New lobbying crackdown looms as UK tightens influence rules

Mace | 27th September 2025 | In-House Public Affairs
ChatGPT Image Sep 27, 2025, 11_33_56 AM

The UK is poised to overhaul lobbying regulations by widening definitions, boosting disclosures, and introducing stronger enforcement. A newly proposed Ethics and Integrity Commission would sit alongside increased reporting of communications and interactions. The changes aim to rein in influence operations that currently escape oversight.

In London the public affairs world is bracing as a fresh agenda threatens to upend how lobbying is conducted and regulated. A recent Politico “Throwing the Book at Lobbyists” newsletter lays out an incoming push for tougher rules, spearheaded by Philip Hammond’s new role in the industry. The measures would mark a turning point in the long‑running debate over transparency, access, and accountability in British politics. The proposed regime would expand the scope of who counts as a lobbyist and require more detailed disclosure of client lists, funding sources, contacts and influence campaigns. Current registries capture only a narrow slice of consultant lobbying, and many political influence activities remain in the shadows. The drive for overhaul appears intended to address those loopholes. The UK has after all been criticised for weak lobbying regulation that leaves much activity outside public view. One central component is a new Ethics and Integrity Commission intended to enforce rul...

Subscribe to The Mace

Join the member community shaping British politics and stay ahead of what's really happening in the world of politics and public affairs, with expert analysis, breaking news, and insider insights from Westminster and Brussels. The Mace is the leading news source and resource for the government affairs industry, offering required reading and lobby intelligence for professionals.

To see what you are missing out on by not subscribing to The Mace, click here to download our full membership info-pack. This includes having no paywall on op-ed content or profiles/interviews, allowing professional profiles to be read with maximum impact and visibility by government, special advisers, MPs, peers, civil servants, and policy and political decision-makers.



Leader in UK Public Affairs: Konrad Shek, Public Policy & Regulation Director, Advertising Association, “I prefer strategy to performance, substance to theatre”

Mace | August 7, 2026

Konrad Shek discusses his proudest achievement of building the Advertising Association’s credibility and influence in media literacy policy.

Leader in UK Public Affairs: Robert Forrester, Chief Executive, Vertu Motors plc, “Leaders need to cast a vision and hold people accountable”

Mace | August 6, 2026

Robert Forrester reflects on his achievement in helping to found a company 20 years ago that now generates £5bn in revenue and employs more than 7,500 people.

Leader in Public Affairs: David Sheen, Public Affairs Director, UKHospitality, “Take a risk, offer innovative solutions”

Mace | August 5, 2026

David Sheen pushes back against common perceptions about public affairs, but argues instead that it is about hard work, marshalling arguments, and building coalitions.

Leader in Public Affairs: Signe Norberg, Director of Policy and Public Affairs, ISEP, “Human relationships remain critical, AI needs careful application”

Mace | August 4, 2026

Signe Norberg reflects on her leadership philosophies, encouraging people to 'lead with humanity'

Leader in Public Affairs: Grace Pritchard, Downing Street Director of News and the Prime Minister’s Political Spokesperson

Mace | August 3, 2026

After heading the Makerfield by-election comms team, Grace Pritchard was singled out by Andy Burnham as being a key part of his northern campaign team. The self-styled 'Yorkshire

Leader in Public Affairs: Zak Viney, Campaigns and Public Affairs Coordinator, Living Streets, “Politics starts locally on the doorstep”

Mace | August 3, 2026

Living Streets’ Zak Viney speaks to The Mace about moving from engineering into advocacy, making the case for walkable streets across political divides and securing practical progress on

Leader in Public Affairs: Zara Harrington, Head of Public Affairs, Diageo – “Luck is when preparation meets opportunity”

Mace | August 3, 2026

From navigating regulation and trade policy to aligning advocacy with commercial strategy, Diageo’s Zara Harington's career in public affairs has been about understanding how political decisions translate into

The Advocate: Lucy Gilchrist, Director of Public Policy and Government Affairs, PepsiCo UKI – “Advocacy enables better policymaking”

Mace | August 2, 2026

PepsiCo UKI’s Lucy Gilchrist does some of her best policy thinking on the running machine. She tells The Mace why public affairs must turn intelligence into action, how

The Strategist: Sonia Khan, senior partner H/Advisors – “Those of us who’ve spent a good amount of time in government understand how government operates”

William Cash | July 28, 2026

As one of Westminster's most effective public affairs strategists, Sonia Khan tells Mace how she bridges the gap between high-stakes politics and global corporate strategy.

Leader in Public UK Affairs: Beatrice Barleon, Head of Policy & Public Affairs, EngineeringUK, ‘Achieving change is team work, always’

Mace | July 28, 2026

With a career spanning sustainability, property and now EngineeringUK, Beatrice discusses her drive to work in policy areas that align with her principles.