Britain moved on Monday to tighten its sanctions regime against Russia, doubling the maximum financial penalty for sanctions breaches and issuing its first-ever nationwide industry alert targeting a Kremlin-backed network accused of helping Moscow move money through offshore channels. The announcement was made by Chancellor John Healey while he attended his first G20 meeting as finance minister, held this year in North Carolina.
Healey framed the measures as part of a wider push to squeeze the financial infrastructure sustaining Russia's war economy, saying the UK is ramping up economic pressure on Moscow and "leaving those aiding his illegal war with nowhere to hide." He called on allies to deepen international cooperation to expose sanctions evasion and disrupt the networks funding Russia's aggression, adding that Britain's commitment to Ukraine remains unshakeable.
The A7 Network and Its $86 Billion Footprint
At the centre of Monday's alert is a financial structure known as A7, which UK authorities describe as Kremlin-backed and, according to some reporting, connected to Iranian state-associated actors as well. Officials say the network relies on financial institutions in third countries, digital-asset platforms and multilayered corporate structures to route cross-border payments, finance procurement and gain backdoor access to the international banking system despite sanctions. According to the UK government, A7 claims to have settled more than $86 billion in transactions within its first year of operation alone.
The alert, issued jointly by HM Treasury, the National Crime Agency and the National Economic Crime Centre, is aimed at banks, payment providers, crypto firms and other private-sector businesses, directing them to scrutinise counterparties, intermediary wallets and cross-border infrastructure that could expose them indirectly to sanctioned activity, even where no direct counterparty is on a sanctions list.
Tougher Penalties for Sanctions Breaches
Alongside the alert, Healey confirmed the UK will double the maximum fine available to the Office of Financial Sanctions Implementation, the body responsible for civil enforcement of financial sanctions, from 50% to 100% of the value of a breach. In practice, the change raises OFSI's maximum penalty from the greater of £1 million or 50% of a breach's value to the greater of £2 million or the full value of the breach. Officials said the increase is intended to strengthen the deterrent effect of the UK's sanctions regime and push firms toward stronger compliance.
Part of a Broader Crackdown
Monday's action builds on a series of earlier UK moves against Russian sanctions evasion. In May, Britain targeted Russia-linked cryptocurrency platforms, banks and financial networks, freezing their assets and barring UK firms from processing payments for them or maintaining correspondent banking relationships. Earlier this month, the UK also announced new sanctions against Russian ships, banks and industrial companies. A separate, earlier initiative known as Operation Destabilise has led to 128 arrests and the seizure of $32.6 million in cash and cryptocurrency, and has reportedly surfaced possible links between Russian money-laundering networks, a stablecoin called A7A5 and a bank acquisition in Kyrgyzstan.
Rachael Herbert, director of the National Economic Crime Centre at the National Crime Agency, said the agency remains "committed to targeting the nexus between organised crime and sanctions evasion," underscoring officials' view that sanctions-busting networks increasingly overlap with organised financial crime.
Moscow's Response
The Russian Embassy in London dismissed the measures as a continuation of what it called Britain's policy of illegal unilateral sanctions, arguing they would not change Moscow's course and instead destabilise international trade and financial stability, harming the economies of the countries that impose them. The embassy said Russia would continue to defend its interests and economic actors through lawful means.






