Business Development Manager
Employer: Rethink Mental Illness
Location: Virtual role
Working hours: Full time
Salary: 40,000 GBP
Closing date: Wednesday, 8 April 2026 at 00:59
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At Rethink Mental Illness, we believe everyone should be able to live a fulfilling life, regardless of how severely mental illness affects them. Our services are growing — and so is our ambition. That’s why we’re looking for a passionate and skilled Business Development Manager to help us shape the future of our charity and the support we provide.
About the role
As our Business Development Manager, you’ll play a key role in sustaining and expanding the services that make a real difference to people severely affected by mental illness. You’ll bring teams together, write with clarity and purpose, and lead the end‑to‑end bid development process — ensuring we continue to deliver high‑quality, impactful support where it’s needed most.
You’ll champion collaboration, draw on the expertise of colleagues across the charity, and craft compelling, evidence‑based proposals that reflect who we are and what we stand for. From early development to final submission, you’ll help us win and retain contracts that directly improve lives.
What you’ll be doing
Leading the end‑to‑end development of bids, retenders, and proposals in line with internal quality standards.
Working collaboratively with teams across Rethink Mental Illness, building strong relationships and creating connected ways of working.
Supporting and managing Bid Development Officers.
Contributing to regional business development plans and helping shape sustainable, innovative service models.
Writing high‑quality, insightful submissions that articulate our strengths, capabilities, and lived‑experience approach.
Developing early-stage budget models and working with Finance and HR to finalise financials ahead of submission.
Generating insight through data, evidence, and internal expertise to create winning proposals.
Researching competitors and identifying what makes Rethink Mental Illness stand out.
Supporting successful bids through structured handovers and mobilisation.
Contributing to continuous improvement through feedback, learning, and maintaining our Bid Library.
What you’ll bring
Essential
A strong track record of writing successful competitive bids or proposals.
Excellent writing, critical thinking, and communication skills.
The ability to interpret complex tender documents and understand commissioner expectations.
Strong relationship-building skills and the ability to unite diverse teams.
Knowledge of commissioning, current legislation, and best practice in mental health and social care.
Experience constructing budgets and modelling service assumptions.
Strong organisational and project‑management abilities, with flexibility to meet deadlines.
Proficiency with Microsoft Office and excellent general IT skills.
A values‑driven approach consistent with Rethink Mental Illness’ ethos.
Desirable
Experience working within mental health, health, or social care sectors.
Lived or professional experience related to mental health and wellbeing.
Why Rethink Mental Illness?
When you join us, you’re not just taking on a role — you’re becoming part of a movement.
A movement committed to improving the lives of people severely affected by mental illness through high‑quality services, innovation, and compassionate support.You’ll be part of a collaborative, supportive team where your growth and wellbeing matter, and where your work has a clear, direct impact.
Why Work With Rethink Mental Illness?
At Rethink Mental Illness, we believe that when you feel supported, you can make the biggest difference. That’s why we offer a range of benefits to help you thrive:
Inclusive Culture: Join staff networks that champion diversity and inclusion.
Wellbeing Support: Access our Wellbeing Hub, Employee Assistance Programme, and the Unmind mental health app.
Recognition & Rewards: Enjoy discounts, cashback offers, and celebrate achievements through our PULSE platform.
Flexible Working & Generous Leave: Starting at 25 days annual leave (plus bank holidays and your birthday off), with options to buy or sell extra days.
Learning & Development: Grow your career with structured onboarding and training opportunities.
Financial & Family Support: Contributory pension scheme, enhanced family leave, and travel benefits like season ticket loans and cycle-to-work schemes.
Referral Bonus: Earn up to £300 for introducing someone to our team.
Diversity, Equity, Inclusion
Diversity is important to us, and we appreciate difference through difference, inclusiveness and belonging. It gives us a deeper understanding of the world, our society and the diverse communities we’re working with. By including everyone, we are able to draw on the unique experiences and expertise of our people to help shape and enrich our workplace and improve our services. One way we are doing is through our valued staff networks which play a critical and highly valued role in keeping us focused on creating a diverse, inclusive and engaged employer. We recognise and support staff networks and support groups for our ethnically diverse and LGBTQIA+ colleagues. We are also proud to have been awarded Disability Confident Employer status and are a signatory to the Business in the Community Race at Work Charter.
We aim for our workforce to reflect the diversity of the communities we serve; for those who work for us to feel heard, valued and feel they belong; and for our work to help tackle wider mental health inequalities. We therefore actively encourage and welcome applications from everyone, including applicants with lived experience of mental illness, those who are Lesbian, Gay, Bisexual, Transgender, Queer or Questioning, Intersex, Asexual and any other gender identity not expressed here (LGBTQIA+); people who are neurodiverse, have a health condition, or a disability or hidden disability and people from an ethnically diverse background - regardless of your age, religious or spiritual belief, sexual orientation, marital status, veteran status, pregnancy, political view or socio-economic status.
Becoming a truly anti-racist organisation
We have an ambition of become a truly anti-racist employer, campaigning organisation and service provider - and in our efforts to influence policy and wider societal factors impacting on mental health set out in our anti-racist statement . We have designed a multi-year anti-racist programme of work contained in our Race Equality Action Plan which demonstrates our intention to hold ourselves accountable and be judged on our progress on becoming a truly anti-racist organisation.
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