How to Improve Business English for International Remote Jobs

This matters because recruiters rarely reject a Nigerian applicant for bad grammar. More often it's a cover email that opens with "I humbly write to apply", an assessment answer that is three times too long, or a video screen where the point arrives after two minutes. This guide covers how job ads describe English requirements, how to check your level for free, which local phrases to swap out, an eight-week plan that doesn't use much data, and how to show your level when you apply.

Quick answer

To improve business English for remote jobs, take the free EF SET test to find your CEFR level. Practise real work tasks every day: three-line chat updates, short emails, two-minute spoken summaries and recorded video answers. Replace Nigerian office phrases like "kindly revert" with plain international English. Get feedback from someone who works with foreign teams. Most remote employers judge your English from your application, assessments and interviews, not from a paid certificate.

What "business English" means in a remote job ad

Business English is the English people use to get work done with colleagues and customers. It covers giving updates, asking for decisions, flagging problems, running meetings and writing to clients. In style it is plainer, shorter and more direct than the formal English many of us learnt for letters and exams.

Remote job ads rarely use the term "business English". They describe what the job needs, and the wording tells you what will be tested. Two live ads we opened in October 2026 show the range:

• A remote Senior Software Engineer ad from GiveDirectly on Greenhouse says simply "You are fluent in English". It also expects meetings across East Africa Time and US Eastern Time. The ad limits applicants to countries where the organisation can hire and names Kenya. It does not name Nigeria, so don't read it as open to Nigerian applicants.
• A Virtual Assistant ad posted by Hire Overseas on Remotive asks for "Excellent written English with a strong feel for natural US iMessage-style texting language". It also asks for a 1 to 2 minute Loom video introduction. That ad is restricted to South Africa, but the requirement is typical: correct English alone is not enough. The tone has to suit the channel and the customer.

Here is how common phrases in job ads translate into what you'll actually be judged on:

Eligibility and requirements change. Always read the live ad before you apply.

Why fluent Nigerian speakers still get marked down

Nigerian English is a real and valid variety of English. The aim is not to sound foreign. It is to be understood quickly by a colleague in Berlin, Toronto or Manila who reads your message on a phone between meetings.

Applicants usually lose marks in five places:

• Register. Nigerian office writing is often formal and ceremonial ("I trust this mail meets you well", "I humbly wish to bring to your notice"). International teams read that as slow or stiff.
• Length. Answers that build up to the point instead of starting with it. Remote teams skim.
• Honorifics. "Sir" and "Ma" in every message. Most international tech and startup teams use first names, including for senior managers.
• Local expressions. Words like "revert", "on seat" or "next tomorrow" are normal in Lagos and confusing elsewhere.
• Listening. Struggling with fast American, Irish or Scottish speech on a poor connection, then guessing instead of asking.

Every one of these can be fixed with practice. None of them require you to change your accent.

Check your level first, for free

You can't plan improvement without a baseline. The Common European Framework of Reference for Languages (CEFR) is the scale most English tests use. It runs from A1 (beginner) to C2 (mastery), and B2 and C1 are the levels that matter most for professional work.

The EF SET is free and gives results on the CEFR scale. As of October 2026 there are two versions: a 50-minute test covering reading and listening, and a 90-minute test covering all four skills (reading, listening, writing and speaking). Both come with a free online certificate as a shareable link and a PDF, and EF gives instructions for adding it to LinkedIn. The practice test does not give a certificate.

According to EF's CEFR page, the score bands are:

The table below is our rough working guide, not an official standard. Use it to judge which roles are realistic now:

Some practical points:

• Take the 4-skill test if you can. Remote employers care about writing and speaking far more than grammar multiple-choice. Do it on a stable connection with backup power, because losing the session halfway wastes your time.
• EF's certificate pages don't say whether the tests are proctored or how long results stay valid, so treat the certificate as supporting evidence. Employers often run their own writing or speaking assessment anyway.
• Don't spend money hunting for the Cambridge Business English Certificates (BEC). Cambridge English says these exams have been discontinued in every country except China.
• IELTS is built for study and migration. Unless a remote job ad names it, you don't need to pay for it just to apply.

Replace these Nigerian office expressions

This is the quickest win in the whole guide. Each phrase below is normal at home and can confuse, or quietly irritate, a foreign colleague.

Dates and times need the same care. Nigeria and the UK write 03/11 to mean 3 November, but an American reads it as 11 March. Write "3 November" or "Nov 3" instead. Always give both time zones: "Can we meet at 3pm WAT (9am EST)?"

