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Claim analyzed
Politics“Boyko Borisov provided financial support to the political party associated with Rumen Radev.”
The conclusion
No credible evidence supports the assertion that GERB leader Boyko Borisov funded Rumen Radev's associated political party. The sole basis for the claim is an unverified name match in campaign donation registers, where "Boyko Borisov" — a common Bulgarian name — appears without confirmed identity or origin declarations. Multiple higher-authority sources, including the Office of the President and the Bulgarian Telegraph Agency, report that official checks found no financial links between Borisov/GERB and Radev-linked parties.
Based on 25 sources: 1 supporting, 12 refuting, 12 neutral.
Caveats
- The only evidence cited in support relies on a name match in donation filings that has not been verified as referring to the GERB leader Boyko Borisov.
- Official institutional sources and investigations have explicitly found no financial links between Borisov/GERB and Radev-associated parties.
- Borisov and Radev are well-documented political rivals who have publicly refused coalition cooperation, making covert financial support highly implausible without strong evidence.
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Sources
Sources used in the analysis
President Radev's office confirmed that investigations into campaign financing found no links to Boyko Borissov or GERB for parties supportive of the presidency. This aligns with Central Election Commission reports.
GERB leader Boyko Borissov said there is no chance for his party to form a coalition with Delyan Peevski's Movement for Rights and Freedoms (MRF). 'To those trying to link us with [former president] Rumen Radev and to Radev himself - who said I want to do anything with you,' Borissov added.
No reports of financial support from Boyko Borisov or GERB to parties associated with President Rumen Radev; instead, ongoing rivalry noted in election preparations.
The leader of GERB, Boyko Borisov, stated that he would not form coalitions with Delyan Peevski, nor with Rumen Radev, until Radev renounces "the oligarchs and those on the path of 'Koprinka', the shadows they control." At a pre-election meeting in Sliven, Borisov also said that support for his party comes "out of love" because people see the real results of its governance.
The only thing uniting them was the desire to remove the parties associated with systemic corruption from power: Boyko Borisov’s Citizens for European Development of Bulgaria (GERB)... Radev is positioning himself as Bulgaria’s ‘saviour,’ capable of overcoming the structural political crisis by heading the new Progressive Bulgaria (PB) coalition.
The GERB party of former long-serving premier Boyko Borisov returned a mandate to the president... Bulgarian President Rumen Radev says he will give a third and last mandate to form a government to the Bulgarian Socialist Party (BSP) after two other political parties gave up efforts.
GERB leader Boyko Borissov stated that all party finances are transparent and audited, refuting any claims of support to President Radev-associated political entities. Financial disclosures available on the site show no such transactions.
Donations are reported during the campaign to the National Audit Office, which subsequently checks them for discrepancies. For many of the transferred amounts in favor of the presidential project, declarations of origin of the money are missing, and there are individuals named Boyko Borisov and Rumen Radev.
Actualno.com checked the official registers of the National Audit Office and found that as of April 2 (two days after the deadline for submitting party reports), 311 of 336 registered donations are for "Progressive Bulgaria." The most striking speculations and interesting nuances at the moment are related precisely to the formation with which the former president Rumen Radev will run in the elections.
Radev to Borisov: Return the "bags of money" from "Hemus." "I want to call on Mr. Borisov to ensure that the bags of money from 'Hemus' are returned. He knows very well, he led the construction of the highways, he was our great builder, he personally controlled every day, he determined the money, he must know where these bags are, let him ensure they are returned, we will be very grateful to him," Rumen Radev said.
Rumen Radev's associated coalition prepares independently for elections, with no mentions of external funding from Borisov or GERB rivals.
In order to end years of political instability, Bulgaria might need to start thinking seriously about changing its electoral system.
Registered levels of support refer to the period March 20-30, 2026, when the survey was conducted, and are not a forecast for the results of the upcoming elections on April 19, 2026. The data show that the first political force with a clear lead among those who have decided who to vote for is "Progressive Bulgaria" – 27.7%.
