# South Korea Korea: Professional, scientific and technical services (BOK ECOS)

South Korea Korea: Professional, scientific and technical services (BOK ECOS) was up 6.2% year on year in Q2 2026, compared with 5.1% in Q1 2026.
The level stood at 32,062 ₩ billion.
That is the highest reading since Q1 2024.
Over the past ten years it has ranged from −0.5% (Q2 2025) to 13.2% (Q2 2021), averaging 6.5%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.GDP.Q.NOM.ITEM-111501`
- Frequency: quarterly
- Units: ₩ billion
- Coverage: 2016-01-01 to 2026-04-01 (42 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-professional-scientific-and-technical-services-bok-ecos-nominal

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| Q2 2026 | 32,062 ₩ billion | 6.2 |
| Q1 2026 | 31,590 ₩ billion | 5.1 |
| Q4 2025 | 31,025 ₩ billion | 3.0 |
| Q3 2025 | 31,539 ₩ billion | 3.6 |
| Q2 2025 | 30,200 ₩ billion | −0.5 |
| Q1 2025 | 30,057 ₩ billion | −0.3 |
| Q4 2024 | 30,122 ₩ billion | 0.4 |
| Q3 2024 | 30,437 ₩ billion | 1.9 |
| Q2 2024 | 30,349 ₩ billion | 3.5 |
| Q1 2024 | 30,157 ₩ billion | 6.4 |
| Q4 2023 | 30,007 ₩ billion | 11.0 |
| Q3 2023 | 29,870 ₩ billion | 12.5 |
| Q2 2023 | 29,330 ₩ billion | 9.9 |
| Q1 2023 | 28,340 ₩ billion | 9.4 |
| Q4 2022 | 27,026 ₩ billion | 6.1 |
| Q3 2022 | 26,540 ₩ billion | 7.7 |
| Q2 2022 | 26,680 ₩ billion | 8.7 |
| Q1 2022 | 25,915 ₩ billion | 8.2 |
| Q4 2021 | 25,482 ₩ billion | 9.3 |
| Q3 2021 | 24,632 ₩ billion | 9.8 |
| Q2 2021 | 24,536 ₩ billion | 13.2 |
| Q1 2021 | 23,958 ₩ billion | 9.9 |
| Q4 2020 | 23,317 ₩ billion | 7.9 |
| Q3 2020 | 22,440 ₩ billion | 6.6 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.GDP.Q.NOM.ITEM-111501"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.GDP.Q.NOM.ITEM-111501",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```