Immigration Lawyers & Solicitors in London

Paul Gulbenkian

Reviewed by: Paul Gulbenkian , Senior Consultant & Former Tribunal Judge

Last updated: May 5, 2026

Whether you need help coming to the UK, bringing family to join you, securing permanent residence or sponsoring overseas employees, our award-winning immigration solicitors in London have the specialist expertise and experience to make it happen.

OTS Solicitors is recognised as one of London's leading immigration law firms. With over 95 years of combined experience and knowledge in immigration law, our award-winning solicitors are ultimately here to ensure that you get the best immigration solicitors in London to represent your interests.

Our experts can provide up-to-the-minute, effective immigration advice for clients in London and across the UK, as well as internationally. We have extensive experience with the most complex and niche immigration matters, so no matter how challenging your circumstances, our team can provide specialist advice with a proven track record of success.

Our track record speaks for itself. We represent over 2,000 cases every year, backed by 100 years of combined expertise across our team. Every instruction is handled on a fully fixed fee basis, so you can focus on your future with complete confidence in both the quality of advice and the cost of receiving it.

We not only pride ourselves on high success rates and exceptional standards of immigration services, but also on fairness and transparency when it comes to costs. We believe our business begins and ends with our client, and we are committed to providing the best client care and immigration advice in the UK.

No matter where you are based, in the UK or internationally, we can advise you on UK immigration law, offering support over the phone and via videoconferencing software such as Zoom and Microsoft Teams.

Our top London immigration lawyers can advise on matters including:

• Spouse visas
• Fiancé visas
• Unmarried partner visas
• Adult dependant visas
• Sponsor licence applications, renewals and compliance
• Indefinite leave to remain & naturalisation (commonly known as British Citizenship applications)
• Pre-settled Status under Appendix EU
• Settled Status under Appendix EU
• Skilled Worker visas
• Temporary Worker visas
• Global Business Mobility visas
• UK Expansion Worker visas
• Scale-up visas
• Innovator visas
• Start Up visas
• Global Talent visas
• High Potential Individual visas
• Student visas
• Graduate visas
• Ancestry visas
• Refugee and Human Rights applications
• Immigration tribunal appeals
• Administrative review
• Judicial review
• Tourist visas
• Asylum & human rights applications

For a full list of immigration matters with which we can assist, please take a look at our immigration services for individuals and immigration services for businesses.

You can also review a more comprehensive list of immigration advice and services we offer below.

Discuss your case with our immigration team

To discuss your immigration requirements, we can talk with you at our offices, over the phone or online via Web Conferencing such as Zoom, and Microsoft Teams.

To speak to our leading immigration lawyers in London, please call now on 0203 959 9123 or use our simple online enquiries form.

Why clients trust our immigration specialists

We are independently accredited as leading London immigration solicitors

• We hold the highest Law Society Accreditation award in Immigration Law
• We have been consistently ranked as leading immigration experts by respected client guides, the Legal 500 and Chambers & Partners
• All of our Partners and Heads of Departments such as Teni Shahiean are Legal 500 and Chambers and Partners recommended Immigration Lawyers
• Managing Partner Oshin Shahiean is also a Law Society accredited Immigration Supervisor
• We take an active role in ILPA – the Immigration Law Practitioners’ Association – the UK’s leading immigration pressure group, which works to promote and improve advice and representation relating to immigration, asylum and nationality law

We have exceptional experience few other firms can match

• Our team has over 95 years of combined experience and knowledge covering all areas of immigration law
• The team includes Paul Gulbenkian, a former Immigration Tribunal Judge and Crown Court Recorder, who was a founder member of the Immigration Law Practitioners’ Association (ILPA) and President of the European Immigration Lawyers Group
• Immigration law is the sole focus of our firm, so you can be confident that every one of our immigration lawyers is an absolute expert
• We work very closely as a team, so we can draw on expertise from across the firm for even the most complex immigration situations

