checking expectations against the law, the agent’s status and an honest visa-free map.

  2. 02
    Stage 2

    We assembled the source of funds across two jurisdictions: contracts, payment statements and tax evidence.

  3. 03
    Stage 3

    We arranged police clearance in Kazakhstan and, through a representative, in Nigeria.

  4. 04
    Stage 4

    We filed with the CIU through a licensed agent; biometrics were given by video with a local notary.

  5. 05
    Stage 5

    After approval the contribution was paid and the passport arrived by courier on day 50.

Takeaway. A programme launched in 2025 solved in seven weeks what eight years of operator invitations and stacks of forms could not.

How we solved it

How we solved it

The work was split into verifiable stages so that every conclusion rested on documents.

  1. 01

    Stage 1

    We began by checking expectations: we showed the client the legal basis - Decreto-Lei n.o 07/2025, in force since August 2025 - the licensed CIU agent’s status, and an honest visa-free map including what the passport does not give. Yerbol made his decision on facts.

  2. 02

    Stage 2

    We assembled the source of funds across two jurisdictions: eight years of contracts with service companies, statements of contract payments and Kazakhstani tax evidence - a rotation worker’s income came together as a transparent, continuous history.

  3. 03

    Stage 3

    We arranged the police clearance certificates: the Kazakhstani one in the first window ashore, the Nigerian one through a local representative under power of attorney while Yerbol was on rotation; both legalised and translated.

  4. 04

    Stage 4

    We filed through a licensed agent with the Citizenship Investment Unit of Sao Tome and Principe and passed the review with no additional requests; Yerbol gave his biometrics by video call with a local notary - a procedure available in the programme since April 2026 - from his home in Atyrau.

  5. 05

    Stage 5

    After approval the client paid the non-refundable USD 90,000 contribution, and on day 50 a courier delivered the passport: he signed his next contract as a citizen of the country sitting in the middle of his working map.

Expert comment

The second citizenship industry barely notices rotation and contract workers - everyone looks at founders and rentiers. That is a mistake: people who live between countries on a schedule have the most honest brief and the clearest source of funds - contracts, statements, taxes, with no grey areas at all. Two rules for such cases: the calendar is built around the shift schedule rather than the adviser’s convenience; and certificates from countries of long-term work go into the plan immediately - a Nigerian certificate through a representative is straightforward but not a one-week job. Then the whole case goes as Yerbol’s did: between two rotations, without a single contract moved.

Sergey Evdokimov, Managing Partner, BRIDGESSergey EvdokimovManaging Partner, BRIDGES

Outcome

What the client received

Applicants
sole applicant
Programme
Sao Tome and Principe citizenship by investment (Decreto-Lei n.o 07/2025)
Objective
free movement between the working countries of the Gulf of Guinea
Contribution
USD 90,000, non-refundable, for a single applicant
Particular
a rotation schedule: the whole process between shifts, biometrics by video
Outcome
passport in 7 weeks; flights across the region with no visa forms

The Sao Tome and Principe passport reached Atyrau by courier on day 50 - inside the 6-8 week window the programme promises. On the very first transfer of his new contract - Nigeria, then a service run in Gabon - Yerbol travelled without a single visa form. Two hours’ flight from his sites there is now a country where he is not a guest.

Practical takeaway

What matters in a similar situation

  • The case shows the power of geographic coincidence: a programme launched in 2025 solved a problem that eight years of operator invitations and stacks of forms could not. Yerbol has shelved the CPLP fast track to Portugal for now - but with a clear understanding that the shelf is his.

FAQ

Questions people ask in a similar situation

01What does a Sao Tome passport give for working in Africa?

Visa-free or simplified entry to around 63 countries, including West and Central African states, Hong Kong and part of Latin America. For specialists working in the Gulf of Guinea it covers most work travel. It does not open the Schengen area, the US or the UK.

02Can Sao Tome citizenship be obtained without travelling to the country?

Yes, the process is fully remote: filing through a licensed agent, biometrics by video call with a local notary (an April 2026 update), and the passport delivered by courier. Our client completed every step from Kazakhstan between rotations.

03How does a rotation worker evidence income?

With employment and service company contracts, statements of contract payments and tax documents - covering several years and every jurisdiction worked in. A multi-year contract history is one of the most transparent sources of funds there is.

04What is CPLP and what does it give a Sao Tome citizen?

