Glencar Construction
Contractor delivering the final cold-shell phase of Pure DC’s Brent Cross data centre campus in North London.
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Facts
Source per value- Contractor type What the firm is when it leads a data center job: a general contractor or construction manager, an engineer-constructor that designs and builds under one EPC contract, a design-build specialist focused on advanced-technology facilities, or an electrical contractor that holds the prime contract.
- General contractor 1
- ENR telecom rank # Rank on ENR's 2026 Top 20 Contractors by Sector: Telecommunications, ranked by 2025 revenue. ENR's telecom sector covers data centers, cabling and towers, and ENR credits the data center buildout for the sector's 86.4% growth in 2025.
- Not published
- Telecom/DC revenue 2025 $M 2025 telecommunications-sector revenue in US$ millions as ENR published it in the 2026 Top 20 by Sector table (data centers sit in this sector).
- Not published
- Top 400 rank # Overall rank on ENR's 2026 Top 400 Contractors list (May 25, 2026 issue), ranked by 2025 US and international construction revenue.
- Not published
- Top 400 rank (2025 list) # The firm's rank on the 2025 Top 400 list, as printed beside its 2026 rank. A drop in the number is a climb up the list.
- Not published
- Telecom/DC share % Share of the firm's 2025 Top 400 revenue that came from ENR's telecommunications sector (data centers, cabling, towers), as printed in the Top 400 table.
- Not published
- CM-at-risk share % Share of the firm's 2025 revenue delivered as construction manager at risk, as printed in the ENR Top 400 table.
- Not published
- Total revenue $M Company-wide annual revenue in US$ millions for the year in Revenue year, from the company, its filings or ENR. Non-USD figures are converted at the rate stated in Revenue note.
- Not published
- Revenue year Year (or fiscal year) the total revenue covers.
- Not published
- Revenue note Basis of the total revenue: which entity, fiscal year end, and any currency conversion.
- Not published
- Delivery models Published contracting methods or delivery services. A named project supports that project’s model; company service pages describe broader capabilities. CM-at-risk shares from ENR are company-wide, not data-center-only.
- General contracting (Contractor Alliance with ESG) 2
- Design-build Offers design-build or EPC delivery (one contract for design and construction), per the firm's own pages.
- Not published
- CM at risk Offers construction management at risk (guaranteed maximum price), per the firm's own pages.
- Not published
- Self-perform trades Own-crew or in-house subsidiary capabilities stated by the firm. Company-wide capabilities are not proof they were used on every data center. Unspecified trades remain explicitly unspecified; scope and subsidiary qualifiers are preserved.
- Not published
- Self-performs electrical Performs electrical work with its own crews or an in-house electrical subsidiary, per the firm's own pages.
- Not published
- Markets Regions where the firm builds data centers, from its own office list or project pages: North America, Latin America, Europe, Middle East, APAC.
- Europe 1
- Data center track record The firm's own headline data center claim with its basis kept intact: MW delivered, projects completed or square feet built, and whether it is cumulative, annual or delivered-or-underway.
- West Cold Shell of Pure DC LON01B2, Brent Cross: foundations, utilities, frame, envelope and roof for a 70 MW facility 1
- MW claimed MW The megawatt number in Data center track record, for sorting. Bases differ (delivered, annual, underway); read it with the track record text.
- Not published
- Named data center clients Data center owners, operators or tenants the firm or its client has publicly named on a project. Confidential clients are never inferred.
- Pure DC 1
- Ownership Who owns the firm: its employees (ESOP or employee shareholders), a family or private holders, public shareholders, or a listed parent group.
- Not published
- Employees Headcount as the firm or its parent reports it (whole company, not data center staff).
- Not published
- Headquarters Head office city and country as the firm states it.
- Not published
- Reference project Named data center project. Kept separate from company-wide portfolio claims.
- Pure DC LON01B2 West Cold Shell, Brent Cross, North London, United Kingdom 1
- Reference capacity and basis Published capacity of the reference project, preserving planned, ultimate and phase qualifiers. Not a delivered portfolio total.
- 70 MW LON01B2 facility; source says eventual campus total 90 MW. Glencar’s scope is the shell, not the full energized facility. 1
- Reference project status Status stated by the cited project source; an announcement does not establish completion.
- Piling commenced as of 2026-09-02 1
- Reference completion Published project completion date or forecast, preserving the source’s qualifier.
- Building 2 scheduled Q2 2029 1
- Reference project area Area of the reference project in square metres, as stated by the source.
- Not published
- Reference delivery scope Construction responsibilities described by the project or capability source. Delivery scope does not by itself establish a design-build contract.
- West Cold Shell: foundations, utilities, frame, envelope and roof 1
- Corporate status Published corporate name or structure change, with announcement and effective dates kept distinct.
- Not published
Sources
- Glencar starts piling on final build phase of Pure DC’s Brent Cross campus accessed 2026-11-11
- Glencar: Vantage LHR21 contractor appointment accessed 2026-11-11
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