Practice by city · November 2026
Environment & Sustainability in London: lateral monitor
Lawyers who changed firm in Environment & Sustainability in London over the last 12 months, set against the practice and the city as a whole.
The last 12 months: November 2025 to October 2026
- 33
- Lateral moves, 12 monthsNovember 2025 to October 2026
- +27.6%
- Year on yearSettled 12-month windows
- 39.4%
- Partner share of moves
- 26
- Firms that hired
What the data show
Sartori & Partners data show 33 lateral moves in Environment & Sustainability in London from November 2025 to October 2026, 9.9% of the practice's moves. On settled windows the count went from 29 to 37 (+27.6%), a change inside the noise of the two counts, so we read it as flat.
| Measure | Here | Environment & Sustainability | London | Market |
|---|---|---|---|---|
| Partner share of moves | 39.4% | 32.9% | 29.3% | 27.7% |
| Counsel share of moves (three years) | 8.2% | 15.5% | 8.5% | 12.1% |
| Associate share of moves | 51.5% | 46.4% | 60.4% | 58.5% |
| Moved up a level | 15.2% | 16.8% | 11.5% | 12.9% |
| Changed city (three years) | 15.7% | 21.7% | 17.7% | 21.6% |
| Hired by firms of 1,000+ lawyers | 60.6% | 44.0% | 68.5% | 53.6% |
| Year on year | flat (+27.6%) | flat (+7.1%) | flat (-2.5%) | rose (+9.0%) |
12 months to October 2026 unless the row says three years; a row switches to three years for every column when this page's 12-month value is not published. A dash is a value we do not publish. Flat means a change under 5% or inside the noise of the two counts.
Set against the Environment & Sustainability practice as a whole, the share hired by firms of 1,000+ lawyers stands out most: 60.6% here against 44.0%, above it. Set against all moves in London, the partner share stands out most: 39.4% here against 29.3%, above it. Year on year it moved with the Environment & Sustainability practice as a whole: both flat.
Over the three years to October 2026, 97 lawyers moved in Environment & Sustainability in London, 36 of them partners (37.1%). They joined 50 different firms. 14.4% stepped up a level on the move and 15.7% changed city, against 12.3% and 21.6% across the market over the same three years. 70.7% came from firms with 1,000+ lawyers.
- Partner39.4%
- Associate51.5%
This is a partner market: 39.4% of movers were partners, against 27.7% market-wide. 15.2% of movers stepped up a level when they changed firm, against 12.9% for the market.
- 1,000+ lawyers60.6%
- 400-999 lawyers33.3%
The 12-month firm table is below our naming threshold, so this part reads the three years to October 2026. Lateral hires in Environment & Sustainability in London were spread across 50 firms. The ten firms at the head of the hiring table took 38.1% of arrivals (12.2% market-wide), so hiring here is concentrated. First on the hiring table is TLT, with arrivals in the 6-10 band.
- 1,000+ lawyers70.7%
- 400-999 lawyers12.0%
- under 150 lawyers15.2%
The practice accounts for 2.5% of all lateral moves in London. Over the three years to October 2026, 60.8% of movers came from another firm in London itself.
With volume in Environment & Sustainability in London holding level, a hire depends on a specific reason to move, which a firm has to put in front of the candidate.
Firms by rank and band
Each firm appears as a rank and a band, never an exact count, and only with at least 10 moves in the window.
| Rank | Firm | Moves (band) |
|---|---|---|
| 1 | TLT | 6-10 |
| 2 | Herbert Smith Freehills Kramer | 3-5 |
| 3 | White & Case | 3-5 |
| 4 | Addleshaw Goddard | 3-5 |
| 5 | Stephenson Harwood | 3-5 |
| 6 | Mayer Brown | 3-5 |
| 7 | Mishcon de Reya | 3-5 |
| 8 | Norton Rose Fulbright | 3-5 |
| 9 | Gowling WLG | 3-5 |
| 10 | Paul Hastings | 3-5 |
Deals in Environment & Sustainability in London
Sartori & Partners data count 46 over the three years to October 2026.
Paul Hastings ranks first among advising firms over the period, in the 6-10 band.
| Rank | Firm | Deals (band) |
|---|---|---|
| 1 | Paul Hastings | 6-10 |
| 2 | Mishcon de Reya | 6-10 |
| 3 | Slaughter and May | 6-10 |
| 4 | DLA Piper | 3-5 |
| 5 | Gowling WLG | 3-5 |
| 6 | A&O Shearman | 3-5 |
Time to partner in Environment & Sustainability in London
38 lawyers were promoted to partner in Environment & Sustainability in London over five years, according to Sartori & Partners data.
The median time from first year of practice to partner is 12.0 years, with the middle half between 10.0 years and 15.5 years, against a market median of 10.0 years. 60.9% made partner within 12 years.
These figures rest on 23 promotions.
Specialities in Environment & Sustainability in London
Over the three years to October 2026, ESG & Sustainability was involved in 34.0% of moves in Environment & Sustainability in London.
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Environment & Sustainability in other cities
Hiring in this market
Edition November 2026. Window: November 2025 to October 2026. Source: Sartori & Partners, from public law-firm announcements, firm websites and professional profiles, checked monthly. Methodology. Spot an error? [email protected].
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