New clients often worry that I can't do copywriting for them if I've not worked in their sector before.

In fact, the opposite is probably true: you're likely to get a fresher, more differentiated approach to copywriting. But if it helps, here are some of my sector specialisms:

Further & higher education

I've done a huge amount of copywriting for colleges and universities, and even contributed to a Heist award win:

Prospectuses & mini-prospectuses
Student recruitment campaigns
Annual reports
Strategic plans
Fundraising letters
Websites
Postgrad campaigns
DVD/video scripts
Internal copywriter training
Case studies
Fees leaflets
Email campaigns
Sub-brand messaging
Advertorial
UCAS fair banners & collateral
White papers.

Retail

Retail has been a big part of my copywriting career to date (largely fashion and superstore brands):

Point-of-sale (POS) collateral
Signage
Account-card collateral
Windows
Look-books
Catalogues
Press releases
Editorial
Promotional campaigns
Websites
Email campaigns.

Professional services

I've done copywriting for barristers' chambers, financial services brands, insurance companies, banks, accountants, management consultants, business-process outsourcing companies, executive search and selection firms, and more.

Industrial & manufacturing

I've done copywriting for multinational engineering contractors, wind-farm engineering consultants, vacuum-pump and compressor manufacturers, software developers, generator-hire businesses, construction firms, and lots and lots and lots of kitchen manufacturers.