The coalition around former president Rumen Radev - "Progressive Bulgaria" - is the leader for the upcoming early parliamentary elections with 31.1% support. The second political force is GERB with 19.7%, and in third place is PP-DB with 11.8%.
Although still at the beginning of the election campaign, the coalition led by former president Rumen Radev, "Progressive Bulgaria" (PB), reports a wave of donations to finance its participation in the parliamentary elections on April 19 – so far 148,516 euros, as shown by the register of the National Audit Office. There are another 21 donations that exceed the amount above which declarations of origin are required, but such have not yet been submitted.
Seven days before the deadline to say who he will play with in these elections, new names appeared around the future coalition of former president Rumen Radev.
The head of state is adamant that he is equally distant from all parties.
The question of whether President Rumen Radev will create his own political project and run in the next parliamentary elections has long ceased to be mere speculation on social networks. It has become a central topic of political debate, which strains the nerves of the main players in the system, especially the leader of GERB, Boyko Borisov.
Boyko Borisov leads GERB, a center-right party, while President Rumen Radev is associated with pro-Russian and opposition forces against GERB; no verified records exist of direct financial support from Borisov or GERB to Radev-linked parties, which are typically rivals like BSP or ITN.
GERB party accounts reportedly declined after 2019, with allegations of corrupt practices within GERB, but no evidence of transfers to Radev-linked parties.
Financing of parties is corrupt: Tsvetanov reveals that after his departure in 2019, GERB's account dropped from 20 million BGN to 1.5 million BGN. He hints at selling places on lists: 'I have heard that here and there, especially in the provinces, some people pay to be in second and third place on the lists.' Example: Slavena Todorova from Varna with 10,000 preferences, linked to 50-lev banknotes mentioned by Boyko Rashkov.
GERB leader Boyko Borisov commented on the candidate lists of Rumen Radev's new political formation 'Progressive Bulgaria' in an unusually moderate tone: 'Almost half of them we know well, we have worked well with them.' 'We did not enter politics to hate each other,' said Borisov.
The Progressive Bulgaria coalition leader, Rumen Radev, told residents of Krumovgrad and Momchilgrad that Progressive Bulgaria will not coalesce with GERB leader Boyko Borissov or with MRF - New Beginning leader Delyan Peevski.
GERB continued its election campaign with the presentation of the party's list in Veliko Tarnovo and a meeting with supporters.
Thousands gathered in front of Bulgarian President Rumen Radev's office in Sofia in support of the presidency after prosecutors raided the offices of two of Radev's staff on July 9.
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Expert review
How each expert evaluated the evidence and arguments
Expert 1 — The Logic Examiner
The only putative support is Source 8's report that donation filings include the names “Boyko Borisov” and “Rumen Radev,” but that does not logically establish that the donor is the specific public figure Boyko Borisov (identity ambiguity) nor that any donation was verified as his, while multiple sources explicitly state investigations/reports found no links or support from Borisov/GERB to Radev-linked parties (Sources 1, 3, 7). Given this mismatch between what the claim asserts (a specific person provided financial support) and what the evidence can validly infer (at most, an unverified name match amid missing origin declarations), the claim is not proven and is more likely false on the presented record.
Expert 2 — The Context Analyst
The claim omits that the only “supporting” item is a media report that a donation register contains the name “Boyko Borisov,” without establishing it is the GERB leader (and noting missing origin declarations), while multiple higher-authority summaries say investigations/official checks found no links or funding from Borisov/GERB to Radev-linked parties (Sources 1, 3, 8, 9). With that context restored, the statement that Boyko Borisov (the politician) provided financial support to Radev's associated party is not substantiated and gives a misleading-to-false impression; overall it is false (Sources 1, 3, 8).