Nigeria stays on WAT (UTC+1) all year. US Eastern moves to EST on 1 November 2026. From then on, a 9am New York standup is at 3pm in Lagos. In summer it's at 2pm. London is on GMT for the winter, so Lagos is one hour ahead until British clocks go forward again.

Business English in writing: chat, email and async updates

Most remote work happens in writing, and much of it is async (asynchronous): colleagues read your message hours later, often in another time zone. A good message lets them act without replying to ask what you meant.

A simple formula works for nearly every message:

1. Answer or ask first, in one sentence.
2. Add the context they need, in one to three sentences.
3. Say what happens next and by when.

Example (hypothetical), before:

"Good day sir. I trust this mail meets you well. Please I wish to humbly bring to your notice that concerning the client report you sent yesterday, I have been working on it but there are some figures which I am not too sure about so I will like you to kindly revert at your earliest convenience."

Example (hypothetical), after:

"Hi David, two figures in the Acme report don't match the dashboard (rows 14 and 22). Should I use the dashboard numbers? I'll send the final report within an hour of your reply."

The second version is a third of the length. It names the problem, asks a yes/no question and commits to a next step.

For daily async standups, many teams use a three-line format:

• Yesterday: finished the onboarding email sequence.
• Today: QA on the pricing page.
• Blocked: need the new logo files from design.

Our planned guide to improving written communication for remote work covers structure, tone and editing in more depth.

Business English in speaking: meetings, calls and video

Spoken business English is mostly about structure and clarity, not vocabulary. You don't need to change your accent. You need to speak at a steady pace, signpost where you're going and check that you've been understood.

Phrases worth practising until they come out without thinking:

• Opening an update: "Quick update on the migration: we're on track, with one risk."
• Disagreeing politely: "I see it differently. Can I share one concern?"
• Asking for clarification: "Sorry, the line broke up. Could you repeat the last part?"
• Checking understanding: "Just to confirm, you want the draft by Friday, not Monday?"
• Buying time: "Good question. Let me check and come back to you in Slack today."
• Closing: "So the next step is mine: I'll send the summary by 5pm WAT."

Asking someone to repeat themselves is professional. Guessing what a client said and getting it wrong is not.

Listening is the skill Nigerian applicants practise least. American, British, Irish and Indian accents all show up in remote meetings, and many conversations happen at speed. Podcasts and recorded talks at normal speed, without subtitles, are the cheapest training.

Equipment counts as part of your English. A cheap wired headset with a microphone makes you clearer than a laptop mic next to a generator. Use a backup connection, such as a MiFi plus your phone hotspot, so that "Can you hear me?" doesn't take over every call.

Recorded video is now a common early screen, like the Loom introduction in the Hire Overseas ad above. Practise 60 to 90 second answers to "Tell us about yourself" and "Why this role?" on your phone, then watch them back. Our planned guide to one-way video interviews covers the format, and the guide to working well with international colleagues covers etiquette such as small talk and feedback across cultures.

An eight-week practice plan on a small data budget

Thirty to forty-five minutes a day is enough if you practise real tasks rather than grammar drills. The plan below uses free resources that we checked in October 2026.

The British Council LearnEnglish business section lists free resources: a business magazine (B1 to B2), podcasts for professionals (B2), lessons on writing emails at work (A2 to B1) and the "You're Hired" job-hunting video series (B1 to B2).

English for Career Development is a University of Pennsylvania course on Coursera, funded by the US Department of State's Office of English Language Programs. As of October 2026 you can take the full course free without a certificate. It runs to about 4 weeks at around 10 hours a week and covers the US job search, applications and interviews. The paid certificate is optional, and financial aid can be requested.

To save data:

• Download podcast episodes on Wi-Fi and listen offline.
• Read articles in text form rather than watching videos.
• Record practice videos on your phone and review them locally. There's no need to upload them anywhere.

Feedback speeds everything up. Swap recorded answers with a friend who already works for a foreign company, or join a free online speaking group. Ask them one question only: "Where did I lose you?"

How to show your English level when you apply

Employers judge your English mostly from what you send and how you speak, so the application itself is the evidence.