We provide the very best personal care for every client

• You will receive an initial telephone discussion so you can get to know your solicitor, and for our solicitors to have a detailed understanding of your case before proceeding to a consultation
• We never sell you dreams – our immigration solicitors will always be completely honest and realistic about what can be achieved and any barriers you may face
• We practice real fairness and transparency when it comes to costs – we will always give you clear information about our fees and a realistic estimate of our costs upfront
• Your case matters – whether you are a business owner, student, High Net Worth individual, visitor or anyone else, we will always treat you with dignity and respect, while providing the best tailored legal advice for your circumstances

We get results

• We pride ourselves on a very high success rate for our clients
• In many cases, we are able to resolve immigration problems caused by bad advice or where other immigration lawyers have been unable to help
• For specific examples of results we have achieved for our clients, please take a look at our case studies

Find out more about OTS solicitors

Individual UK immigration advice and services

If you are seeking entry to the UK to live, work, study or for any other personal reason, our UK immigration solicitors can advise you on the best entry route and guide you through every stage of the visa application process. We can also assist with securing your future in the UK through options including indefinite leave to remain and naturalisation.

Are you already settled with Indefinite Leave to Remain? Or maybe you are a British national, and you are hoping for your partner/husband or wife or other family members to gain a permit of permanent residence with you in the UK? Our top immigration lawyers have the expertise to provide advice, practical assistance, professional representation or court representation from start to finish. Our solicitors will provide the best immigration advice, which is tailored to each client.

We work with all types of private clients, from Students, Visitors, to High Net Worth individuals and everyone in between. Our clients come from all over the world and, while we are based in London, we can advise on immigration to any part of the UK.

Our solicitors get personally involved all the way through the process to minimise any stress. No matter who you are or what your circumstances are, you will get the same exceptional service and legal expertise.

Our London immigration solicitors for individuals can help you with matters including:

Work Permit Visas

Our team guides you through the application of Work Permit Visas, ensuring compliance with Home Office rules. We assess eligibility, prepare documentation, and provide tailored advice to secure your right to work in the UK.

Spouse Visas

We assist clients with Spouse Visas, helping couples meet Home Office requirements for family reunification. From eligibility assessment to application submission, we provide practical guidance and support throughout the process to protect your relationship and your UK residency plans.

Student Visas

Our experts handle Student Visas for international students seeking to study in the UK. We advise on course eligibility, documentation, and visa compliance, ensuring your application is accurate for a smooth start to your academic journey.

Graduate Visas

Our expert team offers specialist advice on the process of applying for a Graduate Visa, guiding you through the process from start to finish. Part of the process also involves assessing whether any alternative visa routes may be better suited to your situation, such as a student visa or skilled worker visa.

Asylum and Human Rights

We provide specialist advice for Asylum and Human Rights applications, representing clients facing complex legal challenges. Our team works to protect your rights, presenting strong evidence to the Home Office and ensuring your case is thoroughly supported.

Immigration Appeals and Refusals

If your visa application is refused, our solicitors regularly manage Immigration Appeals and Refusals. We review your case, prepare submissions, and represent you at hearings to maximise your chances of a successful outcome.

Immigration Detention, Bail and Removal

If you have been detained, require bail, or are currently on immigration bail, you can count on our specialist solicitors to work with the Home Office on your behalf to make sure that your case is heard and any issues are properly addressed.

Judicial Reviews

We act on Judicial Reviews to challenge decisions where errors or unfairness have occurred. Our team carefully prepares legal arguments to ensure the Home Office’s decisions are held to account while protecting your immigration status.

Indefinite Leave to Remain

We assist clients applying for Indefinite Leave to Remain, providing expert advice on eligibility under contribution-based rules, residency requirements, and supporting documentation. Our goal is to secure permanent settlement and long-term stability in the UK.

EEA Applications

Our specialists manage EEA Applications, guiding you through pre-settled and settled status under the EU Settlement Scheme. We ensure applications are accurate, meet Home Office requirements, and protect your rights in the UK.