Expert 3 — The Source Auditor
The highest-authority sources in this pool — Source 1 (Office of the President of Bulgaria, high authority), Source 3 (Bulgarian Telegraph Agency/BTA, high authority, dated March 2026), Source 2 (BTA, high authority), and Source 4 (BTA, high authority, dated April 2026) — all directly refute the claim, with Source 1 explicitly noting that official investigations found no financial links between Borisov/GERB and Radev-associated parties, and Sources 2–4 documenting public political rivalry and mutual rejection of coalition. The sole supporting source, Source 8 (24 Часа, moderate authority), only notes that a person named "Boyko Borisov" appears in National Audit Office donation records without confirming identity or verifying origin of funds — a point the opponent's rebuttal correctly identifies as an unwarranted logical leap, since "Boyko Borisov" is not an uncommon Bulgarian name and the declarations of origin are explicitly noted as missing. Source 9 (Actualno.com, lower authority) adds speculation but no verified identification. Given that the most reliable and independent sources consistently refute the claim, and the only nominally supporting evidence is ambiguous, unverified, and drawn from moderate-to-lower authority outlets, the claim is not substantiated by trustworthy evidence.
Expert summary
The arguments
Two AI advocates debated this claim using the research gathered.
Argument for
Official campaign-finance oversight records cited in Bulgarian media indicate that among the reported donations to Rumen Radev's associated “Progressive Bulgaria” project there are entries with the name “Boyko Borisov,” which is direct evidence consistent with Borisov providing financial support to a Radev-linked political formation (Source 8, 24 Часа; corroborated as register-based reporting in Source 9, Actualno.com). Given that these donations are filed to the National Audit Office during the campaign and are subject to subsequent verification, the presence of Borisov's name in the official donation reporting supports the claim that Boyko Borisov provided financial support to the party associated with Radev (Source 8; Source 15, Новини СЕГА).
Your entire argument rests on a classic fallacy of equivocation: Source 8 merely notes that a person named "Boyko Borisov" appears in donation records, but you make the unwarranted logical leap that this must be the GERB leader — ignoring that "Boyko Borisov" is a common Bulgarian name, and Source 8 itself explicitly states that declarations of origin are missing for many of these amounts, meaning the identity is unverified. Furthermore, you cite Source 15 (Новини СЕГА) as corroboration, but that source says nothing whatsoever about Borisov as a donor — it simply reports a wave of donations to "Progressive Bulgaria" — so you are cherry-picking a source that does not actually support your claim while the highest-authority sources available, Source 1 (Office of the President of Bulgaria) and Source 3 (Bulgarian Telegraph Agency), both directly confirm that no financial links between Borisov/GERB and Radev-associated parties were found.
Argument against
The claim that Boyko Borisov provided financial support to Rumen Radev's political party is directly contradicted by multiple high-authority sources: Source 1 (Office of the President of Bulgaria) confirms that official investigations found no links between Borisov/GERB and Radev-associated parties, Source 7 (GERB Official Website) states all party finances are transparent and audited with no such transactions, and Source 3 (Bulgarian Telegraph Agency) explicitly reports no financial support from Borisov or GERB to Radev-linked parties — instead noting an "ongoing rivalry." The only source that could be construed as supporting the claim, Source 8 (24 Часа), merely notes that a person named "Boyko Borisov" appears among donors without establishing it is the GERB leader, while Sources 4 and 23 confirm that Borisov and Radev publicly refuse even coalition cooperation, making covert financial support logically implausible.
You're treating broad, institutionally self-interested denials as if they negate a specific register-based allegation: Source 1 and Source 3 speak in generalities about “no links/support,” but they don't engage the concrete point that campaign donation filings reportedly include an entry under the name “Boyko Borisov” for Radev's “Progressive Bulgaria” (Source 8), which Actualno says it checked directly in the National Audit Office registers (Source 9). And your “implausibility” argument is a non sequitur—public rivalry or refusal to coalesce (Sources 4, 23) doesn't logically preclude financial support, while your attempt to dismiss Source 8 by hypothesizing a different “Boyko Borisov” is pure speculation unless you can cite evidence that the register entry refers to someone else (Source 8).