Tri Marine's Thailand office rolled out ELSA Business across seven departments, and learners' average ELSA Proficiency Score rose from 57 to 65.
The programme review covers about nine and a half months from 2025 to 2026. In that period, every licensed learner activated an ELSA account, and 64% of learners moved up at least one CEFR level.
Tri Marine Group, part of Bolton Group International, is one of the world's largest global traders and suppliers of tuna raw materials and products. It trades over 10% of the global tuna catch across fishing, processing and distribution.
Tri Marine and ELSA Business at a glance
| Item | Detail |
|---|---|
| Customer | Tri Marine Group, part of Bolton Group International |
| Industry | Fishery: global trading and supply of tuna raw materials and products |
| Location | Thailand office |
| Teams | 7 departments, including quality sourcing, logistics and documentation, and operations |
| Product | ELSA Business |
| How progress was measured | ELSA Proficiency Score (EPS), with CEFR levels mapped from EPS ranges |
Why did Tri Marine's Thailand team need stronger spoken English?
Tri Marine's teams use English for international sourcing, supplier coordination and buyer communication across a global tuna supply chain.
That work runs through quality sourcing, logistics, documentation and operations. Employees in these teams needed consistent, practical English to work confidently across departments and cultures.
How did Tri Marine roll out ELSA Business across seven departments?
Tri Marine rolled out ELSA Business in all seven departments of its Thailand office, and each learner followed a personalised learning path.
Each path was measured against the ELSA Pentagon: pronunciation, intonation, fluency, grammar and vocabulary. Progress was tracked with the ELSA Proficiency Score (EPS), which measures English proficiency based on speaking performance across those five areas.
Did Tri Marine's employees actually use ELSA?
Yes. All licensed learners created an ELSA account and logged real practice, which is a 100% activation rate.
- Weekly practice: learners averaged 53 minutes of practice a week, above ELSA's benchmark of 30 minutes a week.
- Total practice: learners logged 588.8 hours of practice over the programme.
How much did Tri Marine's English improve, and how was it measured?
Tri Marine's average EPS rose 8 points, from 57 to 65, moving the group from Intermediate to Upper-Intermediate on ELSA's scale.
On that scale, an EPS of 50 to 63 maps to CEFR level B1 and 63 to 77 maps to B2. 64% of learners moved up at least one CEFR level: 36% moved up one level and 27% moved up two or more.
The biggest shifts came in the middle of the group. The number of learners at A2 fell from 8 to 0, and the number at B2 rose from 9 to 19.
| Measure | Start | At point of reporting |
|---|---|---|
| Average EPS | 57 (Intermediate, B1) | 65 (Upper-Intermediate, B2) |
| Learners at CEFR A2 | 8 | 0 |
| Learners at CEFR B2 | 9 | 19 |
| Learners who moved up at least one CEFR level | Not applicable | 64% |
Source: Tri Marine and ELSA programme review, 2025–2026.
Which speaking skills improved most at Tri Marine?
Intonation and pronunciation improved most: intonation rose from 53% to 76%, and pronunciation from 56% to 70%.
| Skill | Start | End | Change |
|---|---|---|---|
| Intonation | 53% | 76% | +23 points |
| Pronunciation | 56% | 70% | +14 points |
| Grammar | 54% | 61% | +7 points |
Source: Tri Marine and ELSA programme review, 2025–2026.
What does Tri Marine say about ELSA?
"ELSA has made English communication less intimidating for our team, fostering better collaboration across different teams and cultures."
Claire Theeraporn Kaewkhamsaeng, Office Manager, Tri Marine
Frequently asked questions
What English training did Tri Marine use for its team in Thailand?
Tri Marine used ELSA Business across seven departments in its Thailand office. Each learner followed a personalised learning path measured against the ELSA Pentagon: pronunciation, intonation, fluency, grammar and vocabulary. Every licensed learner activated an account and logged real practice.
How long does Tri Marine's programme review cover?
The programme review covers about nine and a half months, from 2025 to 2026. In that period, learners logged 588.8 hours of practice and averaged 53 minutes a week. The group's average ELSA Proficiency Score rose from 57 to 65, and 64% of learners moved up at least one CEFR level.
Which Tri Marine departments took part?
Seven departments in Tri Marine's Thailand office took part, including quality sourcing, logistics and documentation, and operations. These teams use English for international sourcing, supplier coordination and buyer communication across a global tuna supply chain. Every licensed learner in these departments activated an ELSA account and logged real practice.
What is the ELSA Proficiency Score?
The ELSA Proficiency Score (EPS) measures English proficiency based on speaking performance across five areas: pronunciation, intonation, fluency, grammar and vocabulary. ELSA maps EPS ranges to CEFR levels. For example, 50 to 63 maps to B1 and 63 to 77 maps to B2. Tri Marine's average moved from 57 to 65.
How many Tri Marine learners moved up two or more CEFR levels?
27% of Tri Marine's learners moved up two or more CEFR levels, and another 36% moved up one level. In total, 64% of learners moved up at least one level. The number of learners at A2 fell from 8 to 0, and the number at B2 rose from 9 to 19.