British Citizenship

We support clients seeking British Citizenship, advising on eligibility, good character requirements, and the Life in the UK Test. Our team ensures your application is complete, well-documented, and presented with the strongest possible chance of approval.

UK Visitor Visas

You may need to obtain a UK Standard Visitor Visa if you intend to visit the UK for a short stay. Our immigration solicitors have in-depth knowledge and experience of helping applicants with UK Visitor Visas, and can work with you to handle every aspect of your application.

Unmarried Partner Visas

Our immigration solicitors assist with applications for UK Unmarried Partner Visas, allowing individuals to reunite with their British-based partner where they meet certain eligibility requirements.

UK business immigration advice and services

When your business needs to bring an employee to the UK, there are complex immigration rules that must be navigated. Getting expert advice can save you a lot of time, money and stress, while ensuring you can achieve the outcome your business needs.

You might be a UK employer recruiting from abroad, an overseas business, investor or entrepreneur looking to establish a presence in the UK, or perhaps you represent an international business that needs to transfer an employee between countries?

We can help with all your business immigration law matters, including:

Innovator visas

We advise businesses and entrepreneurs on Innovator Visas, guiding applicants through eligibility, investment requirements, and application submission. Our team ensures the strongest possible case to establish or grow an innovative business in the UK.

Start Up Visas

Our solicitors assist with Start Up Visas, supporting new entrepreneurs to launch their UK business. We provide clear guidance on Home Office requirements, documentation, and business viability to give your application the best chance of success.

Sponsorship Licences

We help employers obtain and maintain Work Permit Visa and Sponsorship Licences, ensuring compliance with UK immigration law. Our team advises on responsibilities, record-keeping, and audits to allow your organisation to sponsor overseas workers confidently.

Sponsorship Licence Applications

Our experts manage Sponsorship Licence Applications, preparing all required documentation and submissions to meet Home Office criteria efficiently and accurately. We ensure businesses can recruit skilled international workers with minimal risk.

Sponsorship Licence Audits and Compliance

We conduct Sponsorship Licence Audits and Compliance checks, identifying potential issues and implementing corrective measures. Our team helps employers maintain full compliance and avoid penalties for non-compliance with immigration regulations.

Sponsorship Licence Renewal

We support clients through Sponsorship Licence Renewal, managing deadlines, required evidence, and regulatory obligations to maintain uninterrupted ability to sponsor overseas employees.

Sponsorship Licence Revocations

Our solicitors advise on Sponsorship Licence Revocations, representing businesses facing licence withdrawal. We guide clients through the review process to mitigate risks and protect their ability to employ international staff.

Sponsorship Licence Management

We provide ongoing Sponsorship Licence Management, helping businesses stay compliant with their duties as a licensed sponsor. Our team monitors regulatory changes, maintains accurate records, and ensures your licence remains in good standing so you can continue to recruit and retain international talent without disruption.

Illegal working compliance

We provide practical guidance on illegal working compliance, helping businesses meet legal responsibilities and prevent breaches that could result in fines or reputational damage.

Points Based System

Our team advises employers on the Points Based System, ensuring staff sponsorship aligns with visa requirements and eligibility criteria under UK immigration law.

Sponsoring Skilled Workers

We assist businesses in Sponsoring Skilled Workers, preparing applications, assessing eligibility, and ensuring all documentation meets Home Office standards for smooth recruitment and retention of international talent.

Global Migration Planning

We offer Global Migration Planning, helping multinational businesses develop strategies for moving staff internationally, ensuring compliance and minimising disruption to operations.

Temporary Workers

We advise on Temporary Workers, supporting short-term visa applications for seasonal, contract, or project-based roles while ensuring adherence to immigration law.

Education Institutions

Our team assists Education Institutions with compliance and staff visas, helping universities and colleges sponsor international educators, researchers, and support staff efficiently.

International transfers

We guide businesses through International transfers, ensuring employees moving to the UK meet visa requirements and that corporate relocation plans are legally compliant and seamless.

Work visa refusals

If your organisation faces Work visa refusals, our solicitors review the case, advise on next steps, and represent clients in appeals or administrative reviews to protect recruitment plans.

