UK government contractors who donate to UK political parties

23 companies appear on both the gov.uk contracts register and the Electoral Commission donations register under the same name. Between them they hold £322,599,402 in declared public-sector contracts and have given £3,166,372in declared political donations. The list is dominated by the Big Four professional-services firms — PwC, KPMG, Deloitte and EY — followed by Microsoft, SSE, Randox (the Covid PCR processor) and a handful of others. Match rule is conservative: exact case-insensitive name. Subsidiaries, trading names and rebrands are missed.

Matched companies · ranked by political donations

#	Company	Contracts	Contract value	Donations	Political giving
1	PricewaterhouseCoopers LLP	13	£35,302,114	39	£1,166,049
2	KPMG LLP	21	£35,718,207	54	£901,874
3	Deloitte LLP	19	£47,917,680	5	£326,377
4	Ernst & Young LLP	25	£1,100,200	12	£213,571
5	Multitone Electronics Plc	20	£603,411	4	£145,000
6	Public Digital Limited	3	£0	2	£70,408
7	Microsoft Ltd	4	£1,347,052	4	£66,900
8	Microsoft Limited	17	£7,290,403	2	£48,961
9	SSE PLC	7	£85,440,987	2	£48,200
10	Grant Thornton UK LLP	3	£0	7	£40,908
11	Randox Laboratories Ltd	8	£5,961,900	4	£30,600
12	ASDA Stores Limited	10	£0	2	£27,411
13	Sunbelt Rentals Limited	32	£5,876,718	1	£15,000
14	University of Essex	2	£143,462	3	£14,725
15	Octopus Energy Limited	4	£0	1	£12,000
16	BMG Research Ltd	8	£2,755,368	1	£9,995
17	Network Rail Infrastructure Ltd	16	£79,200,000	1	£5,875
18	ASDA Stores Ltd	16	£43,052	1	£5,017
19	Calor Gas Limited	7	£350,000	1	£5,000
20	Smith and Byford Limited	2	£4,500,000	1	£5,000
21	Steffco Limited	3	£360,000	1	£2,500
22	Total Reclaims Demolition Limited	4	£168,848	1	£2,500
23	Barclays Bank PLC	19	£8,520,000	1	£2,500

What this list isn’t.A company appearing on both registers does not mean its contracts were obtained as a result of its donations. UK procurement law forbids that linkage and every contract here was awarded through a formal procurement process. What the list does show is the small number of firms that are simultaneously public-sector suppliers and political donors. The Big Four together have given over £2.5 million in declared political donations while holding over £120 million in declared public-sector work; that overlap is the kind of dual-role pattern the public has a clear interest in seeing in one place.

Sources: gov.uk Contracts Finder + Electoral Commission donations register. Match rule: exact case-insensitive whitespace-normalised supplier name = donor name. Synced weekly.