--- title: "ADLER & ALLAN LIMITED — Ownership Dossier" canonical: https://whiteintel.dev/entity/0fa5ed98-e21b-546d-9815-957a0c387efa json: https://whiteintel.dev/api/public/dossier/0fa5ed98-e21b-546d-9815-957a0c387efa identifier: oo:GB-COH-00318460 jurisdiction: GB risk: Low source: WhiteIntel corporate-ownership graph --- # ADLER & ALLAN LIMITED **Type:** Company **Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb) **Identifier:** `oo:GB-COH-00318460` **Risk level:** Low **Canonical dossier:** https://whiteintel.dev/entity/0fa5ed98-e21b-546d-9815-957a0c387efa **Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0fa5ed98-e21b-546d-9815-957a0c387efa ## Cross-source identity The same real-world entity, resolved across sources: - **ADLER & ALLAN LIMITED** — GLEIF · `lei:213800D25K51DUVNPL42` — https://whiteintel.dev/entity/c3b45f4e-fa9b-56bb-af1c-138f99548e48 ## Ownership & control ### Owners / controllers - **ADLER & ALLAN HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/0bf74452-84d4-5f3c-9dab-c67ff52581c9 - **TET BIDCO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/651e9c17-45b4-53b8-b50f-041bba626f78 - **ADLER & ALLAN HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/0bf74452-84d4-5f3c-9dab-c67ff52581c9 - **TET BIDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/651e9c17-45b4-53b8-b50f-041bba626f78 ### Holdings / subsidiaries - **ONELINE SURVEYS LTD.** (beneficial owner) — 100% — https://whiteintel.dev/entity/b71ad4ae-2097-52e3-9d95-f7967c0c4f13 - **PSS UTILITIES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/2a48235b-937f-56b6-8afd-0cc02a8d76fd - **E & S ENVIRONMENTAL SERVICES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/fec5ff6f-554b-5072-929a-c9a9ac6d5ddb - **QEMS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/6d0e04b0-8ba4-54dd-b576-bda81caba8e1 - **PUBLIC SEWER SERVICES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/aacad80f-7a58-542c-9368-c1f302b44d98 - **OHES ENVIRONMENTAL LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/6e773a0a-c510-5faa-9a3a-99f62718ef18 - **MEL (HOLDINGS) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/b2d7d251-a8e9-5db0-9ab6-dd58498a0ba3 - **DETECTRONIC LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/e365b04c-af80-5bde-b940-523fa893d3ab - **ALKER HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/dc8e26c2-228d-5f50-ad87-6817b0dee304 - **DETECTRONIC HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/3e98db00-e000-5248-91a2-7f66cf540215 - **E & S HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/69d134f5-a956-5227-b381-9b0ae011e575 - **JET AIRE (DC) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/8e1e8c72-6254-529f-a159-e8205f48ea87 - **AQUA CONSULTANTS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/c5e94bc3-22eb-5015-a86f-b6f40fe6367b - **PUBLIC SEWER SERVICES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/aacad80f-7a58-542c-9368-c1f302b44d98 - **QEMS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/6d0e04b0-8ba4-54dd-b576-bda81caba8e1 - **FLOTECH PERFORMANCE SYSTEMS LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/7fa5bad8-eada-5cb1-a855-9d96f931e191 - **E & S HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/69d134f5-a956-5227-b381-9b0ae011e575 - **DETECTRONIC LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e365b04c-af80-5bde-b940-523fa893d3ab - **AQUA CONSULTANTS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c5e94bc3-22eb-5015-a86f-b6f40fe6367b - **E & S ENVIRONMENTAL SERVICES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/fec5ff6f-554b-5072-929a-c9a9ac6d5ddb - **UTILITY LINE LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/daa73d1c-73a0-51b3-bdb6-9b35e1eaa38d - **THISTLE ENVIRONMENTAL LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ef548049-56eb-59a8-a4d3-c0761c5c00b3 - **MEL (HOLDINGS) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b2d7d251-a8e9-5db0-9ab6-dd58498a0ba3 - **PSS