The Community of Portuguese Language Countries, which includes Portugal, Brazil, Angola and others. A citizen of Sao Tome may apply for naturalisation in Portugal after 7 years instead of the usual 10 - a long-term option that comes with the passport.

05How long is a Sao Tome passport valid?

The passport booklet is issued for 7 years and then reissued; citizenship itself is for life and passes to descendants. The country permits dual citizenship.

06Which documents were key in this case?

We began by checking expectations: we showed the client the legal basis - Decreto-Lei n.o 07/2025, in force since August 2025 - the licensed CIU agent’s status, and an honest visa-free map including what the passport does not give. Yerbol made his decision on facts. We assembled the source of funds across two jurisdictions: eight years of contracts with service companies, statements of contract payments and Kazakhstani tax evidence - a rotation worker’s income came together as a transparent, continuous history.

07Why did the standard route not suit the client?

The region pays well and specialists trained in the Caspian are valued there. The problem was personal logistics: a Kazakhstani passport requires a visa for almost every country on his route. Between rotations Yerbol did not rest, he collected documents: invitations from operators, forms, waiting in consulates. Twice in the last two years he arrived late for the start of a shift because of a stuck permit - for a service engineer that hits both the contract and the reputation.

08What risk had to be closed before filing?

No drama in this case, but four practical features, each easy to underestimate: the rotation schedule: the windows for signings and procedures are the two weeks between shifts, so the calendar had to be built around the rotations rather than the other way round;

09How did BRIDGES check that the chosen solution would hold?

We filed through a licensed agent with the Citizenship Investment Unit of Sao Tome and Principe and passed the review with no additional requests; Yerbol gave his biometrics by video call with a local notary - a procedure available in the programme since April 2026 - from his home in Atyrau. After approval the client paid the non-refundable USD 90,000 contribution, and on day 50 a courier delivered the passport: he signed his next contract as a citizen of the country sitting in the middle of his working map.

10What confirmed the result in the end?

The Sao Tome and Principe passport reached Atyrau by courier on day 50 - inside the 6-8 week window the programme promises. On the very first transfer of his new contract - Nigeria, then a service run in Gabon - Yerbol travelled without a single visa form. Two hours’ flight from his sites there is now a country where he is not a guest. Applicants: sole applicant. Programme: Sao Tome and Principe citizenship by investment (Decreto-Lei n.o 07/2025). Objective: free movement between the working countries of the Gulf of Guinea. Contribution: USD 90,000, non-refundable, for a single applicant. Particular: a rotation schedule: the whole process between shifts, biometrics by video. Outcome: passport in 7 weeks; flights across the region with no visa forms

11Can this route be repeated directly in another situation?

No, the route cannot be copied without checking the initial data. This case reflects a specific situation: Yerbol has lived to the rhythm of rotations for eight years: four weeks on offshore platforms in the Gulf of Guinea, two at home in Atyrau. His skills are needed on sites from Nigeria to Gabon, and the only thing moving slower than his career was his passport: every transfer between countries in the region began with visa forms and waiting. This is a case about an unexpectedly precise solution: citizenship of an island state sitting in the very centre of his working map. Programme terms and the requirements of banks or authorities can change, so the documents and risks of a new applicant need to be checked first.

About the author

Sergey Evdokimov

Author: Sergey Evdokimov

Managing Partner, BRIDGES

As Founder and Managing Partner of BRIDGES, I am responsible for the firm's strategy and personally lead its most complex client matters, including cases in which citizenship or residence decisions require a strategic view and consideration of capital.

I begin by defining the objective: the outcome the client needs, the facts that affect the choice, and the matters that require further review. I then establish the available directions, the sequence of work, and the key decision points.

Once the strategy has been agreed, I oversee the BRIDGES team's key decisions and remain involved at the stages that shape the course of the matter. The purpose is to give the client a clear rationale for the chosen direction and a precise understanding of the next steps.

Prepared on the basis of BRIDGES practice and reviewed by a subject-matter expert.

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Anna KovalevskayaHead of Legal, BRIDGES
Anna Kovalevskaya, Head of Legal, BRIDGES

Names and certain details have been changed to protect client confidentiality. The result described reflects one specific situation and is neither a public offer nor a guarantee of a similar outcome. Programme terms are stated as of 2026 and may change - please confirm current parameters with a BRIDGES consultant.