Judicial Reviews

We handle Judicial Reviews for businesses challenging Home Office decisions, preparing strong legal arguments to safeguard operations and sponsorship rights.

Establishing a UK branch of your international operation

Our team assists with establishing a UK branch of your international operation, navigating immigration compliance, staffing, and sponsorship licences to ensure your business can operate lawfully and efficiently in the UK.

US Visa

Our solicitors advise on US Visa applications for individuals and businesses requiring travel or work authorisation in the United States. We guide clients through the appropriate visa category, documentation requirements, and application process to maximise the chances of a successful outcome.

UK Expansion Worker Visa

We assist overseas businesses with UK Expansion Worker Visa applications, enabling companies to send senior employees to the UK to establish a new branch or subsidiary. Our team advises on eligibility, sponsor requirements, and the application process to support a smooth and compliant UK market entry.

UK Global Mobility Visa

Our business immigration solicitors advise on the UK Global Mobility Visa, helping multinational businesses transfer employees to the UK efficiently. We guide employers and applicants through the relevant visa route, ensuring all eligibility criteria and sponsorship obligations are met for a streamlined relocation process.

UK Skilled Worker Visa

We support businesses and applicants with UK Skilled Worker Visa applications, advising on eligibility, salary thresholds, and sponsor requirements. Our team prepares thorough documentation to meet Home Office standards, helping employers recruit the international talent their organisation needs.

UK Sole Representative Visa

Our solicitors advise on the UK Sole Representative Visa, assisting overseas businesses looking to establish a UK presence by sending a senior employee to set up operations. We guide applicants through eligibility requirements and documentation to ensure a well-prepared and compliant application.

UK Tier 1 Entrepreneur Visa

We advise on the UK Tier 1 Entrepreneur Visa, supporting individuals seeking to invest in and run a business in the UK. Our team guides applicants through investment requirements, business plans, and application submissions to present the strongest possible case to the Home Office.

UK Tier 1 Investor Visa

Our solicitors assist high-net-worth individuals with UK Tier 1 Investor Visa applications, advising on qualifying investments, eligibility criteria, and the application process. We help clients structure their case carefully to meet Home Office requirements and secure their immigration status.

UK Business Visa

We advise individuals and organisations on UK Business Visa applications, covering short-term visits for meetings, negotiations, or exploratory activities. Our team ensures applicants understand the permitted activities, documentation requirements, and conditions attached to their visa to avoid compliance issues.

UK Tier 2 (Intra-Company Transfer) Visa

Our experts handle UK Tier 2 Intra-Company Transfer Visa applications, helping multinational businesses relocate overseas employees to their UK operations. We advise on eligibility, salary requirements, and sponsorship obligations to ensure a compliant and efficient transfer process.

Whatever your requirements, our business immigration lawyers can advise you on the correct immigration processes. We can help you achieve your objective as quickly and smoothly as possible in a way that fits your commercial strategy. We can also provide strategic business legal advice through our in-house corporate and commercial lawyers.

Our Immigration Process: What Clients Can Expect

Immigration matters are often complex and deeply personal. Whether you are applying for a visa, seeking settlement in the UK, or bringing family members to join you, the process can feel uncertain without the right guidance. At OTS Solicitors, our role is to provide clear, practical legal advice and dedicated support throughout every stage of your immigration journey.

As a Law Society accredited firm recognised by the Legal 500, our immigration solicitors combine extensive technical expertise with a highly personal approach. We understand that every client’s circumstances are different, which is why we take the time to develop a tailored strategy designed around your individual goals and long-term plans in the UK.

Initial Consultation & Case Evaluation

Every case begins with a detailed consultation. During this stage, we take the time to understand your circumstances, immigration history, and what you are hoping to achieve.

Our solicitors will assess the immigration options available to you and identify the most suitable route under the UK immigration rules. We also consider potential risks, likely timelines, and the practical steps required to move your application forward.