• CV and LinkedIn. List your language as "English: fluent (professional working proficiency)" and, if you have it, add "EF SET C1, [score], [month and year]". Pick British or American spelling to suit the employer's market and stick to it throughout. Our planned guides on adapting your CV for US remote jobs and UK remote jobs explain the differences.
• Cover note or email. Keep it under 200 words, start with the role and your strongest relevant result, and leave out the ceremony.
• Assessments. Many support, writing and operations roles include a written test. The planned guide to passing a remote writing assessment explains what graders look for.
• Interviews. Short answers with the conclusion first come across as fluent. The planned guide to showing communication skills in a remote interview has sample answers. Our interview question guides by role let you rehearse with real questions.

If you want a second pair of eyes, WorkRemote Premium (₦29,999 a month) includes a team member rewriting your CV and LinkedIn profile in the plain international style described here. You can see samples on our CV and LinkedIn review page.

One warning: a real employer may set its own English test, but you should be careful if a "recruiter" says you must pay for a particular English course or certificate before they'll interview you. That's a common scam pattern. Our guide to spotting remote job scams in Nigeria explains what to do.

Mistakes that keep good English speakers out

• Running polished AI text you can't match live. If your application reads like C2 and your interview sounds like B2, the gap itself becomes the red flag. Use AI tools to spot errors, then rewrite in your own words.
• Claiming "native" without evidence. Many Nigerians are native-level speakers. If you write it, make sure your test answers and calls back it up.
• Mixing US and UK spelling in the same CV ("organization" in one line, "organisation" in the next).
• Long answers. In written tests and on video, shorter is almost always better.
• Only practising grammar. Grammar exercises feel productive but rarely fix register, listening or video confidence.
• Ignoring audio quality. A noisy room and a weak mic make clear English sound unclear.

Frequently asked questions

Do I need IELTS to get an international remote job?

Usually not. IELTS is designed for study and migration, and most remote job ads describe the English they need ("fluent", "excellent written English") rather than naming a test. Pay for IELTS only if a specific ad asks for it.

What English level do remote employers expect?

There's no single standard, but our working guide is B2 as a minimum for most remote roles and C1 for customer-facing, sales and writing jobs. Employers rarely state a CEFR level. They assess you through written tasks, video screens and interviews.

Is the EF SET certificate accepted by employers?

It's useful supporting evidence, not a formal requirement. The EF SET is free, maps to CEFR levels and gives you a certificate link you can add to LinkedIn. Employers can still give you their own English assessment, so your live performance matters more.

Should I change my Nigerian accent for remote jobs?

No. Aim for clarity, not a new accent. Speak at a steady pace, open with your main point, use a decent headset, and confirm understanding on calls. Those changes make far more difference than accent.

Should I use British or American English?

Match the employer. Use American spelling and phrasing for US companies and British for UK, Irish and many European teams, and be consistent within a document. Mixing the two looks careless in written tests.

How long does it take to improve business English for remote jobs?

Most fluent speakers see a clear change in their writing within a few weeks of daily practice, because the main fix is register and length rather than new grammar. Listening to fast accents and confidence on video usually take longer. Retest after about eight weeks to check your progress.

Can I use AI tools to improve my English for job applications?

Yes, for checking spelling and grammar and getting suggestions, but rewrite the result in your own voice. Employers compare your written application with how you speak on calls. A big gap between the two hurts more than a few small errors.

Key takeaways

• The gap for most Nigerian applicants is business register and brevity, not basic English.
• Measure your level with the free EF SET 4-skill test, and treat B2 as a floor and C1 as the target for client-facing roles (our guidance, not a universal rule).
• Swap local office expressions like "kindly revert" and "next tomorrow" for plain alternatives, and write dates and time zones in full.
• Practise the real tasks: three-line updates, short emails, spoken summaries and recorded video answers.
• Cambridge BEC is no longer offered outside China, and IELTS is rarely needed for remote jobs, so don't pay for tests an ad doesn't ask for.

Next steps

Take the EF SET this week and note your weakest skill. Then use the eight-week plan alongside your applications rather than waiting until you feel ready. Browse the remote jobs open to applicants in Nigeria and read the language requirement in each ad as part of your preparation. After a search, use "Get email updates" to receive a free daily digest of new matching jobs. If you're still choosing a field, our remote career guides by role show which jobs depend most heavily on written and spoken English.

Sources

• EF SET: Free English test, EF Education First
• EF SET English certificate, EF Education First
• CEFR levels, EF SET
• Business Certificates, Cambridge English
• Business English, British Council LearnEnglish
• English for Career Development, University of Pennsylvania on Coursera
• Senior Software Engineer (Fundraising), GiveDirectly on Greenhouse
• Virtual Assistant, Hire Overseas on Remotive