UTILITIES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/2a48235b-937f-56b6-8afd-0cc02a8d76fd - **GLANVILLE HOLDINGS GC LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/aa3eec37-3bb7-4ddd-a268-2f79f08e4f22 - **R.E.S. ENVIRONMENTAL HOLDINGS LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e6692134-0744-5280-bec5-17afaf84512d - **ENVIRONMENTAL & ENGINEERING GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/067b4eb7-12e4-54e8-890d-0dc2fcf9a377 - **ECOSUPPORT LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1adec77a-fbf6-52d1-8586-a377ce480352 - **ONELINE SURVEYS LTD.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b71ad4ae-2097-52e3-9d95-f7967c0c4f13 - **VERTASE F.L.I. LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/23589ae6-99c0-40f3-b303-53e05dc17a96 - **DETECTRONIC HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3e98db00-e000-5248-91a2-7f66cf540215 - **OHES ENVIRONMENTAL LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/6e773a0a-c510-5faa-9a3a-99f62718ef18 - **ALKER HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/dc8e26c2-228d-5f50-ad87-6817b0dee304 ### UBO chain (walk to the ultimate owner) A **52-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing. ## Company profile (live · UK Companies House) - **Company number:** `00318460` - **Status:** active - **Type:** ltd - **Incorporated:** 1936-09-14 - **Registered office:** 80 Station Parade, Harrogate, North Yorkshire, HG1 1HQ - **SIC:** 46120 ### Officers - BLAKEY, Anne Helen — secretary · appointed 2025-02-04 - BOYLE, Andrew Iain — director · British · appointed 2022-01-04 - CLAY, Jason Christopher — director · British · appointed 2026-01-05 - MOWAT, Andrew Francis — director · British · appointed 2026-01-05 - PEDERSEN, Henrik Vorgod — director · Danish · appointed 2021-09-30 - CALVERT, Hazel Anne — secretary · British · appointed 2003-01-10 · resigned 2003-01-21 - CALVERT, Mark — secretary · British · appointed 2012-03-01 · resigned 2018-04-10 - CALVERT, Mark Richard, Mr. — secretary · British · appointed 2008-09-30 · resigned 2009-03-26 - CALVERT, Mark Richard — secretary · British · appointed 2004-06-24 · resigned 2007-09-11 - CALVERT, Nicola — secretary · British · appointed 1997-02-06 · resigned 2003-01-10 - FORESTIERO, Antonio Paolo — secretary · Italian · resigned 1997-02-06 - GIBSON, Geoff — secretary · British · appointed 2009-03-26 · resigned 2012-03-01 - SZCZEPANSKI, Jan — secretary · British · appointed 2003-01-21 · resigned 2004-06-24 - WILTON, David Charles — secretary · British · appointed 2007-09-01 · resigned 2008-09-30 - ALLAN, James Nicholas — director · British · appointed 1994-12-14 · resigned 2007-06-01 - CALVERT, Hazel Anne — director · British · resigned 2007-06-14 - CALVERT, John Richard — director · British · resigned 1993-10-07 - CALVERT, Mark Richard, Mr. — director · British · appointed 1993-06-28 · resigned 2018-02-20 - CLARKE, Andrew — director · British · appointed 2014-11-14 · resigned 2018-11-19 - COLLIER, James Philip — director · British · appointed 2014-11-14 · resigned 2018-02-20 ### Beneficial owners (Persons with Significant Control) - [Tet Bidco Limited](https://whiteintel.dev/entity/651e9c17-45b4-53b8-b50f-041bba626f78) — 75–100% shares · corporate PSC · England — since 2024-05-30 - [Adler & Allan Holdings Limited](https://whiteintel.dev/entity/0bf74452-84d4-5f3c-9dab-c67ff52581c9) — 75–100% shares · corporate PSC · England — ceased 2024-05-30 ## Provenance - OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/00318460 - companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/00318460 --- _This is the markdown-for-agents view of the WhiteIntel dossier for **ADLER & ALLAN LIMITED**. Human view: https://whiteintel.dev/entity/0fa5ed98-e21b-546d-9815-957a0c387efa · Structured JSON: https://whiteintel.dev/api/public/dossier/0fa5ed98-e21b-546d-9815-957a0c387efa._ _Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._