Importantly, we provide honest and realistic advice from the outset. Immigration rules are complex, and our priority is to ensure you have a clear understanding of your position and the best way to proceed.

Strategy & Tailored Legal Advice

Once we have reviewed your circumstances, we will develop a clear legal strategy for your application.

Our immigration team includes highly experienced solicitors and specialists who regularly handle complex cases. With extensive experience advising individuals, families, entrepreneurs, and businesses, we are able to provide highly specialised guidance tailored to your specific situation.

At this stage, we will advise you on:

• Your eligibility under the relevant immigration route
• Any potential challenges or risks that may arise
• The most effective way to structure your application
• The evidence required to support your case

Our focus is always on preparing the strongest possible application while ensuring full compliance with Home Office requirements.

Document Review & Preparation

Supporting documentation is one of the most important aspects of any immigration application. Even strong cases can be refused if the required evidence is incomplete or not presented correctly.

Our solicitors will carefully review your documents and provide a tailored checklist of the information needed to support your application. This may include financial records, employment documentation, relationship evidence, business information, or proof of residence, depending on your visa category.

We ensure that all documentation is accurate, clearly presented, and aligned with Home Office expectations. This careful preparation helps minimise the risk of delays and strengthens your application.

Application Preparation & Submission

Once your documents are ready, our team will prepare your application and submit it to the Home Office.

As an award-winning immigration law firm, we prepare applications with thorough attention to detail. Where necessary, we include detailed legal representations explaining how your application satisfies the relevant immigration rules and addressing any issues that could potentially arise.

Our aim is to ensure that your application is complete, compliant, and presented in the strongest possible way.

Ongoing Support & Communication

Immigration decisions can take time, and we understand how important it is for clients to remain informed throughout the process.

After submission, our team continues to monitor the progress of your application and manage any communication with the Home Office. If further information is requested, we will assist in responding promptly and appropriately.

We will also keep you updated at key stages and remain available to answer any questions you may have along the way.

Decision & Next Steps

When a decision is received, we will discuss the outcome with you and explain the next steps clearly.

If your application is successful, we can advise on your future immigration options, whether this involves visa extensions, applying for Indefinite Leave to Remain, or progressing towards British citizenship.

If the Home Office refuses your application, our solicitors can advise on the available options, including Administrative Review, appeals, or alternative immigration routes where appropriate.

Supporting You Throughout Your Immigration Journey

For many clients, immigration is not a single application but a longer journey that may involve several stages, from obtaining an initial visa to securing settlement and eventually citizenship.

At OTS Solicitors, we take a long-term, strategic approach to immigration advice. Our goal is not only to assist with your current application but also to support your future plans in the UK.

If you would like to discuss your immigration matter with an experienced solicitor, contact our team today. We will be happy to assess your situation and explain how we can help you move forward.

Our UK immigration advice fees

Affordability is important to our team as we believe our high quality immigration advice services should be open to everyone. We have a strong focus on efficiency, allowing us to keep our costs to a minimum, while never compromising on the service we provide. All of our immigration services are handled on a fixed fee basis, helping you to manage the costs involved in your case.

We will be happy to clearly explain our fees and the likely costs involved in dealing with your requirements during your initial consultation with our team.

Contact our London office for a consultation

To discuss your immigration requirements, we can talk with you at our offices, over the phone or online via Web Conferencing such as Zoom, Microsoft Teams, Cisco WebEx or Skype.

To speak to our leading immigration lawyers in London, please call now on 0203 959 9123 or use our simple online enquiries form.

Your Questions and our answers about Immigration

How much does an immigration lawyer cost in the UK?

The cost of an immigration lawyer in the UK varies depending on case complexity, type of visa, and level of support required. At OTS Solicitors, we offer transparent pricing, providing clear fixed-fee estimates upfront.

Factors affecting costs include the number of family members, documentation required, potential appeals, and whether representation at hearings is needed. Our approach ensures you know what to expect and avoid hidden fees.

What is indefinite leave to remain (ILR)?

Indefinite Leave to Remain (ILR) is a form of permanent settlement in the UK, allowing you to live and work without immigration restrictions. Typically, applicants qualify after five years of lawful residence, though certain routes may differ.

ILR provides long-term stability, access to public services, and eligibility to apply for British citizenship. OTS Solicitors guides you through eligibility, documentation, and application to maximise your chances of success.

How long does a UK Spouse Visa application take?

A UK Spouse Visa application usually takes 12–24 weeks for standard processing, depending on the applicant’s location and case complexity. Priority and super priority services are available for faster decisions.

At OTS Solicitors, we prepare applications carefully to reduce delays, ensure compliance with Home Office requirements, and keep clients informed throughout the process.

What are the requirements for British citizenship?

To apply for British citizenship, you must meet residency requirements, demonstrate good character, pass the Life in the UK Test, and meet English language standards. Other considerations include absence limits and previous immigration history.

We provide tailored guidance, reviewing eligibility, preparing documentation, and ensuring applications are complete and accurately presented to maximise approval chances.

Do I need a solicitor for a UK visa application?

UK visa applications can be complex, with detailed Home Office requirements and strict evidential standards. While some applications may appear straightforward, many refusals arise from small errors, missing documents, or misunderstandings of the rules.

Seeking professional guidance provides reassurance that your application is accurate, compliant, and properly supported. A solicitor can help identify potential issues early, present your case clearly, and guide you through the process with confidence.

Our aim is to make the process as smooth as possible, helping you avoid unnecessary delays and giving your application the strongest possible chance of success.

What is a Sponsor Licence and how do I get one?

A Sponsor Licence allows UK employers to hire overseas workers under the Points Based System. To obtain one, businesses must meet Home Office requirements, including record-keeping, HR compliance, and genuine job offers.

Our solicitors advise employers throughout the process, from licence application to audits and renewals, ensuring full compliance and minimising the risk of penalties.

How do I appeal a UK visa refusal?

You can challenge a UK visa refusal through Administrative Review, an appeal, or judicial review, depending on your case. Administrative Review corrects errors, while appeals may be submitted to tribunals.

Judicial review addresses unlawful decision-making by the Home Office. Our specialist solicitors can assess the best route, prepare your submission, and represent you to maximise the chance of overturning your refusal.

What is the minimum salary for a Skilled Worker Visa?

The minimum salary for a Skilled Worker Visa depends on the role, occupation code, and the applicant's individual circumstances. In most cases, the general threshold is currently £41,700 per year, or the "going rate" for the specific role, whichever is higher.

There are exceptions where lower salary thresholds may apply, such as for new entrants, certain health or education roles, or positions listed on the Immigration Salary List. However, these rules are detailed and must be applied correctly to avoid refusal.

As requirements can vary and are subject to change, it is important to ensure the salary package meets the relevant Home Office criteria. We can assess your situation and guide you through the process to ensure your application is compliant and properly supported.

Can I get free immigration advice in the UK?

Free immigration advice may be available in limited circumstances through legal aid providers, or charitable organisations. However, availability is often restricted, and the level of support can be limited depending on the complexity of your case.

Immigration matters frequently involve detailed legal and evidential requirements, where tailored advice and careful preparation are essential. Working with a solicitor ensures your case is properly assessed, clearly presented, and fully compliant with Home Office rules.

We offer structured consultations to provide clear, practical advice on your specific situation and the best way forward.

How long does it take to get indefinite leave to remain?

Processing for Indefinite Leave to Remain (ILR) typically takes 6–9 months, though times vary depending on the route and case complexity. Super priority services can reduce the decision to a matter of days.

We prepare applications thoroughly to meet Home Office requirements and advise on strategies to minimise delays and maximise approval likelihood.

Discuss your case with our immigration team

To discuss your immigration requirements, we can talk with you at our offices, over the phone or online via Web Conferencing such as Zoom and Microsoft Teams.

To speak to our leading immigration lawyers in London, please call now on 0203 959 9123 or use our simple online enquiries form.